优化调整、BT下载（有bug）

package.json

@@ -1,7 +1,7 @@
 {
   "name": "thing",
   "private": true,
-  "version": "26.8.2",
+  "version": "26.8.3",
   "type": "module",
   "scripts": {
     "dev": "vite",

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "thing"
-version = "26.8.2"
+version = "26.8.3"
 description = "A Tauri App"
 authors = ["you"]
 edition = "2021"
@@ -45,6 +45,8 @@ base64 = "0.22"
 image = { version = "0.25", default-features = false, features = ["png"] }
 walkdir = "2"
 notify = { version = "6", features = [] }
+librqbit = "9"
+bytes = "1"
 
 [target.'cfg(windows)'.dependencies]
 winreg = "0.52"
@@ -67,7 +69,7 @@ windows-sys = { version = "0.52", features = [
     "Win32_Storage_Xps",
     "Win32_Storage_FileSystem",
 ] }
-# Explorer 蜑榊床逶ｮ蠖墓｣€豬具ｼ・ShellWindows COM・会ｼ壻ｻ・ｼ募・逕ｨ蛻ｰ逧・feature・梧而蛻ｶ郛冶ｯ台ｽ鍋ｧｯ
+# Explorer 陷第ｦ雁ｺ企€ｶ・ｮ陟門｢難ｽ｣ﾂ€雎ｬ蜈ｷ・ｼ繝ｻShellWindows COM繝ｻ莨夲ｽｼ螢ｻ・ｻ繝ｻ・ｼ蜍溘・騾包ｽｨ陋ｻ・ｰ騾ｧ繝ｻfeature繝ｻ譴ｧ閠瑚崕・ｶ驛帛・・ｯ蜿ｰ・ｽ骰具ｽｧ・ｯ
 windows = { version = "0.52", features = [
     "Win32_Foundation",
     "Win32_System_Com",
@@ -80,3 +82,15 @@ windows = { version = "0.52", features = [
 [target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]
 tauri-plugin-autostart = "2"
 
+# ===== 构建性能 =====
+# dev 增量编译加速：仅保留行号级调试信息（panic 仍显示 文件:行号），
+# 显著减少本 crate 的代码生成量与链接体积，加快 `tauri dev` 的 Rust 重编。
+[profile.dev]
+incremental = true
+debug = "line-tables-only"
+
+# release 构建瘦身：去符号 + LTO，减小安装包体积
+[profile.release]
+strip = true
+lto = true
+

src-tauri/capabilities/download-window.json

@@ -0,0 +1,26 @@
+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "download-window",
+  "description": "Capability for the per-download one-time window",
+  "windows": ["download-window-*"],
+  "permissions": [
+    "core:default",
+    "core:window:allow-hide",
+    "core:window:allow-show",
+    "core:window:allow-set-focus",
+    "core:window:allow-minimize",
+    "core:window:allow-unminimize",
+    "core:window:allow-set-title",
+    "core:window:allow-set-size",
+    "core:window:allow-start-dragging",
+    "core:window:allow-set-always-on-top",
+    "core:window:allow-set-skip-taskbar",
+    "core:window:allow-set-theme",
+    "core:window:allow-set-effects",
+    "core:window:allow-set-background-color",
+    "core:window:allow-close",
+    "core:event:allow-emit",
+    "core:event:allow-listen",
+    "snap-layout:default"
+  ]
+}

src-tauri/src/constants.rs

@@ -60,6 +60,6 @@ pub mod events {
     pub const DOWNLOAD_ADDED: &str = "download-added";
     /// 任务被删除（浏览器扩展通过 HTTP API 删除任务时发出，前端据此刷新任务列表）
     pub const DOWNLOAD_REMOVED: &str = "download-removed";
-    /// 浏览器扩展通过 HTTP API 新增下载（前端需置前主窗口并跳到下载画面）
+    /// 浏览器扩展通过 HTTP API 新增下载（负载 { id }，前端据以为该任务创建专属下载窗口）
     pub const DOWNLOAD_EXTENSION_ADDED: &str = "download-extension-added";
 }

src-tauri/src/download_engine/commands.rs

@@ -1,10 +1,11 @@
 use std::collections::HashMap;
 
-use tauri::{AppHandle, State};
+use tauri::{AppHandle, Manager, State};
 use tauri_plugin_opener::OpenerExt;
 
 use super::engine::{CheckUrlResult, DownloadEngine};
 use super::task::{DownloadTask, DownloaderSettings};
+use super::torrent::TorrentInfo;
 
 /// 获取所有任务
 #[tauri::command]
@@ -13,6 +14,20 @@ pub fn downloader_get_tasks(engine: State<'_, DownloadEngine>) -> Vec<DownloadTa
     engine.get_tasks()
 }
 
+/// 解析磁力链 / .torrent 文件，返回种子信息（名称 / infohash / 文件列表），供前端做文件勾选
+#[tauri::command]
+#[specta::specta]
+pub async fn downloader_inspect(engine: State<'_, DownloadEngine>, input: String) -> Result<TorrentInfo, String> {
+    engine.inspect(&input).await
+}
+
+/// 磁力任务：元数据解析成功后，用户勾选文件并确认开始下载
+#[tauri::command]
+#[specta::specta]
+pub async fn downloader_select_bt_files(engine: State<'_, DownloadEngine>, id: String, only_files: Vec<u32>) -> Result<(), String> {
+    engine.select_bt_files(&id, only_files).await
+}
+
 /// 检查 URL 重复性并探测文件信息（添加下载前调用）
 #[tauri::command]
 #[specta::specta]
@@ -57,8 +72,9 @@ pub async fn downloader_add_task(
     dir: Option<String>,
     headers: Option<HashMap<String, String>>,
     auto_rename: Option<bool>,
+    only_files: Option<Vec<u32>>,
 ) -> Result<String, String> {
-    engine.add_task(url, filename, dir, headers.unwrap_or_default(), auto_rename.unwrap_or(false)).await
+    engine.add_task(url, filename, dir, headers.unwrap_or_default(), auto_rename.unwrap_or(false), only_files).await
 }
 
 /// 暂停任务
@@ -75,6 +91,20 @@ pub fn downloader_resume_task(engine: State<'_, DownloadEngine>, id: String) ->
     engine.resume_task(&id)
 }
 
+/// 取消任务（置为已取消，清空进度并删除下载文件，但保留记录）
+#[tauri::command]
+#[specta::specta]
+pub fn downloader_cancel_task(engine: State<'_, DownloadEngine>, id: String) -> Result<(), String> {
+    engine.cancel_task(&id)
+}
+
+/// 重新下载已取消/出错的任务
+#[tauri::command]
+#[specta::specta]
+pub async fn downloader_redownload(engine: State<'_, DownloadEngine>, id: String) -> Result<(), String> {
+    engine.redownload(&id).await
+}
+
 /// 移除任务
 #[tauri::command]
 #[specta::specta]
@@ -141,3 +171,24 @@ pub fn downloader_open_url(app: AppHandle, url: String) -> Result<(), String> {
         .open_url(url, None::<&str>)
         .map_err(|e| format!("打开链接失败: {}", e))
 }
+
+/// 将指定 label 的下载窗口显示并强制置为前台。
+/// Tauri 的 set_focus 在 Windows 上受前台锁定限制（尤其下载窗口由后台进程创建、
+/// 或创建到非主显示器时更明显），改用原生 SetForegroundWindow + BringWindowToTop
+/// （模拟 Alt 键重置前台锁定），保证开始/完成下载时窗口能正确定位到前台。
+#[tauri::command]
+#[specta::specta]
+pub fn downloader_focus_window(app: AppHandle, label: String) -> Result<(), String> {
+    let Some(window) = app.get_webview_window(&label) else {
+        return Ok(()); // 窗口已关闭则忽略
+    };
+    window.show().map_err(|e| e.to_string())?;
+    window.unminimize().map_err(|e| e.to_string())?;
+    match window.hwnd() {
+        Ok(hwnd) => crate::win32_util::force_foreground(hwnd.0 as isize),
+        Err(_) => {
+            window.set_focus().ok();
+        }
+    }
+    Ok(())
+}

src-tauri/src/download_engine/http_dl.rs

@@ -53,14 +53,34 @@ impl HttpDownloader {
     }
 
     /// 探测下载资源信息（大小、是否支持 Range、文件名）
-    /// 优先用 GET + Range: bytes=0-0（返回 206 + Content-Range），回退到 HEAD
+    /// 优先用 GET + Range: bytes=0-0（返回 206 + Content-Range），回退到 HEAD。
+    /// 代理降级：use_proxy=true 时先走系统代理，失败则回退 no_proxy 直连重试一次
     pub async fn probe(
         &self,
         url: &str,
         headers: &HashMap<String, String>,
         use_proxy: bool,
     ) -> Result<ProbeResult, String> {
-        let client = self.client(use_proxy);
+        let first = self.client(use_proxy);
+        match self.probe_with_client(first, url, headers).await {
+            Ok(r) => return Ok(r),
+            Err(e) if use_proxy => {
+                let direct = self.client(false);
+                self.probe_with_client(direct, url, headers)
+                    .await
+                    .map_err(|e2| format!("代理探测失败（{}），直连重试也失败（{}）", e, e2))
+            }
+            Err(e) => Err(e),
+        }
+    }
+
+    /// 用指定 client 执行探测（GET Range → 回退 HEAD），供代理降级复用
+    async fn probe_with_client(
+        &self,
+        client: &Client,
+        url: &str,
+        headers: &HashMap<String, String>,
+    ) -> Result<ProbeResult, String> {
         // 先尝试 Range 请求（能同时判断 Accept-Ranges 和获取大小）
         let mut req = client
             .get(url)
@@ -165,7 +185,36 @@ impl HttpDownloader {
         limiter: Arc<RateLimiter>,
         use_proxy: bool,
     ) -> Result<(), String> {
-        let client = self.client(use_proxy);
+        // 代理降级：仅当 use_proxy=true 才有"走代理→失败回退直连"的意义。
+        // use_proxy=false 直接用直连客户端，无需回退。
+        // 注意：用户主动暂停/取消（返回"已取消"）必须原样透传，不能触发代理回退，
+        // 否则会把"已取消"包装成"代理失败"，导致引擎将其误判为错误而非暂停。
+        let first = self.client(use_proxy);
+        match self.download_with_client(first, url, headers, segments, file_path, cancel.clone(), progress, &limiter).await {
+            Ok(()) => return Ok(()),
+            Err(e) if use_proxy && e != "已取消" => {
+                // 回退直连重试（不继承 use_proxy，保证用 no_proxy 客户端）
+                let direct = self.client(false);
+                self.download_with_client(direct, url, headers, segments, file_path, cancel, progress, &limiter)
+                    .await
+                    .map_err(|e2| format!("代理下载失败（{}），直连重试也失败（{}）", e, e2))
+            }
+            Err(e) => Err(e),
+        }
+    }
+
+    /// 用指定 client 执行下载（支持单线程与多线程分段），供代理降级复用
+    async fn download_with_client(
+        &self,
+        client: &Client,
+        url: &str,
+        headers: &HashMap<String, String>,
+        segments: &[Segment],
+        file_path: &Path,
+        cancel: Arc<AtomicBool>,
+        progress: &[Arc<AtomicU64>],
+        limiter: &Arc<RateLimiter>,
+    ) -> Result<(), String> {
         let total_size = segments.iter().map(|s| s.len()).sum();
 
         // 预分配文件（若已知大小）
@@ -191,7 +240,7 @@ impl HttpDownloader {
             // 单线程下载（不支持 Range 或文件太小）
             let seg = &segments[0];
             let prog = &progress[0];
-            self.download_segment(url, headers, seg, file_path, cancel.clone(), prog.clone(), limiter, client)
+            self.download_segment(url, headers, seg, file_path, cancel.clone(), prog.clone(), limiter.clone(), client)
                 .await?;
             return Ok(());
         }

src-tauri/src/download_engine/mod.rs

@@ -5,10 +5,11 @@ pub mod rate_limit;
 pub mod server;
 pub mod storage;
 pub mod task;
+pub mod torrent;
 
 pub use commands::{
-    downloader_add_task, downloader_check_url, downloader_get_extension_info, downloader_get_settings, downloader_get_tasks,
+    downloader_add_task, downloader_cancel_task, downloader_check_url, downloader_focus_window, downloader_get_extension_info, downloader_get_settings, downloader_get_tasks, downloader_inspect, downloader_select_bt_files,
-    downloader_open_dir, downloader_open_url, downloader_pause_task, downloader_remove_task,
+    downloader_open_dir, downloader_open_url, downloader_pause_task, downloader_redownload, downloader_remove_task,
     downloader_resume_task, downloader_save_settings, downloader_status,
 };
 pub use engine::DownloadEngine;

src-tauri/src/download_engine/server.rs

@@ -122,13 +122,14 @@ async fn create_download(
         return Ok(Json(CreateDownloadResponse { id: existing.id }));
     }
 
-    match state.engine.add_task(req.url, req.filename, req.dir, req.headers, true).await {
+    match state.engine.add_task(req.url, req.filename, req.dir, req.headers, true, None).await {
         Ok(id) => {
-            // 浏览器扩展发起下载：置前主窗口并通知前端跳到下载画面（替代原桌面通知）
+            // 浏览器扩展发起下载：不再置前主窗口，改为带 task id 通知前端，
-            crate::tray_menu::focus_main_window(&state.app_handle);
+            // 由前端为该任务创建一个专属的一次性下载窗口（不打断主界面）
-            let _ = state
+            let _ = state.app_handle.emit(
-                .app_handle
+                crate::constants::events::DOWNLOAD_EXTENSION_ADDED,
-                .emit(crate::constants::events::DOWNLOAD_EXTENSION_ADDED, ());
+                serde_json::json!({ "id": id }),
+            );
             Ok(Json(CreateDownloadResponse { id }))
         }
         Err(e) => Err((StatusCode::BAD_REQUEST, Json(ErrorResponse { error: e }))),

src-tauri/src/download_engine/task.rs

@@ -2,6 +2,17 @@ use serde::{Deserialize, Serialize};
 use specta::Type;
 use std::collections::HashMap;
 
+/// 任务下载协议类型
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Type, Default)]
+#[serde(rename_all = "lowercase")]
+pub enum TaskProtocol {
+    /// HTTP/HTTPS 直链
+    #[default]
+    Http,
+    /// BitTorrent（磁力链 / .torrent 文件）
+    BitTorrent,
+}
+
 /// 任务状态
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Type)]
 #[serde(rename_all = "lowercase")]
@@ -16,6 +27,8 @@ pub enum TaskStatus {
     Complete,
     /// 错误
     Error,
+    /// 已取消（用户取消：进度与文件已清除，仅保留记录，只能再次下载）
+    Cancelled,
 }
 
 /// 下载分段（多线程 Range 下载 / 断点续传用）
@@ -52,18 +65,42 @@ impl Segment {
     }
 }
 
+/// BT 种子内文件条目（多文件任务用；阶段1下载全部文件，但保留列表供 UI 展示）
+#[derive(Debug, Clone, Serialize, Deserialize, Type)]
+#[serde(rename_all = "camelCase")]
+pub struct BtFileInfo {
+    /// 文件在种子内的索引
+    pub index: u32,
+    /// 相对种子根目录的路径（如 "sub/file.mkv"）
+    pub path: String,
+    /// 文件大小（字节）
+    pub size: u64,
+}
+
 /// 下载任务
 #[derive(Debug, Clone, Serialize, Deserialize, Type)]
 #[serde(rename_all = "camelCase")]
 pub struct DownloadTask {
     /// 任务 ID（自增 hex 字符串）
     pub id: String,
-    /// 下载地址
+    /// 下载地址（HTTP URL 或磁力链接）
     pub url: String,
-    /// 文件名
+    /// 文件名（HTTP：目标文件名；BT：种子名称）
     pub filename: String,
     /// 保存目录（绝对路径）
     pub dir: String,
+    /// 协议类型
+    #[serde(default)]
+    pub protocol: TaskProtocol,
+    /// BT 种子 infohash（协议=BitTorrent 时存在）
+    #[serde(default)]
+    pub info_hash: Option<String>,
+    /// BT 种子内文件列表（协议=BitTorrent 时存在）
+    #[serde(default)]
+    pub bt_files: Vec<BtFileInfo>,
+    /// BT 元数据是否已解析就绪（异步添加时：后台解析完成前为 false，调度器跳过）
+    #[serde(default)]
+    pub bt_metadata_ready: bool,
     /// 状态
     pub status: TaskStatus,
     /// 文件总大小（字节），0=未知
@@ -141,6 +178,18 @@ pub struct DownloaderSettings {
     /// 下载是否使用代理：true=尊重系统代理（mihomo 开启系统代理时经其转发），false=强制直连
     #[serde(default = "default_true")]
     pub use_proxy: bool,
+    /// BitTorrent 上传限速 KB/s（0=不限）
+    #[serde(default)]
+    pub bt_upload_limit_kb: u64,
+    /// BitTorrent 下载完成后是否继续做种上传（false=下载完即停止上传）
+    #[serde(default)]
+    pub bt_seed_after_download: bool,
+    /// BitTorrent 监听端口（0=自动选择）
+    #[serde(default)]
+    pub bt_listen_port: u16,
+    /// BitTorrent 使用代理下载：开启后自动使用代理模块（mihomo）的 SOCKS5 端口；代理不可用时降级直连
+    #[serde(default)]
+    pub bt_use_proxy: bool,
 }
 
 fn default_max_concurrent() -> u32 {
@@ -180,6 +229,10 @@ impl Default for DownloaderSettings {
             delete_files_on_remove: false,
             check_duplicate: true,
             use_proxy: true,
+            bt_upload_limit_kb: 0,
+            bt_seed_after_download: false,
+            bt_listen_port: 0,
+            bt_use_proxy: false,
         }
     }
 }

src-tauri/src/download_engine/torrent.rs

@@ -0,0 +1,469 @@
+use std::path::{Path, PathBuf};
+use std::sync::{Arc, Mutex, RwLock};
+
+// 会话字段专用 tokio 异步互斥（与 std 互斥区分开）：
+// 创建 Session 是 async 操作，必须持锁跨 await，否则"双重检查"在 await 期间失效，
+// 并发首次添加 BT 任务可能各建一个全局会话，产生孤儿会话与跨会话无效句柄。
+use tokio::sync::Mutex as AsyncMutex;
+
+use librqbit::api::TorrentIdOrHash;
+use librqbit::{AddTorrent, AddTorrentOptions, AddTorrentResponse, ManagedTorrent, Session};
+
+use super::task::BtFileInfo;
+
+/// 磁力元数据解析超时（秒）：依赖 DHT/tracker 拉取，过短易误报，过长体验差
+pub(crate) const INSPECT_TIMEOUT_SECS: u64 = 60;
+
+/// 每日 tracker 同步源（XIU2/TrackersListCollection，官方新域名 cf.trackerslist.com）。
+/// 注意：GitHub 仓库 raw 路径（raw.githubusercontent.com/...trackers_best.txt）已随项目
+/// 迁移失效（404），不要再用 GitHub 代理镜像。以下为官方 Cloudflare 分发地址，
+/// 国内直连通常可达，按顺序尝试、首个成功即用。
+const TRACKER_SYNC_SOURCES: &[&str] = &[
+    "https://cf.trackerslist.com/best.txt",
+    "https://trackerslist.com/best.txt",
+    "https://cf.trackerslist.com/all.txt",
+];
+/// 动态 tracker 持久化文件与同步元数据
+const TRACKERS_FILE: &str = "bt_trackers.txt";
+const TRACKERS_META_FILE: &str = "bt_trackers_meta.json";
+
+/// 常用公共 tracker：磁力链接本身可能只带很少 tracker，追加这些可提升解析成功率。
+/// 混合 UDP/HTTP(S)/WebSocket，覆盖 UDP 被屏蔽但 HTTP 可用的网络环境。
+pub const PUBLIC_TRACKERS: &[&str] = &[
+    // UDP
+    "udp://tracker.opentrackr.org:1337/announce",
+    "udp://open.tracker.cl:1337/announce",
+    "udp://tracker.openbittorrent.com:6969/announce",
+    "udp://tracker.torrent.eu.org:451/announce",
+    "udp://open.stealth.si:80/announce",
+    "udp://exodus.desync.com:6969/announce",
+    "udp://tracker.tiny-vps.com:6969/announce",
+    "udp://open.demonii.com:1337/announce",
+    "udp://tracker.moeking.me:6969/announce",
+    "udp://ipv4.tracker.harry.lu:80/announce",
+    "udp://explodie.org:6969/announce",
+    "udp://tracker.birkenfeld.ru:7496/announce",
+    "udp://tracker.pomf.se:80/announce",
+    "udp://tracker.tamersunion.org:6969/announce",
+    "udp://retracker.lanta-net.ru:2710/announce",
+    // HTTP(S)
+    "http://tracker.opentrackr.org:1337/announce",
+    "http://tracker.openbittorrent.com:80/announce",
+    "http://tracker1.itzmx.com:8080/announce",
+    "http://tracker4.itzmx.com:2710/announce",
+    "https://tracker.gbitt.info:443/announce",
+    "https://tracker.nanoha.org:443/announce",
+    "http://tracker.bt4g.com:2095/announce",
+    "http://tracker.gbitt.info:80/announce",
+];
+
+/// 种子信息（inspect 解析结果，供命令返回给前端做文件勾选）
+#[derive(Debug, Clone, serde::Serialize, specta::Type)]
+#[serde(rename_all = "camelCase")]
+pub struct TorrentInfo {
+    /// 种子名称
+    pub name: String,
+    /// infohash（hex 小写字符串）
+    pub info_hash: String,
+    /// 种子内全部文件总大小（字节）
+    pub total_size: u64,
+    /// 种子内文件列表
+    pub files: Vec<BtFileInfo>,
+}
+
+/// BitTorrent 下载器：封装 librqbit 全局会话（多任务共享 DHT / 监听端口 / tracker 缓存）。
+/// 会话懒创建：只有真正添加 BT 任务时才初始化，避免引擎启动即拉起 BT 内核。
+#[derive(Clone)]
+pub struct TorrentDownloader {
+    /// 全局会话（懒创建；tokio 异步互斥保证并发首次添加只创建一个会话）
+    session: Arc<AsyncMutex<Option<Arc<Session>>>>,
+    /// 会话默认输出目录（每个任务用 AddTorrentOptions.output_folder 覆盖）
+    base_dir: PathBuf,
+    /// 上传限速 bytes/s（0=不限），per-torrent 应用
+    upload_limit_bps: Arc<std::sync::atomic::AtomicU64>,
+    /// 监听端口（0=自动）
+    listen_port: Arc<std::sync::atomic::AtomicU16>,
+    /// SOCKS5 代理地址（None=直连；来自代理模块，不可用时降级直连）
+    proxy_addr: Arc<Mutex<Option<String>>>,
+    /// 动态公共 tracker（每日从外部列表同步，叠加到内置列表）
+    dynamic_trackers: Arc<RwLock<Vec<String>>>,
+}
+
+impl TorrentDownloader {
+    pub fn new(base_dir: PathBuf) -> Self {
+        Self {
+            session: Arc::new(AsyncMutex::new(None)),
+            base_dir,
+            upload_limit_bps: Arc::new(std::sync::atomic::AtomicU64::new(0)),
+            listen_port: Arc::new(std::sync::atomic::AtomicU16::new(0)),
+            proxy_addr: Arc::new(Mutex::new(None)),
+            dynamic_trackers: Arc::new(RwLock::new(Vec::new())),
+        }
+    }
+
+    /// 更新 BT 专属设置（上传限速 KB/s、监听端口、SOCKS5 代理地址）— 会话创建时生效
+    pub fn set_settings(&self, upload_limit_kb: u64, listen_port: u16, proxy_addr: Option<String>) {
+        self.upload_limit_bps
+            .store(upload_limit_kb.saturating_mul(1024), std::sync::atomic::Ordering::SeqCst);
+        self.listen_port
+            .store(listen_port, std::sync::atomic::Ordering::SeqCst);
+        *self.proxy_addr.lock().unwrap_or_else(|e| e.into_inner()) = proxy_addr;
+    }
+
+    /// 设置动态 tracker（合并去重）
+    pub fn add_dynamic_trackers(&self, list: Vec<String>) {
+        if list.is_empty() {
+            return;
+        }
+        let mut g = self.dynamic_trackers.write().unwrap_or_else(|e| e.into_inner());
+        for t in list {
+            let t = t.trim().to_string();
+            if !t.is_empty() && !g.contains(&t) {
+                g.push(t);
+            }
+        }
+    }
+
+    /// 当前动态 tracker 数量
+    pub fn dynamic_count(&self) -> usize {
+        self.dynamic_trackers.read().unwrap_or_else(|e| e.into_inner()).len()
+    }
+
+    /// 合并内置 + 动态 tracker（去重），供 inspect / add_async 共用
+    fn build_trackers(&self) -> Vec<String> {
+        let dyn_trackers = self.dynamic_trackers.read().unwrap_or_else(|e| e.into_inner()).clone();
+        let mut trackers: Vec<String> = PUBLIC_TRACKERS.iter().map(|s| s.to_string()).collect();
+        for t in dyn_trackers {
+            if !trackers.contains(&t) {
+                trackers.push(t);
+            }
+        }
+        trackers
+    }
+
+    /// 每日同步动态 tracker：读取本地缓存 → 判断今天是否已同步 → 未同步则拉取更新。
+    /// 失败静默降级：保留上次成功的列表。
+    pub async fn sync_dynamic_trackers(&self, data_dir: &Path) {
+        fn parse_list(text: &str) -> Vec<String> {
+            text.lines()
+                .map(|l| l.trim())
+                .filter(|l| l.starts_with("http://") || l.starts_with("https://") || l.starts_with("udp://") || l.starts_with("ws://") || l.starts_with("wss://"))
+                .map(|l| l.to_string())
+                .collect()
+        }
+        let trackers_path = data_dir.join(TRACKERS_FILE);
+        let meta_path = data_dir.join(TRACKERS_META_FILE);
+        let today = chrono::Local::now().format("%Y-%m-%d").to_string();
+
+        // 1. 先加载上次成功保存的列表到内存（覆盖"重启后内存被清空"）
+        if let Ok(s) = std::fs::read_to_string(&trackers_path) {
+            self.add_dynamic_trackers(parse_list(&s));
+        }
+
+        // 2. 今天已同步过则不再下载
+        if let Ok(meta) = std::fs::read_to_string(&meta_path) {
+            if let Ok(v) = serde_json::from_str::<serde_json::Value>(&meta) {
+                if v.get("date").and_then(|d| d.as_str()) == Some(&today) {
+                    return;
+                }
+            }
+        }
+
+        // 3. 依次尝试各镜像源（记录每个源的失败原因，便于判断是 DNS 还是连接超时）
+        let client = reqwest::Client::builder()
+            .timeout(std::time::Duration::from_secs(10))
+            .build()
+            .ok();
+        for url in TRACKER_SYNC_SOURCES {
+            let Some(c) = &client else { break };
+            match c.get(*url).send().await {
+                Err(e) => {
+                    crate::logger::log_line("download", crate::logger::LogLevel::Debug, &format!("动态 tracker 源不可达 {}: {}", url, e));
+                    continue;
+                }
+                Ok(resp) => {
+                    let text = match resp.text().await {
+                        Ok(t) => t,
+                        Err(e) => {
+                            crate::logger::log_line("download", crate::logger::LogLevel::Debug, &format!("动态 tracker 源读取失败 {}: {}", url, e));
+                            continue;
+                        }
+                    };
+                    let list = parse_list(&text);
+                    if list.is_empty() {
+                        crate::logger::log_line("download", crate::logger::LogLevel::Debug, &format!("动态 tracker 源返回空列表 {}", url));
+                        continue;
+                    }
+                    // 保存列表与同步元数据
+                    let _ = std::fs::write(&trackers_path, format!("{}\n", list.join("\n")));
+                    let _ = std::fs::write(&meta_path, serde_json::json!({ "date": today }).to_string());
+                    self.add_dynamic_trackers(list);
+                    crate::logger::log_info("download", &format!("已同步动态 tracker（共 {} 条）", self.dynamic_count()));
+                    return;
+                }
+            }
+        }
+        crate::logger::log_warn("download", "动态 tracker 全部同步源不可达，使用上次成功列表或内置列表（不影响磁力解析，公共 tracker 仍会生效）");
+    }
+
+    /// 会话级公共 tracker（HashSet<Url>，供 SessionOptions.trackers 使用）。
+    /// 注意：librqbit 对磁力链接只采用 magnet URL 自带的 tr= 参数，完全忽略
+    /// AddTorrentOptions.trackers（见 librqbit session.rs 的 magnet 分支），导致
+    /// 纯磁力（无自带 tr）解析元数据时 "trackers list is empty"。而会话级
+    /// SessionOptions.trackers 会在 make_peer_rx 中合并进每个种子（含磁力），
+    /// 因此必须放到这里才能让磁力链接真正带上公共 tracker。
+    fn session_trackers(&self) -> std::collections::HashSet<url::Url> {
+        self.build_trackers()
+            .into_iter()
+            .filter_map(|t| url::Url::parse(&t).ok())
+            .collect()
+    }
+
+    /// 获取或创建全局会话。
+    /// 持 tokio 互斥锁覆盖整个构造过程：并发调用在此串行化，
+    /// 先进入者创建并写入，后续者锁内二次检查直接复用（避免多会话竞态）。
+    /// 开启代理时先尝试用代理初始化；失败则降级为直连（记录下来供 add 重试判断）。
+    async fn get_session(&self) -> Result<Arc<Session>, String> {
+        let mut guard = self.session.lock().await;
+        if let Some(s) = guard.as_ref() {
+            return Ok(s.clone());
+        }
+        let _ = std::fs::create_dir_all(&self.base_dir);
+        let port = self.listen_port.load(std::sync::atomic::Ordering::SeqCst);
+        let proxy = self.proxy_addr.lock().unwrap_or_else(|e| e.into_inner()).clone();
+        let connect_opt = proxy.as_ref().map(|p| librqbit::ConnectionOptions { proxy_url: Some(p.clone()), ..Default::default() });
+        let had_proxy = connect_opt.is_some();
+
+        // 构造带代理（若启用）+ 监听端口 + 会话级公共 tracker 的会话选项
+        let mut opts = lib_session_options();
+        opts.trackers = self.session_trackers();
+        if connect_opt.is_some() {
+            opts.connect = connect_opt;
+        }
+        if port > 0 {
+            if let Ok(addr) = format!("0.0.0.0:{}", port).parse::<std::net::SocketAddr>() {
+                opts.listen = Some(librqbit::ListenerOptions {
+                    listen_addr: addr,
+                    ..Default::default()
+                });
+            } else {
+                crate::logger::log_error("download", &format!("BT 监听端口 {} 无效，使用自动端口", port));
+            }
+        }
+        // 尝试创建会话：先按配置（可能带代理），失败且有代理则降级直连重试
+        let s = match Session::new_with_opts(self.base_dir.clone(), opts).await {
+            Ok(s) => s,
+            Err(e) => {
+                if had_proxy {
+                    crate::logger::log_error("download", &format!("BT 代理会话初始化失败（{}），降级为直连", e));
+                    let mut m = lib_session_options();
+                    m.trackers = self.session_trackers();
+                    if port > 0 {
+                        if let Ok(addr) = format!("0.0.0.0:{}", port).parse::<std::net::SocketAddr>() {
+                            m.listen = Some(librqbit::ListenerOptions { listen_addr: addr, ..Default::default() });
+                        }
+                    }
+                    Session::new_with_opts(self.base_dir.clone(), m).await.map_err(|e2| format!("初始化 BitTorrent 会话失败: {}", e2))?
+                } else {
+                    return Err(format!("初始化 BitTorrent 会话失败: {}", e));
+                }
+            }
+        };
+        *guard = Some(s.clone());
+        Ok(s)
+    }
+
+    /// 解析磁力链 / 本地 .torrent 文件，返回种子信息（不开始下载）。
+    /// list_only 模式：仅获取元数据，不加入会话，因此不影响后续真正添加。
+    /// 磁力元数据依赖 DHT/tracker 拉取，无超时会永久等待，故加超时。
+    pub async fn inspect(&self, input: &str) -> Result<TorrentInfo, String> {
+        let session = self.get_session().await?;
+        let trackers = self.build_trackers();
+        // 磁力：需从网络拉取元数据，可能较慢（取决于种子热度与网络连通性）；
+        // 本地 .torrent / http(s) .torrent URL：元数据在文件内，from_cli_argument 会读取/下载并解析
+        let add = AddTorrent::from_cli_argument(input).map_err(|e| format!("无效的种子输入: {}", e))?;
+        let add_fut = session.add_torrent(
+            add,
+            Some(AddTorrentOptions {
+                list_only: true,
+                trackers: Some(trackers),
+                ..Default::default()
+            }),
+        );
+        let resp = tokio::time::timeout(std::time::Duration::from_secs(INSPECT_TIMEOUT_SECS), add_fut)
+            .await
+            .map_err(|_| "解析磁力元数据超时：未能从 DHT/Tracker 获取种子信息，请确认种子有做种源或网络可直连 BT".to_string())?
+            .map_err(|e| format!("解析种子失败: {}", e))?;
+
+        let AddTorrentResponse::ListOnly(lo) = resp else {
+            return Err("该链接未返回有效的种子元数据".to_string());
+        };
+
+        let info = lo.info.info();
+        let name = info
+            .name
+            .as_ref()
+            .map(|b| String::from_utf8_lossy(b.as_ref()).into_owned())
+            .or_else(|| lo.info.name().map(|c| c.to_string()))
+            .unwrap_or_else(|| "未命名种子".to_string());
+
+        let mut files = Vec::new();
+        let mut total_size = 0u64;
+        if let Some(fs) = &info.files {
+            for (i, f) in fs.iter().enumerate() {
+                let path = f
+                    .path
+                    .iter()
+                    .map(|p| String::from_utf8_lossy(p.as_ref()).into_owned())
+                    .collect::<Vec<_>>()
+                    .join("/");
+                files.push(BtFileInfo {
+                    index: i as u32,
+                    path,
+                    size: f.length,
+                });
+                total_size += f.length;
+            }
+        } else if let Some(len) = info.length {
+            // 单文件种子
+            files.push(BtFileInfo {
+                index: 0,
+                path: name.clone(),
+                size: len,
+            });
+            total_size = len;
+        }
+
+        Ok(TorrentInfo {
+            name,
+            info_hash: hex_encode(&lo.info_hash.0),
+            total_size,
+            files,
+        })
+    }
+
+    /// 异步添加种子：立即返回句柄（不等待元数据），由调用方后台解析。
+    /// 附加公共 tracker 提升磁力元数据解析成功率；上传限速 per-torrent 应用。
+    pub async fn add_async(
+        &self,
+        input: &str,
+        output_dir: &str,
+    ) -> Result<(usize, Arc<ManagedTorrent>), String> {
+        let session = self.get_session().await?;
+        std::fs::create_dir_all(output_dir).map_err(|e| format!("创建下载目录失败: {}", e))?;
+        let up = self.upload_limit_bps.load(std::sync::atomic::Ordering::SeqCst);
+        let upload_bps = std::num::NonZeroU32::new(up.min(u32::MAX as u64) as u32);
+        let trackers = self.build_trackers();
+        let opts = AddTorrentOptions {
+            paused: true,
+            output_folder: Some(output_dir.to_string()),
+            overwrite: true,
+            trackers: Some(trackers),
+            ratelimits: librqbit::limits::LimitsConfig {
+                upload_bps,
+                download_bps: None,
+            },
+            ..Default::default()
+        };
+        let add = AddTorrent::from_cli_argument(input).map_err(|e| format!("无效的种子输入: {}", e))?;
+        let resp = session
+            .add_torrent(add, Some(opts))
+            .await
+            .map_err(|e| format!("添加种子失败: {}", e))?;
+        match resp {
+            AddTorrentResponse::Added(id, handle) => Ok((id, handle)),
+            AddTorrentResponse::AlreadyManaged(id, handle) => Ok((id, handle)),
+            _ => Err("种子已存在或元数据无效".to_string()),
+        }
+    }
+
+    /// 等待种子元数据初始化就绪（磁力需要从网络拉取，带超时）
+    pub async fn wait_initialized(&self, handle: &Arc<ManagedTorrent>) -> Result<(), String> {
+        tokio::time::timeout(
+            std::time::Duration::from_secs(INSPECT_TIMEOUT_SECS),
+            handle.wait_until_initialized(),
+        )
+        .await
+        .map_err(|_| "解析磁力元数据超时：未能从 DHT/Tracker 获取种子信息，请确认种子有做种源或网络可直连 BT".to_string())?
+        .map_err(|e| format!("获取种子元数据失败: {}", e))
+    }
+
+    /// 设置要下载的种子文件子集（用户文件勾选；传全部索引则全选）
+    pub async fn set_only_files(&self, handle: &Arc<ManagedTorrent>, files: &[u32]) -> Result<(), String> {
+        let session = self.get_session().await?;
+        let set: std::collections::HashSet<usize> = files.iter().map(|&i| i as usize).collect();
+        session
+            .update_only_files(handle, &set)
+            .await
+            .map_err(|e| format!("设置下载文件失败: {}", e))
+    }
+
+    /// 读取句柄当前进度：返回 (已下载字节, 总字节, 每文件已下载字节)
+    /// `file_progress` 与种子文件一一对应，供前端详情页展示单文件进度。
+    pub fn progress_full(handle: &Arc<ManagedTorrent>) -> (u64, u64, Vec<u64>) {
+        let s = handle.stats();
+        (s.progress_bytes, s.total_bytes, s.file_progress.clone())
+    }
+
+    /// 暂停种子（下载中的连接会停止，已下载片段保留，可继续）
+    pub async fn pause(&self, handle: &Arc<ManagedTorrent>) -> Result<(), String> {
+        let session = self.get_session().await?;
+        session
+            .pause(handle)
+            .await
+            .map_err(|e| format!("暂停种子失败: {}", e))
+    }
+
+    /// 继续种子
+    pub async fn unpause(&self, handle: &Arc<ManagedTorrent>) -> Result<(), String> {
+        let session = self.get_session().await?;
+        session
+            .unpause(handle)
+            .await
+            .map_err(|e| format!("继续种子失败: {}", e))
+    }
+
+    /// 删除种子（info_hash 为 hex 字符串；delete_files 是否同时删除已下载文件）
+    pub async fn delete(&self, info_hash: &str, delete_files: bool) -> Result<(), String> {
+        let session = self.get_session().await?;
+        let id = TorrentIdOrHash::parse(info_hash)
+            .map_err(|_| format!("无效的 infohash: {}", info_hash))?;
+        session
+            .delete(id, delete_files)
+            .await
+            .map_err(|e| format!("删除种子失败: {}", e))
+    }
+
+    /// 读取句柄当前下载进度 (已下载字节, 总字节)
+    pub fn progress(handle: &Arc<ManagedTorrent>) -> (u64, u64) {
+        let s = handle.stats();
+        (s.progress_bytes, s.total_bytes)
+    }
+
+    /// 停止全局会话（应用退出时调用）
+    pub async fn stop(&self) {
+        let session = {
+            let mut guard = self.session.lock().await;
+            guard.take()
+        };
+        if let Some(s) = session {
+            let _ = s.stop().await;
+        }
+    }
+}
+
+/// 字节数组转小写十六进制字符串（librqbit 的 Id 未实现 Display）
+pub(crate) fn hex_encode(bytes: &[u8]) -> String {
+    const HEX: &[u8; 16] = b"0123456789abcdef";
+    let mut out = String::with_capacity(bytes.len() * 2);
+    for &b in bytes {
+        out.push(HEX[(b >> 4) as usize] as char);
+        out.push(HEX[(b & 0x0f) as usize] as char);
+    }
+    out
+}
+
+/// 默认会话选项（后续如需新增 DHT/缓存等可在此统一配置）
+fn lib_session_options() -> librqbit::SessionOptions {
+    librqbit::SessionOptions::default()
+}

src-tauri/src/lib.rs

@@ -20,8 +20,8 @@ mod win32_util;
 
 use download_engine::{
     DownloadEngine,
-    downloader_add_task, downloader_check_url, downloader_get_extension_info, downloader_get_settings, downloader_get_tasks,
+    downloader_add_task, downloader_cancel_task, downloader_check_url, downloader_focus_window, downloader_get_extension_info, downloader_get_settings, downloader_get_tasks, downloader_inspect, downloader_select_bt_files,
-    downloader_open_dir, downloader_open_url, downloader_pause_task, downloader_remove_task,
+    downloader_open_dir, downloader_open_url, downloader_pause_task, downloader_redownload, downloader_remove_task,
     downloader_resume_task, downloader_save_settings, downloader_status,
 };
 use logger::{
@@ -31,7 +31,7 @@ use mihomo_manager::{
     proxy_activate_profile, proxy_apply_kernel_update, proxy_cancel_kernel_install, proxy_check_kernel_update, proxy_clear_system_proxy,
     proxy_close_connection, proxy_confirm_install, proxy_delete_profile, proxy_get_connections, proxy_get_proxies, proxy_get_settings, proxy_get_system_proxy,
     proxy_import_profile, proxy_kernel_info, proxy_patch_configs, proxy_restart, proxy_save_settings,
-    proxy_select_proxy, proxy_set_system_proxy, proxy_start, proxy_status, proxy_stop,
+    proxy_select_proxy, proxy_set_system_proxy, proxy_start, proxy_status, proxy_stop, proxy_traffic,
     proxy_test_delay, proxy_update_profile, proxy_version, MihomoManager,
 };
 use monitor_kernel::{
@@ -116,7 +116,7 @@ fn export_bindings() {
             proxy_close_connection, proxy_confirm_install, proxy_delete_profile, proxy_get_settings,
             proxy_get_system_proxy, proxy_import_profile, proxy_kernel_info,
             proxy_restart, proxy_save_settings,
-            proxy_select_proxy, proxy_set_system_proxy, proxy_start, proxy_status, proxy_stop,
+            proxy_select_proxy, proxy_set_system_proxy, proxy_start, proxy_status, proxy_stop, proxy_traffic,
             proxy_test_delay, proxy_update_profile,
             // quickpanel（22）
             quickpanel_get_settings, quickpanel_save_settings, quickpanel_register_shortcut,
@@ -140,8 +140,8 @@ fn export_bindings() {
             clipboard_preview_interacted,
             // download_engine（10，豁免 2）
             downloader_get_tasks, downloader_check_url, downloader_add_task, downloader_pause_task,
-            downloader_resume_task, downloader_remove_task, downloader_get_settings,
+            downloader_resume_task, downloader_cancel_task, downloader_redownload, downloader_remove_task, downloader_get_settings,
-            downloader_save_settings, downloader_open_dir, downloader_open_url,
+            downloader_save_settings, downloader_open_dir, downloader_open_url, downloader_focus_window, downloader_inspect, downloader_select_bt_files,
             // screenshot（22，豁免 3：get_fullscreen_bmp / load_cache_raw 返回 ipc::Response、compose_copy 接收 ipc::Request）
             screenshot_disable_transitions, screenshot_show_overlay, screenshot_register_shortcut,
             screenshot_unregister_shortcut, screenshot_register_pin_shortcut,
@@ -200,6 +200,7 @@ pub fn run() {
             proxy_status,
             proxy_start,
             proxy_stop,
+            proxy_traffic,
             proxy_restart,
             proxy_version,
             proxy_get_proxies,
@@ -243,6 +244,8 @@ pub fn run() {
             downloader_check_url,
             downloader_pause_task,
             downloader_resume_task,
+            downloader_cancel_task,
+            downloader_redownload,
             downloader_remove_task,
             downloader_get_settings,
             downloader_save_settings,
@@ -250,6 +253,9 @@ pub fn run() {
             downloader_get_extension_info,
             downloader_open_dir,
             downloader_open_url,
+            downloader_focus_window,
+            downloader_inspect,
+            downloader_select_bt_files,
             clipboard_get_history,
             clipboard_get_pinned,
             clipboard_search,

src-tauri/src/mihomo_manager/commands.rs

@@ -4,7 +4,7 @@ use tauri::{AppHandle, State};
 
 use super::system_proxy::{clear_system_proxy_windows, get_system_proxy_windows, set_system_proxy_windows};
 use super::{
-    KernelInfo, KernelUpdateInfo, MihomoManager, ProfileMeta, ProxySettings, ProxyStatus,
+    KernelInfo, KernelUpdateInfo, MihomoManager, ProfileMeta, ProxySettings, ProxyStatus, TrafficSnapshot,
 };
 
 use crate::process_manager::{ProcessInfo, ProcessManager, ProcessStatus};
@@ -238,6 +238,14 @@ pub async fn proxy_get_connections(
     state.get_connections().await
 }
 
+#[tauri::command]
+#[specta::specta]
+pub async fn proxy_traffic(
+    state: State<'_, MihomoManager>,
+) -> Result<TrafficSnapshot, String> {
+    state.traffic_snapshot().await
+}
+
 #[tauri::command]
 #[specta::specta]
 pub async fn proxy_close_connection(

src-tauri/src/mihomo_manager/mod.rs

@@ -17,11 +17,11 @@ mod types;
 pub use autoswitch::{pick_best, start_auto_switch_loop};
 pub use pseudo::is_pseudo_node;
 pub use system_proxy::get_system_proxy_windows;
-pub use types::{InstallProgress, KernelInfo, KernelUpdateInfo, ProfileMeta, ProxySettings, ProxyStatus};
+pub use types::{InstallProgress, KernelInfo, KernelUpdateInfo, ProfileMeta, ProxySettings, ProxyStatus, TrafficSnapshot};
 pub use commands::{
     proxy_activate_profile, proxy_apply_kernel_update, proxy_cancel_kernel_install, proxy_check_kernel_update, proxy_clear_system_proxy,
     proxy_close_connection, proxy_confirm_install, proxy_delete_profile, proxy_get_connections, proxy_get_proxies,
-    proxy_get_settings, proxy_get_system_proxy, proxy_import_profile, proxy_kernel_info,
+    proxy_get_settings, proxy_get_system_proxy, proxy_import_profile, proxy_kernel_info, proxy_traffic,
     proxy_patch_configs, proxy_restart, proxy_save_settings, proxy_select_proxy, proxy_set_system_proxy,
     proxy_start, proxy_status, proxy_stop, proxy_test_delay, proxy_update_profile, proxy_version,
 };
@@ -45,10 +45,19 @@ struct SettingsCacheEntry {
     settings: ProxySettings,
 }
 
+/// 流量速率差分基线：记录上次采样的会话总量与时刻，用于计算实时速率
+struct TrafficBaseline {
+    download_total: u64,
+    upload_total: u64,
+    at: Instant,
+}
+
 pub struct MihomoManager {
     root: PathBuf,
     client: Client,
     settings_cache: Mutex<Option<SettingsCacheEntry>>,
+    /// 流量速率差分基线：记录上次采样总量与时刻，由两次 /connections 总量差异计算实时速率
+    traffic_baseline: Mutex<Option<TrafficBaseline>>,
     /// 内核安装/更新的取消标志（前端「停止下载」置位，下载循环轮询后中止）
     kernel_cancel: Arc<AtomicBool>,
     /// 取消唤醒通道：让停滞在流式读取（stream.next 最多等 30s）中的下载立即感知取消，
@@ -75,6 +84,7 @@ impl MihomoManager {
                 .build()
                 .unwrap_or_else(|_| Client::new()),
             settings_cache: Mutex::new(None),
+            traffic_baseline: Mutex::new(None),
             kernel_cancel: Arc::new(AtomicBool::new(false)),
             kernel_cancel_tx: tokio::sync::watch::channel(false).0,
             install_confirm: std::sync::Mutex::new(None),
@@ -308,16 +318,23 @@ impl MihomoManager {
     /// 手动启动与 App 自启共用，保证设置语义一致（mihomo 运行期间自动跟随系统代理）。
     pub fn apply_auto_system_proxy(&self) {
         let settings = self.load_settings();
-        if settings.auto_system_proxy && !settings.system_proxy && !system_proxy::get_system_proxy_windows() {
+        if !settings.auto_system_proxy {
-            let addr = format!("127.0.0.1:{}", settings.mixed_port);
+            return;
-            if let Err(e) = system_proxy::set_system_proxy_windows(&addr) {
-                crate::logger::log_warn("mihomo", &format!("自动开启系统代理失败: {}", e));
-                return;
-            }
-            let mut s = settings;
-            s.system_proxy = true;
-            let _ = self.save_settings(&s);
         }
+        // 以注册表实际状态为准判断是否已开启：settings.system_proxy 是会话内标志，
+        // 上次退出 cleanup_on_exit 只清注册表不会回写该标志，重启后会残留 true，
+        // 若用它做守卫会导致「启动时自动开启系统代理」永远被短路而不生效。
+        if system_proxy::get_system_proxy_windows() {
+            return;
+        }
+        let addr = format!("127.0.0.1:{}", settings.mixed_port);
+        if let Err(e) = system_proxy::set_system_proxy_windows(&addr) {
+            crate::logger::log_warn("mihomo", &format!("自动开启系统代理失败: {}", e));
+            return;
+        }
+        let mut s = settings;
+        s.system_proxy = true;
+        let _ = self.save_settings(&s);
     }
 
     /// 应用启动时检查是否需要自动启动 mihomo 和系统代理
@@ -450,6 +467,48 @@ impl MihomoManager {
         self.api_get("/connections").await
     }
 
+    /// 拉取 /connections 并计算实时流量快照。
+    /// 速率由两次采样的会话总量差分得出；mihomo 重启导致总量回退时自动重置基线。
+    pub async fn traffic_snapshot(&self) -> Result<TrafficSnapshot, String> {
+        let conns = self.get_connections().await?;
+        let upload_total = conns["uploadTotal"].as_u64().unwrap_or(0);
+        let download_total = conns["downloadTotal"].as_u64().unwrap_or(0);
+        let active_connections = conns["connections"].as_array().map(|a| a.len()).unwrap_or(0);
+
+        let (upload_speed, download_speed) = {
+            let base = self.traffic_baseline.lock().unwrap();
+            match base.as_ref() {
+                // 正常差分：总量单调递增才计算速率
+                Some(b) if upload_total >= b.upload_total && download_total >= b.download_total => {
+                    let dt = b.at.elapsed().as_secs_f64();
+                    if dt > 0.0 {
+                        let up = ((upload_total - b.upload_total) as f64 / dt).max(0.0) as u64;
+                        let down = ((download_total - b.download_total) as f64 / dt).max(0.0) as u64;
+                        (up, down)
+                    } else {
+                        (0, 0)
+                    }
+                }
+                // 无基线或总量回退（mihomo 重启）：本帧速率为 0，下方重置基线
+                _ => (0, 0),
+            }
+        };
+
+        *self.traffic_baseline.lock().unwrap() = Some(TrafficBaseline {
+            download_total,
+            upload_total,
+            at: Instant::now(),
+        });
+
+        Ok(TrafficSnapshot {
+            download_total,
+            upload_total,
+            download_speed,
+            upload_speed,
+            active_connections,
+        })
+    }
+
     pub async fn close_connection(&self, id: &str) -> Result<(), String> {
         self.api_request(
             reqwest::Method::DELETE,

src-tauri/src/mihomo_manager/types.rs

@@ -124,6 +124,22 @@ pub struct ProxyStatus {
     pub restart_count: u32,
 }
 
+/// 实时流量快照（由 /connections 的会话总量差分得出实时速率）
+#[derive(Serialize, Clone, Type)]
+#[serde(rename_all = "camelCase")]
+pub struct TrafficSnapshot {
+    /// 本次会话累计下载字节数
+    pub download_total: u64,
+    /// 本次会话累计上传字节数
+    pub upload_total: u64,
+    /// 实时下载速率（字节/秒）
+    pub download_speed: u64,
+    /// 实时上传速率（字节/秒）
+    pub upload_speed: u64,
+    /// 当前活跃连接数
+    pub active_connections: usize,
+}
+
 /// 内核安装进度事件载荷
 /// - stage: downloading | extracting | replacing | done | error
 /// - percent: 0-100（无 total_bytes 时为 0，前端按 downloadedBytes 显示）

src-tauri/src/osd_window.rs

@@ -60,7 +60,7 @@ mod win_api {
         GetClassNameW, GetCursorPos, GetForegroundWindow, GetWindowLongPtrW,
         GetWindowRect, SendMessageW, SetWindowLongPtrW, SetWindowPos,
         GWL_EXSTYLE, HTCAPTION, HWND_NOTOPMOST, HWND_TOPMOST, SWP_NOACTIVATE, SWP_NOMOVE,
-        SWP_NOSIZE, SWP_NOZORDER, SWP_SHOWWINDOW, WM_NCLBUTTONDOWN, WS_EX_NOACTIVATE,
+        SWP_NOSIZE, SWP_NOZORDER, WM_NCLBUTTONDOWN, WS_EX_NOACTIVATE,
         WS_EX_TOOLWINDOW, WS_EX_TRANSPARENT,
     };
 
@@ -165,6 +165,10 @@ mod win_api {
             } else {
                 HWND_NOTOPMOST
             };
+            // 注意：不传 SWP_SHOWWINDOW，仅调整 Z 序，绝不改变窗口可见性。
+            // 否则当 OSD 被 .hide() 隐藏后，任务栏覆盖监视线程在系统 UI 前景切换时
+            // （点击任务栏/托盘关闭主界面、打开托盘菜单）会重新显示已隐藏的 OSD，
+            // 表现为"托盘关闭 OSD 无效 / 关闭主界面后 OSD 又出现"。
             SetWindowPos(
                 hwnd,
                 insert_after,
@@ -172,7 +176,7 @@ mod win_api {
                 0,
                 0,
                 0,
-                SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_SHOWWINDOW,
+                SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE,
             );
         }
     }

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "thing",
-  "version": "26.8.2",
+  "version": "26.8.3",
   "identifier": "thing.lfeng.me",
   "build": {
     "beforeDevCommand": "bun run dev",

src/App.vue

@@ -14,8 +14,8 @@ import { useProcessStore } from '@/stores/processStore'
 import { TooltipProvider } from '@/components/ui/tooltip'
 import { moduleRegistry } from '@/modules/registry'
 import type { ModuleMeta } from '@/types/module'
-import { pendingNewDownload, pendingShowDownloadTasks } from '@/lib/trayEvents'
+import { pendingNewDownload } from '@/lib/trayEvents'
-import { EVENTS, STORAGE_KEYS } from '@/lib/constants'
+import { EVENTS, STORAGE_KEYS, WINDOWS } from '@/lib/constants'
 import { commands } from '@/lib/bindings'
 
 const appStore = useAppStore()
@@ -104,6 +104,56 @@ const handleSearch = (moduleId: string) => {
   handleModuleChange(moduleId)
 }
 
+// 为单个下载任务创建专属的一次性下载窗口（浏览器扩展发起）。
+// label 带 task id 保证同时多个下载时各占一个窗口；对应 capabilities/download-window.json 的 glob "download-window-*"
+async function openDownloadWindow(taskId: string) {
+  const { WebviewWindow } = await import('@tauri-apps/api/webviewWindow')
+  const { currentMonitor } = await import('@tauri-apps/api/window')
+  const label = `${WINDOWS.downloadWindow}-${taskId}`
+  try {
+    const existing = await WebviewWindow.getByLabel(label)
+    if (existing) {
+      // 已存在：用 Rust 端强制置前（绕过前台锁定，双屏/后台创建也能到前台）
+      await commands.downloaderFocusWindow(label)
+      return
+    }
+    // 定位到主窗口当前所在显示器的中央偏上
+    const monitor = await currentMonitor()
+    const scale = monitor?.scaleFactor ?? 1
+    const w = 420
+    const h = 176
+    const x = Math.round(((monitor?.size.width ?? 1920) / scale - w) / 2)
+    const y = Math.round(((monitor?.size.height ?? 1080) / scale - h) / 2 * 0.8)
+    const win = new WebviewWindow(label, {
+      url: `index.html#download-window?task=${encodeURIComponent(taskId)}`,
+      title: '下载',
+      width: w,
+      height: h,
+      x,
+      y,
+      decorations: false,
+      transparent: true,
+      resizable: false,
+      maximizable: false,
+      minimizable: true,
+      shadow: true,
+      visible: false,
+      focus: false,
+      // 默认不置顶、放入任务栏（可最小化，任务栏图标唤出）；下载完成时窗口置前提醒。
+      // 隐藏创建：由 DownloadWindow 贴合内容高度后一次性 show，避免显示后再 resize 闪烁
+    })
+    win.once('tauri://error', (e) => console.error('创建下载窗口失败:', e))
+    // 窗口改为隐藏创建：由 DownloadWindow 在 onMounted 贴合内容高度后一次性 show，
+    // 避免"先以 176 高度显示、再 resize 到内容高度"造成的闪烁。
+    // 此处仅保留异常兜底：WebView 加载异常导致 DownloadWindow 未 reveal 时，强制显示。
+    win.once('tauri://created', () => {
+      window.setTimeout(() => { void commands.downloaderFocusWindow(label) }, 2500)
+    })
+  } catch (e) {
+    console.error('创建下载窗口失败:', e)
+  }
+}
+
 const getFallbackModule = () => {
   const enabledIds = appStore.enabledModules.map(m => m.id)
   const fallback = moduleRegistry.getAllMetas().find(
@@ -198,14 +248,12 @@ onMounted(async () => {
       }
     })
   )
-  // 浏览器扩展新增下载：直接切到下载模块的任务列表页（主窗口已由 Rust 端置前）
+  // 浏览器扩展新增下载：为该任务创建一个专属的一次性下载窗口（不打断主界面）。
+  // 主窗口本身无需置前，下载进度/完成事件由独立窗口自行监听。
   trayUnlisteners.push(
-    await listen(EVENTS.downloadExtensionAdded, () => {
+    await listen<{ id: string }>(EVENTS.downloadExtensionAdded, (e) => {
-      const enabledIds = appStore.enabledModules.map(m => m.id)
+      if (!e.payload?.id) return
-      if (enabledIds.includes('downloader') || moduleRegistry.getConfig('downloader')?.builtin) {
+      void openDownloadWindow(e.payload.id)
-        pendingShowDownloadTasks.value = true
-        handleModuleChange('downloader')
-      }
     })
   )
   trayUnlisteners.push(

src/components/layout/ModuleContainer.vue

@@ -27,7 +27,7 @@ watch(
 <template>
   <main
     ref="containerRef"
-    class="flex-1"
+    class="flex-1 min-w-0"
     :style="{ backgroundColor: 'var(--effect-bg)', backdropFilter: 'var(--effect-blur)' }"
   >
     <ScrollArea data-main-scroll class="h-full w-full">

src/components/ui/input/Input.vue

@@ -1,5 +1,6 @@
 <script setup lang="ts">
 import type { HTMLAttributes } from "vue"
+import { ref } from "vue"
 import { useVModel } from "@vueuse/core"
 import { cn } from "@/lib/utils"
 
@@ -17,10 +18,19 @@ const modelValue = useVModel(props, "modelValue", emits, {
   passive: true,
   defaultValue: props.defaultValue,
 })
+
+// 暴露原生 input 元素与 focus，供父级 `ref="xx"` 后调用 xx.focus()
+// （组件默认不转发，ref 拿到的是组件实例，调用 .focus() 会报 "focus is not a function"）
+const inputEl = ref<HTMLInputElement | null>(null)
+defineExpose({
+  focus: () => inputEl.value?.focus(),
+  element: () => inputEl.value,
+})
 </script>
 
 <template>
   <input
+    ref="inputEl"
     v-model="modelValue"
     data-slot="input"
     :class="cn(

src/lib/bindings.ts

@@ -43,6 +43,7 @@ export const commands = {
 	proxyStart: () => __TAURI_INVOKE<ProcessInfo>("proxy_start"),
 	proxyStatus: () => __TAURI_INVOKE<ProxyStatus>("proxy_status"),
 	proxyStop: () => __TAURI_INVOKE<null>("proxy_stop"),
+	proxyTraffic: () => __TAURI_INVOKE<TrafficSnapshot>("proxy_traffic"),
 	proxyTestDelay: (name: string, url: string | null, timeout: number | null) => __TAURI_INVOKE<number>("proxy_test_delay", { name, url, timeout }),
 	proxyUpdateProfile: (id: string) => __TAURI_INVOKE<ProfileMeta>("proxy_update_profile", { id }),
 	/**  读取快速面板设置（快捷键等） */
@@ -198,11 +199,15 @@ export const commands = {
 	/**  检查 URL 重复性并探测文件信息（添加下载前调用） */
 	downloaderCheckUrl: (url: string, dir: string | null, headers: { [key in string]: string } | null) => __TAURI_INVOKE<CheckUrlResult>("downloader_check_url", { url, dir, headers }),
 	/**  添加下载任务 */
-	downloaderAddTask: (url: string, filename: string | null, dir: string | null, headers: { [key in string]: string } | null, autoRename: boolean | null) => __TAURI_INVOKE<string>("downloader_add_task", { url, filename, dir, headers, autoRename }),
+	downloaderAddTask: (url: string, filename: string | null, dir: string | null, headers: { [key in string]: string } | null, autoRename: boolean | null, onlyFiles: number[] | null) => __TAURI_INVOKE<string>("downloader_add_task", { url, filename, dir, headers, autoRename, onlyFiles }),
 	/**  暂停任务 */
 	downloaderPauseTask: (id: string) => __TAURI_INVOKE<null>("downloader_pause_task", { id }),
 	/**  恢复任务 */
 	downloaderResumeTask: (id: string) => __TAURI_INVOKE<null>("downloader_resume_task", { id }),
+	/**  取消任务（置为已取消，清空进度并删除下载文件，但保留记录） */
+	downloaderCancelTask: (id: string) => __TAURI_INVOKE<null>("downloader_cancel_task", { id }),
+	/**  重新下载已取消/出错的任务 */
+	downloaderRedownload: (id: string) => __TAURI_INVOKE<null>("downloader_redownload", { id }),
 	/**  移除任务 */
 	downloaderRemoveTask: (id: string, deleteFiles: boolean | null) => __TAURI_INVOKE<null>("downloader_remove_task", { id, deleteFiles }),
 	/**  获取设置 */
@@ -213,6 +218,17 @@ export const commands = {
 	downloaderOpenDir: (path: string) => __TAURI_INVOKE<null>("downloader_open_dir", { path }),
 	/**  用系统默认浏览器打开 URL */
 	downloaderOpenUrl: (url: string) => __TAURI_INVOKE<null>("downloader_open_url", { url }),
+	/**
+	 *  将指定 label 的下载窗口显示并强制置为前台。
+	 *  Tauri 的 set_focus 在 Windows 上受前台锁定限制（尤其下载窗口由后台进程创建、
+	 *  或创建到非主显示器时更明显），改用原生 SetForegroundWindow + BringWindowToTop
+	 *  （模拟 Alt 键重置前台锁定），保证开始/完成下载时窗口能正确定位到前台。
+	 */
+	downloaderFocusWindow: (label: string) => __TAURI_INVOKE<null>("downloader_focus_window", { label }),
+	/**  解析磁力链 / .torrent 文件，返回种子信息（名称 / infohash / 文件列表），供前端做文件勾选 */
+	downloaderInspect: (input: string) => __TAURI_INVOKE<TorrentInfo>("downloader_inspect", { input }),
+	/**  磁力任务：元数据解析成功后，用户勾选文件并确认开始下载 */
+	downloaderSelectBtFiles: (id: string, onlyFiles: number[]) => __TAURI_INVOKE<null>("downloader_select_bt_files", { id, onlyFiles }),
 	/**  禁用指定窗口（按 label 查找）的显示/隐藏过渡动画，消除覆盖层出现/消失时的缩放动画 */
 	screenshotDisableTransitions: (label: string) => __TAURI_INVOKE<null>("screenshot_disable_transitions", { label }),
 	/**  一次 IPC 完成指定窗口的显示与聚焦（截图覆盖层显示关键路径，减少串行往返） */
@@ -280,6 +296,16 @@ export type ArchiveInfo = {
 	size: number,
 };
 
+/**  BT 种子内文件条目（多文件任务用；阶段1下载全部文件，但保留列表供 UI 展示） */
+export type BtFileInfo = {
+	/**  文件在种子内的索引 */
+	index: number,
+	/**  相对种子根目录的路径（如 "sub/file.mkv"） */
+	path: string,
+	/**  文件大小（字节） */
+	size: number,
+};
+
 /**  前端可见的捕获数据 */
 export type CaptureData = {
 	pngBase64: string,
@@ -372,12 +398,20 @@ export type DeleteResult = {
 export type DownloadTask = {
 	/**  任务 ID（自增 hex 字符串） */
 	id: string,
-	/**  下载地址 */
+	/**  下载地址（HTTP URL 或磁力链接） */
 	url: string,
-	/**  文件名 */
+	/**  文件名（HTTP：目标文件名；BT：种子名称） */
 	filename: string,
 	/**  保存目录（绝对路径） */
 	dir: string,
+	/**  协议类型 */
+	protocol?: TaskProtocol,
+	/**  BT 种子 infohash（协议=BitTorrent 时存在） */
+	infoHash?: string | null,
+	/**  BT 种子内文件列表（协议=BitTorrent 时存在） */
+	btFiles?: BtFileInfo[],
+	/**  BT 元数据是否已解析就绪（异步添加时：后台解析完成前为 false，调度器跳过） */
+	btMetadataReady?: boolean,
 	/**  状态 */
 	status: TaskStatus,
 	/**  文件总大小（字节），0=未知 */
@@ -420,6 +454,14 @@ export type DownloaderSettings = {
 	checkDuplicate?: boolean,
 	/**  下载是否使用代理：true=尊重系统代理（mihomo 开启系统代理时经其转发），false=强制直连 */
 	useProxy?: boolean,
+	/**  BitTorrent 上传限速 KB/s（0=不限） */
+	btUploadLimitKb?: number,
+	/**  BitTorrent 下载完成后是否继续做种上传（false=下载完即停止上传） */
+	btSeedAfterDownload?: boolean,
+	/**  BitTorrent 监听端口（0=自动选择） */
+	btListenPort?: number,
+	/**  BitTorrent 使用代理下载：开启后自动使用代理模块（mihomo）的 SOCKS5 端口；代理不可用时降级直连 */
+	btUseProxy?: boolean,
 };
 
 /**  重复类型 */
@@ -604,6 +646,13 @@ export type SpecialLocation = {
 	args: string[],
 };
 
+/**  任务下载协议类型 */
+export type TaskProtocol = 
+/**  HTTP/HTTPS 直链 */
+"http" | 
+/**  BitTorrent（磁力链 / .torrent 文件） */
+"bittorrent";
+
 /**  任务状态 */
 export type TaskStatus = 
 /**  排队等待（并发数已满） */
@@ -615,7 +664,35 @@ export type TaskStatus =
 /**  已完成 */
 "complete" | 
 /**  错误 */
-"error";
+"error" | 
+/**  已取消（用户取消：进度与文件已清除，仅保留记录，只能再次下载） */
+"cancelled";
+
+/**  种子信息（inspect 解析结果，供命令返回给前端做文件勾选） */
+export type TorrentInfo = {
+	/**  种子名称 */
+	name: string,
+	/**  infohash（hex 小写字符串） */
+	infoHash: string,
+	/**  种子内全部文件总大小（字节） */
+	totalSize: number,
+	/**  种子内文件列表 */
+	files: BtFileInfo[],
+};
+
+/**  实时流量快照（由 /connections 的会话总量差分得出实时速率） */
+export type TrafficSnapshot = {
+	/**  本次会话累计下载字节数 */
+	downloadTotal: number,
+	/**  本次会话累计上传字节数 */
+	uploadTotal: number,
+	/**  实时下载速率（字节/秒） */
+	downloadSpeed: number,
+	/**  实时上传速率（字节/秒） */
+	uploadSpeed: number,
+	/**  当前活跃连接数 */
+	activeConnections: number,
+};
 
 /**  release 中的一个资产 */
 export type UpdateAsset = {

src/lib/constants.ts

@@ -10,6 +10,8 @@ export const WINDOWS = {
   osdOverlay: 'osd-overlay',
   screenshotOverlay: 'screenshot-overlay',
   screenshotPin: 'screenshot-pin',
+  /** 单文件一次性下载窗口前缀，实际 label = `${downloadWindow}-<taskId>` */
+  downloadWindow: 'download-window',
 } as const
 
 /** Tauri 事件名（前端 emit / listen 与 Rust constants::events 对应） */
@@ -72,7 +74,7 @@ export const EVENTS = {
   downloadAdded: 'download-added',
   /** 任务被删除（浏览器扩展通过 HTTP API 删除任务时发出，前端据此刷新任务列表） */
   downloadRemoved: 'download-removed',
-  /** 浏览器扩展通过 HTTP API 新增下载（置前主窗口并跳到下载画面） */
+  /** 浏览器扩展通过 HTTP API 新增下载（负载 { id }，前端据以为该任务创建专属下载窗口） */
   downloadExtensionAdded: 'download-extension-added',
 } as const
 
@@ -94,6 +96,8 @@ export const STORAGE_KEYS = {
   quickpanelDeleteFilterFavs: 'thing_quickpanel_delete_filter_favs',
   currencyRates: 'thing_quickpanel_currency_rates',
   monitorOsdConfig: 'thing_monitor_osd_config',
+  /** 关闭"自动启动监控内核"时暂存的 OSD 开关状态（开启自动启动时据此恢复） */
+  monitorOsdPending: 'thing_monitor_osd_pending',
   monitorOverviewCards: 'thing_monitor_overview_cards',
   screenshotHistory: 'thing_screenshot_history',
   screenshotPinIndex: 'thing_screenshot_pin_index',

src/main.ts

@@ -31,14 +31,16 @@ const standaloneWindowApps: Array<[hash: string, label: string, loader: () => Pr
   ['#screenshot-overlay', '截图覆盖层', () => import('./modules/screenshot/ScreenshotOverlay.vue')],
   ['#screenshot-editor', '截图编辑器', () => import('./modules/screenshot/ScreenshotEditor.vue')],
   ['#screenshot-pin', '贴图窗口', () => import('./modules/screenshot/ScreenshotPin.vue')],
+  ['#download-window', '下载窗口', () => import('./modules/downloader/DownloadWindow.vue')],
 ]
 
 const winHash = window.location.hash
 
-// #screenshot-overlay 带窗口号参数（多屏），按前缀匹配；其余精确匹配
+// #screenshot-overlay 带窗口号参数（多屏）、#download-window 带 ?task= 参数，按前缀匹配；其余精确匹配
-const matched = standaloneWindowApps.find(([hash]) =>
+const matched = standaloneWindowApps.find(([hash]) => {
-  hash === '#screenshot-overlay' ? winHash.startsWith(hash) : winHash === hash
+  if (hash === '#screenshot-overlay' || hash === '#download-window') return winHash.startsWith(hash)
-)
+  return winHash === hash
+})
 
 if (matched) {
   const [, label, loader] = matched

src/modules/downloader/DownloadWindow.vue

@@ -0,0 +1,495 @@
+<script setup lang="ts">
+import { ref, computed, onMounted, onUnmounted } from 'vue'
+import { getCurrentWindow, Effect, EffectState } from '@tauri-apps/api/window'
+import { LogicalSize } from '@tauri-apps/api/dpi'
+import { listen, type UnlistenFn } from '@tauri-apps/api/event'
+import { Pause, Play, X, Minus, FolderOpen, AlertCircle, Loader2, XCircle } from '@lucide/vue'
+import { commands, type DownloadTask, type Segment, type TaskStatus } from '@/lib/bindings'
+import { STORAGE_KEYS } from '@/lib/constants'
+import { createLogger } from '@/lib/logger'
+
+const logger = createLogger('download-window')
+
+// ===== 从 URL hash 解析任务 id：#download-window?task=<id> =====
+const hash = window.location.hash
+const taskId = new URLSearchParams(hash.split('?')[1] ?? '').get('task') ?? ''
+if (!taskId) logger.warn('下载窗口缺少 task 参数')
+
+const win = getCurrentWindow()
+const task = ref<DownloadTask | null>(null)
+const loading = ref(true)
+const actionError = ref('')
+
+// ===== 进度事件载荷（与 Rust 端 ProgressPayload 对应） =====
+interface ProgressPayload {
+  id: string
+  completedSize: number
+  totalSize: number
+  speed: number
+  status: TaskStatus
+  segments: number[]
+}
+
+const loadTask = async () => {
+  try {
+    const all = await commands.downloaderGetTasks()
+    task.value = all.find(t => t.id === taskId) ?? null
+  } catch (e) {
+    logger.error('获取任务失败: ' + e)
+  } finally {
+    loading.value = false
+  }
+  // 任务已不存在（被模块/扩展删除）：本窗口无存在意义，直接关闭
+  if (!task.value) {
+    await win.close()
+    return
+  }
+  // 文件名显示到窗口标题（无边框窗口下仍影响任务栏悬浮标题）
+  try { await win.setTitle(task.value.filename) } catch { /* 忽略 */ }
+}
+
+// ===== 状态派生 =====
+const totalSize = computed(() => task.value?.totalSize ?? 0)
+const completedSize = computed(() => task.value?.completedSize ?? 0)
+const speed = computed(() => task.value?.speed ?? 0)
+const status = computed<TaskStatus>(() => task.value?.status ?? 'active')
+const progress = computed(() => {
+  if (!totalSize.value || totalSize.value === 0) return 0
+  return Math.min(100, Math.round((completedSize.value / totalSize.value) * 100))
+})
+const segments = computed(() => task.value?.segments ?? [])
+const showSegments = computed(() => segments.value.length > 1)
+
+const statusText = computed(() => {
+  switch (status.value) {
+    case 'active': return '下载中'
+    case 'queued': return '等待中'
+    case 'paused': return '已暂停'
+    case 'complete': return '已完成'
+    case 'error': return '出错'
+    case 'cancelled': return '已取消'
+  }
+})
+const statusTone = computed(() => {
+  if (status.value === 'complete') return 'success'
+  if (status.value === 'error') return 'destructive'
+  if (status.value === 'paused' || status.value === 'cancelled') return 'muted'
+  return 'active'
+})
+
+// ===== 格式化 =====
+const formatByte = (b: number) => {
+  if (!b || isNaN(b)) return '0 B'
+  if (b < 1024) return `${b} B`
+  if (b < 1024 * 1024) return `${(b / 1024).toFixed(1)} KB`
+  if (b < 1024 * 1024 * 1024) return `${(b / 1024 / 1024).toFixed(2)} MB`
+  return `${(b / 1024 / 1024 / 1024).toFixed(2)} GB`
+}
+const formatTotal = (b: number) => (!b || b === 0 ? '未知' : formatByte(b))
+
+// ===== 分段进度（横向分段条：每段宽度按其长度占整个文件的比例） =====
+const segLen = (s: Segment) => s.end - s.start + 1
+const totalSpan = computed(() => segments.value.reduce((a, s) => a + segLen(s), 0))
+const segPercent = (s: Segment) => {
+  if (segLen(s) <= 0) return 0
+  return Math.min(100, Math.round((s.completed / segLen(s)) * 100))
+}
+
+// ===== 操作 =====
+const errorTip = (e: unknown) => {
+  actionError.value = typeof e === 'string' ? e : '操作失败'
+}
+const doPause = async () => {
+  try { await commands.downloaderPauseTask(taskId) } catch (e) { return errorTip(e) }
+  await loadTask().catch(() => {})
+}
+const doResume = async () => {
+  try { await commands.downloaderResumeTask(taskId) } catch (e) { return errorTip(e) }
+  await loadTask().catch(() => {})
+}
+// 取消：二次确认（3 秒内再点一次才真正删除）
+const armedCancel = ref(false)
+let cancelArmTimer = 0
+const doCancel = async () => {
+  if (!armedCancel.value) {
+    armedCancel.value = true
+    window.clearTimeout(cancelArmTimer)
+    cancelArmTimer = window.setTimeout(() => (armedCancel.value = false), 3000)
+    return
+  }
+  window.clearTimeout(cancelArmTimer)
+  armedCancel.value = false
+  try { await commands.downloaderCancelTask(taskId) } catch (e) { return errorTip(e) }
+  await win.close()
+}
+const doOpenFolder = async () => {
+  if (!task.value?.dir) return
+  try { await commands.downloaderOpenDir(task.value.dir) } catch (e) { errorTip(e) }
+}
+const doMinimize = () => win.minimize()
+const doClose = () => win.close()
+
+// 标题文字按下拖动窗口：data-tauri-drag-region 对文字子元素可能不生效
+// （文字层拦截 pointer 事件），改用显式 startDragging（仅左键）
+const startDrag = () => {
+  win.startDragging().catch(() => {})
+}
+
+// 只读提示：错误等瞬态信息 3 秒后清除
+const clearErrorSoon = () => {
+  if (!actionError.value) return
+  window.setTimeout(() => { if (!actionError.value) return; actionError.value = '' }, 3000)
+}
+
+// ===== 主题与窗口效果（与主应用同步：主题 + mica/acrylic 效果） =====
+function readMainTheme(): { theme: string; effect: string } {
+  try {
+    const raw = localStorage.getItem(STORAGE_KEYS.appSettings)
+    if (raw) {
+      const s = JSON.parse(raw)
+      return { theme: s.theme ?? 'system', effect: s.effect ?? 'mica' }
+    }
+  } catch { /* 忽略 */ }
+  return { theme: 'system', effect: 'mica' }
+}
+/** 判断当前是否应为深色主题（弹窗独立窗口，system 模式用 matchMedia 可靠） */
+function resolveIsDark(theme: string): boolean {
+  if (theme === 'dark') return true
+  if (theme === 'light') return false
+  return window.matchMedia('(prefers-color-scheme: dark)').matches
+}
+async function applyTheme() {
+  const root = document.documentElement
+  const { theme, effect } = readMainTheme()
+
+  // 1. 设置窗口原生主题（system → null 跟随系统）
+  try {
+    if (theme === 'system') await win.setTheme(null)
+    else await win.setTheme(theme as 'dark' | 'light')
+  } catch { /* 忽略 */ }
+
+  // 2. 用 matchMedia 判断深浅（不依赖主应用状态）
+  const isDark = resolveIsDark(theme)
+
+  // 3. 设置 DOM class（effect 类供 style.css 变量联动）
+  root.classList.remove('dark', 'effect-mica', 'effect-acrylic', 'effect-normal')
+  root.classList.add(`effect-${effect}`)
+  if (isDark) root.classList.add('dark')
+
+  // 4. 设置窗口效果：mica/acrylic 下卡片透明，普通模式用不透明背景
+  try {
+    await win.clearEffects()
+    if (effect === 'mica') {
+      await win.setEffects({
+        effects: [Effect.Mica],
+        state: EffectState.FollowsWindowActiveState,
+        color: isDark ? [30, 41, 59, 0] : [248, 250, 252, 0],
+      })
+      await win.setBackgroundColor('#00000000')
+      root.style.setProperty('--popup-bg', 'transparent')
+    } else if (effect === 'acrylic') {
+      await win.setEffects({
+        effects: [Effect.Acrylic],
+        state: EffectState.FollowsWindowActiveState,
+        color: isDark ? [30, 41, 59, 0] : [248, 250, 252, 0],
+      })
+      await win.setBackgroundColor('#00000000')
+      root.style.setProperty('--popup-bg', 'transparent')
+    } else {
+      await win.setBackgroundColor(isDark ? '#0f172a' : '#ffffff')
+      root.style.setProperty('--popup-bg', isDark ? '#0f172a' : '#ffffff')
+    }
+  } catch { /* 忽略 */ }
+}
+
+// ===== 自动贴合内容高度：消除卡片下方留白 =====
+const rootRef = ref<HTMLElement | null>(null)
+let lastHeight = 0
+let autoResizeObserver: ResizeObserver | null = null
+// 仅兜底防窗口过小；正常状态下窗口严格贴合内容高度（既不高出导致底部露白，
+// 也不低于 titlebar/loading 所需），由 getBoundingClientRect().height 决定
+const MIN_H = 52
+const WINDOW_W = 420
+const applyAutoHeight = async () => {
+  if (!rootRef.value) return
+  try {
+    if (await win.isMinimized()) return
+  } catch { /* 忽略 */ }
+  const h = Math.max(MIN_H, Math.ceil(rootRef.value.getBoundingClientRect().height))
+  if (Math.abs(h - lastHeight) > 4) {
+    lastHeight = h
+    win.setSize(new LogicalSize(WINDOW_W, h)).catch(() => {})
+  }
+}
+
+// ===== 事件监听 =====
+let progressUnlisten: UnlistenFn | null = null
+let completeUnlisten: UnlistenFn | null = null
+let onThemeChange: (() => void) | null = null
+
+// 完成时置前提醒：恢复最小化 + 显示 + 聚焦（窗口从任务栏/后台唤出到最前）。
+// 用 Rust 端 downloaderFocusWindow 强制置前，绕过 Windows 前台锁定（纯 setFocus 会被忽略）
+const handleComplete = async () => {
+  await loadTask().catch(() => {})
+  if (status.value === 'complete') {
+    try { await commands.downloaderFocusWindow(win.label) } catch { /* 忽略 */ }
+  }
+}
+
+onMounted(async () => {
+  await applyTheme()
+  await loadTask()
+
+  progressUnlisten = await listen<ProgressPayload>('download-progress', (e) => {
+    if (e.payload.id !== taskId || !task.value) return
+    const t = task.value
+    t.completedSize = e.payload.completedSize
+    t.totalSize = e.payload.totalSize
+    t.speed = e.payload.speed
+    t.status = e.payload.status
+    if (Array.isArray(e.payload.segments) && t.segments) {
+      t.segments.forEach((seg, i) => {
+        const v = e.payload.segments[i]
+        if (v !== undefined) seg.completed = v
+      })
+    }
+  })
+
+  completeUnlisten = await listen<{ id: string }>('download-complete', (e) => {
+    if (e.payload?.id !== taskId) return
+    handleComplete()
+  })
+
+  const mq = window.matchMedia('(prefers-color-scheme: dark)')
+  onThemeChange = () => applyTheme()
+  mq.addEventListener('change', onThemeChange)
+
+  // 内容变化时自动贴合窗口高度（始终保留，覆盖后续加载→数据等状态下的高度变化）
+  lastHeight = 0
+  autoResizeObserver = new ResizeObserver(applyAutoHeight)
+  if (rootRef.value) autoResizeObserver.observe(rootRef.value)
+
+  // 首次显示：窗口由 App.vue 隐藏创建，此处先在隐藏态贴合到内容高度，
+  // 再延迟一小段等待 setSize 生效后一次性 show + 置前，
+  // 避免"先以初始高度显示、再 resize"造成的尺寸跳变闪烁。
+  void applyAutoHeight()
+  window.setTimeout(async () => {
+    // 隐藏态下多贴合一次，确保尺寸已对内容就位
+    await applyAutoHeight()
+    try { await win.show() } catch { /* 忽略 */ }
+    try { await win.unminimize() } catch { /* 忽略 */ }
+    void commands.downloaderFocusWindow(win.label).catch(() => {})
+  }, 120)
+})
+
+onUnmounted(() => {
+  progressUnlisten?.()
+  completeUnlisten?.()
+  autoResizeObserver?.disconnect()
+  if (onThemeChange) window.matchMedia('(prefers-color-scheme: dark)').removeEventListener('change', onThemeChange)
+  window.clearTimeout(cancelArmTimer)
+})
+</script>
+
+<template>
+  <div ref="rootRef" class="dlw-root">
+    <!-- 顶部标题栏（可拖动）：文件名作为标题，右侧放操作按钮 + 最小化 + 关闭 -->
+    <div class="dlw-titlebar" data-tauri-drag-region>
+      <div class="dlw-title-left" data-tauri-drag-region>
+        <Loader2 v-if="status === 'active'" class="size-3 shrink-0 animate-spin text-primary" />
+        <XCircle v-else-if="status === 'error'" class="size-3 shrink-0 text-red-500" />
+        <Pause v-else class="size-3 shrink-0 text-muted-foreground" />
+        <span v-if="loading" class="text-xs font-medium text-muted-foreground">下载</span>
+        <span v-else-if="task" class="dlw-title-name" :title="task.filename"
+                  @mousedown.left.prevent="startDrag">{{ task.filename }}</span>
+      </div>
+      <div class="dlw-title-right">
+        <button v-if="status === 'active'" class="dlw-btn" @click="doPause">
+          <Pause class="size-3" /> 暂停
+        </button>
+        <button v-else-if="status === 'paused'" class="dlw-btn" @click="doResume">
+          <Play class="size-3" /> 继续
+        </button>
+        <button v-if="status !== 'complete' && status !== 'error'" class="dlw-btn dlw-btn-danger" @click="doCancel">
+          {{ armedCancel ? '再点一次取消' : '取消' }}
+        </button>
+        <button v-if="status === 'complete'" class="dlw-btn dlw-btn-primary" @click="doOpenFolder">
+          <FolderOpen class="size-3" /> 打开文件夹
+        </button>
+        <button v-else-if="status === 'error' && task?.dir" class="dlw-btn" @click="doOpenFolder">
+          <FolderOpen class="size-3" /> 打开目录
+        </button>
+        <button class="dlw-icon-btn" title="最小化" @click="doMinimize">
+          <Minus class="size-3.5" />
+        </button>
+        <button class="dlw-icon-btn" title="关闭（下载在后台继续）" @click="doClose">
+          <X class="size-3.5" />
+        </button>
+      </div>
+    </div>
+
+    <!-- 主体：状态 + 总进度 + 分段条 -->
+    <div class="dlw-body">
+      <div v-if="loading" class="dlw-loading">
+        <Loader2 class="size-5 animate-spin text-muted-foreground" />
+      </div>
+
+      <template v-else-if="task">
+        <div class="flex items-center justify-between gap-2 text-xs">
+          <span class="dlw-status-badge" :class="`tone-${statusTone}`">{{ statusText }}</span>
+          <span class="truncate text-muted-foreground">
+            {{ formatByte(completedSize) }} / {{ formatTotal(totalSize) }} · {{ progress }}%
+            <template v-if="status === 'active' && speed > 0"> · {{ formatByte(speed) }}/s</template>
+          </span>
+        </div>
+
+        <div class="dlw-bar mt-1.5">
+          <div class="dlw-bar-fill" :style="{ width: progress + '%' }" />
+        </div>
+
+        <!-- 分段进度：横向分段条 -->
+        <div v-if="showSegments" class="mt-2">
+          <span class="text-[10px] text-muted-foreground">分段 ({{ segments.length }} 线程)</span>
+          <div class="dlw-seg-strip mt-1">
+            <div
+              v-for="(seg, i) in segments"
+              :key="i"
+              class="dlw-seg"
+              :style="{ width: ((segLen(seg) / totalSpan) * 100).toFixed(2) + '%' }"
+              :title="`#${i + 1} ${segPercent(seg)}%`"
+            >
+              <div class="dlw-seg-fill" :style="{ width: segPercent(seg) + '%' }" />
+            </div>
+          </div>
+        </div>
+
+        <div v-if="actionError" class="mt-1.5 truncate text-right text-[10px] text-red-500" @click="clearErrorSoon">
+          {{ actionError }}
+        </div>
+      </template>
+
+      <div v-else class="dlw-loading">
+        <span class="flex items-center text-xs text-muted-foreground">
+          <AlertCircle class="size-4 mr-1.5" /> 任务已不存在
+        </span>
+      </div>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.dlw-root {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  padding: 4px 6px 6px;
+  overflow: hidden;
+}
+/* 标题栏 */
+.dlw-titlebar {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  height: 34px;
+  padding: 0 2px 0 8px;
+  gap: 6px;
+  user-select: none;
+  flex-shrink: 0;
+}
+.dlw-title-left {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  min-width: 0;
+}
+.dlw-title-name {
+  font-size: 12px;
+  font-weight: 600;
+  line-height: 1.3;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+.dlw-title-right {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  flex-shrink: 0;
+  min-width: 0;
+}
+/* 图标按钮（最小化/关闭） */
+.dlw-icon-btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 24px;
+  height: 24px;
+  border-radius: 5px;
+  color: var(--muted-foreground);
+}
+.dlw-icon-btn:hover { background: var(--accent); color: var(--accent-foreground); }
+
+/* 主体卡片：背景色由 --popup-bg 控制（mica/acrylic 下透明，普通模式不透明）。
+   flex:1 撑满 titlebar 下方的剩余高度，避免内容（尤其无分段时）比窗口矮导致底部露出
+   白色/透明的窗口背景区空白。 */
+.dlw-body {
+  display: flex;
+  flex-direction: column;
+  flex: 1 1 auto;
+  min-height: 0;
+  border: 1px solid var(--border);
+  border-radius: 9px;
+  background: var(--popup-bg, transparent);
+  padding: 9px 11px 9px;
+  box-shadow: 0 8px 30px rgb(0 0 0 / 0.18);
+}
+/* 加载/任务缺失等仅有一行的场景，内容垂直居中于撑满的卡片内 */
+.dlw-body > .dlw-loading { flex: 1 1 auto; margin: auto; }
+.dlw-loading {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 56px;
+}
+.dlw-status-badge {
+  flex-shrink: 0;
+  font-size: 10px;
+  line-height: 1.6;
+  padding: 0 8px;
+  border-radius: 999px;
+  white-space: nowrap;
+}
+.dlw-status-badge.tone-active { background: var(--primary); color: var(--primary-foreground); }
+.dlw-status-badge.tone-success { background: #10b981; color: #fff; }
+.dlw-status-badge.tone-destructive { background: #ef4444; color: #fff; }
+.dlw-status-badge.tone-muted { background: var(--muted); color: var(--muted-foreground); }
+
+.dlw-bar { height: 7px; border-radius: 999px; background: var(--muted); overflow: hidden; }
+.dlw-bar-fill { height: 100%; border-radius: 999px; background: var(--primary); transition: width 0.2s linear; }
+
+.dlw-seg-strip { display: flex; gap: 2px; height: 7px; }
+.dlw-seg { height: 100%; border-radius: 3px; background: var(--muted); overflow: hidden; }
+.dlw-seg-fill { height: 100%; background: var(--primary); opacity: 0.75; transition: width 0.2s linear; }
+
+/* 操作按钮（紧凑） */
+.dlw-btn {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  height: 24px;
+  padding: 0 8px;
+  font-size: 11px;
+  border-radius: 6px;
+  border: 1px solid var(--border);
+  background: transparent;
+  color: var(--foreground);
+  cursor: pointer;
+  white-space: nowrap;
+}
+.dlw-btn:hover { background: var(--accent); color: var(--accent-foreground); }
+.dlw-btn-danger { color: #ef4444; }
+.dlw-btn-danger:hover { background: rgb(239 68 68 / 0.12); color: #dc2626; }
+.dlw-btn-primary { background: var(--primary); color: var(--primary-foreground); border-color: transparent; }
+/* hover 时显式保持前景色，避免被上面的 .dlw-btn:hover 覆盖成深色导致黑字黑底不可见 */
+.dlw-btn-primary:hover { background: var(--primary); color: var(--primary-foreground); filter: brightness(1.05); }
+</style>

src/modules/downloader/DownloaderModule.vue

@@ -5,7 +5,7 @@ import {
   Link2, Loader2, FolderOpen, Copy, Puzzle,
   CheckCircle2, Clock, Zap, Eye, EyeOff, Search,
   ArrowUp, ArrowDown, ChevronLeft, ChevronRight, ExternalLink, Globe,
-  Info
+  Info, XCircle, Square
 } from '@lucide/vue'
 import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
 import { toast } from 'vue-sonner'
@@ -57,6 +57,118 @@ const addDir = ref('')
 const addingTask = ref(false)
 const addDialogOpen = ref(false)
 
+// ===== BT 种子文件勾选对话框（异步添加：元数据解析成功后由事件驱动弹出） =====
+interface BtSelectEntry {
+  taskId: string
+  /** 已勾选的文件索引（默认全选） */
+  selected: number[]
+}
+/** 待勾选文件的任务队列（可能多个磁力同时解析完成） */
+const btSelectQueue = ref<BtSelectEntry[]>([])
+const btSelectOpen = ref(false)
+/** 当前展示的勾选入口 */
+const btSelectEntry = computed<BtSelectEntry | null>(() => btSelectQueue.value[0] ?? null)
+/** 当前勾选入口对应的任务（含文件列表） */
+const btSelectTask = computed<DownloadTask | null>(() => {
+  const e = btSelectEntry.value
+  if (!e) return null
+  return store.tasks.find((t) => t.id === e.taskId) ?? null
+})
+
+/** 判断单个输入是否为 BT 链接 */
+const isBtInput = (input: string): boolean => {
+  const s = input.trim()
+  return s.toLowerCase().startsWith('magnet:') || /\.torrent($|\?)/i.test(s)
+}
+
+/** 切换某个文件勾选 */
+const btnToggleFile = (idx: number) => {
+  const e = btSelectEntry.value
+  if (!e) return
+  const i = e.selected.indexOf(idx)
+  if (i >= 0) e.selected.splice(i, 1)
+  else e.selected.push(idx)
+}
+
+/** 全选 / 全不选 */
+const btnSetAll = (all: boolean) => {
+  const e = btSelectEntry.value
+  const task = btSelectTask.value
+  if (!e || !task) return
+  e.selected = all ? task.btFiles.map((f) => f.index) : []
+}
+
+/** 当前任务是否已全选 */
+const btnIsAll = (): boolean => {
+  const task = btSelectTask.value
+  const e = btSelectEntry.value
+  if (!task || !e) return false
+  return e.selected.length === task.btFiles.length
+}
+
+/** 当前已勾选文件总大小 */
+const btnSelectedSize = (): number => {
+  const task = btSelectTask.value
+  const e = btSelectEntry.value
+  if (!task || !e) return 0
+  return task.btFiles
+    .filter((f) => e.selected.includes(f.index))
+    .reduce((sum, f) => sum + f.size, 0)
+}
+
+/** 收起当前入口，展示队列中的下一个（或关闭） */
+const nextBtSelect = () => {
+  btSelectQueue.value.shift()
+  btSelectOpen.value = btSelectQueue.value.length > 0
+}
+
+/** 磁力元数据就绪回调：刷新任务后把该任务加入勾选队列并弹出 */
+const onBtInspectReady = (taskId: string) => {
+  const task = store.tasks.find((t) => t.id === taskId)
+  if (!task) return
+  // 单文件种子无勾选必要：直接全选并开始下载，跳过勾选对话框
+  if (task.btFiles.length === 1) {
+    store.selectBtFiles(taskId, [task.btFiles[0].index]).catch((err) => {
+      toast.error('开始下载失败: ' + err)
+    })
+    return
+  }
+  btSelectQueue.value.push({
+    taskId,
+    selected: task.btFiles.map((f) => f.index) // 默认全选
+  })
+  btSelectOpen.value = true
+}
+
+/** 确认：设置勾选文件并开始下载，然后处理下一个 */
+const onBtFileConfirm = async () => {
+  const e = btSelectEntry.value
+  if (!e) return
+  try {
+    await store.selectBtFiles(e.taskId, e.selected)
+  } catch (err) {
+    toast.error('设置下载文件失败: ' + err)
+    return
+  }
+  nextBtSelect()
+}
+
+/** 取消：不下载该任务的勾选，跳过到下一个 */
+const onBtFileCancel = async () => {
+  const e = btSelectEntry.value
+  if (e) {
+    // 元数据已就绪且任务仍为 Queued，若不改状态会被下一次 schedule()
+    // 以"全选默认"自动开始下载；置为 Paused 才真正保持冻结，
+    // 用户想继续下载时点"继续"即可（恢复为全部文件）。
+    try {
+      await store.pauseTask(e.taskId)
+    } catch (err) {
+      logger.error('暂停未确认的磁力任务失败: ' + err)
+    }
+  }
+  nextBtSelect()
+}
+
 // 扩展密钥显示
 const showSecret = ref(false)
 
@@ -94,6 +206,7 @@ const STATUS_OPTIONS: { label: string; value: StatusFilter }[] = [
   { label: '等待中', value: 'queued' },
   { label: '已暂停', value: 'paused' },
   { label: '已完成', value: 'complete' },
+  { label: '已取消', value: 'cancelled' },
   { label: '错误', value: 'error' }
 ]
 
@@ -107,6 +220,17 @@ const SORT_OPTIONS: { label: string; value: SortField }[] = [
 const running = computed(() => store.status.running)
 
 // ===== 工具函数 =====
+/** BT 第 i 个文件已下载字节（progress 事件把每文件进度写入 segments[i].completed） */
+const btFileDownloaded = (task: DownloadTask, i: number): number =>
+  task.segments?.[i]?.completed ?? 0
+
+/** BT 第 i 个文件下载百分比 */
+const btFileProgress = (task: DownloadTask, i: number): number => {
+  const f = task.btFiles?.[i]
+  if (!f || !f.size) return 0
+  return Math.min(100, Math.round((btFileDownloaded(task, i) / f.size) * 100))
+}
+
 const formatSize = (bytes: number): string => {
   if (!bytes || isNaN(bytes)) return '0 B'
   if (bytes < 1024) return `${bytes} B`
@@ -167,6 +291,8 @@ const getTaskStatusBadge = (task: DownloadTask) => {
       return { variant: 'default' as const, text: '已完成', icon: CheckCircle2 }
     case 'error':
       return { variant: 'destructive' as const, text: '错误', icon: AlertCircle }
+    case 'cancelled':
+      return { variant: 'secondary' as const, text: '已取消', icon: XCircle }
     default:
       return { variant: 'outline' as const, text: task.status, icon: AlertCircle }
   }
@@ -199,6 +325,45 @@ const handleResume = async (id: string) => {
   }
 }
 
+// ===== 取消下载（参考下载窗口：二次点击确认，3 秒内未二次点击则取消）=====
+const cancelArmed = ref<Record<string, boolean>>({})
+let cancelArmTimers: Record<string, number> = {}
+const handleCancel = (id: string) => {
+  if (cancelArmed.value[id]) {
+    // 二次点击：执行取消
+    window.clearTimeout(cancelArmTimers[id])
+    delete cancelArmTimers[id]
+    cancelArmed.value[id] = false
+    doCancel(id)
+  } else {
+    // 首次点击：进入待确认状态
+    cancelArmed.value[id] = true
+    window.clearTimeout(cancelArmTimers[id])
+    cancelArmTimers[id] = window.setTimeout(() => {
+      cancelArmed.value[id] = false
+      delete cancelArmTimers[id]
+    }, 3000)
+  }
+}
+const doCancel = async (id: string) => {
+  try {
+    await store.cancelTask(id)
+    toast.success('已取消，下载文件已删除')
+  } catch (e) {
+    toast.error('取消失败: ' + e)
+  }
+}
+
+// ===== 重新下载（已取消/出错任务） =====
+const handleRedownload = async (id: string) => {
+  try {
+    await store.redownload(id)
+    toast.success('已重新下载')
+  } catch (e) {
+    toast.error('重新下载失败: ' + e)
+  }
+}
+
 // ===== 删除任务专用对话框（带"同时删除文件"开关） =====
 const removeDialogState = ref<{
   open: boolean
@@ -310,27 +475,54 @@ const handleAddDownload = async () => {
     return
   }
 
+  // 分离 BT 链接（磁力/种子）与 HTTP 链接
+  const httpUris: string[] = []
+  const btUris: string[] = []
+  for (const uri of uris) {
+    if (isBtInput(uri)) btUris.push(uri)
+    else httpUris.push(uri)
+  }
+
+  const dir = addDir.value.trim()
   addingTask.value = true
   try {
-    const dir = addDir.value.trim() || undefined
+    // HTTP 链接走原流程（含重复检查）
-    // 检查是否启用重复检查
+    if (httpUris.length > 0) {
-    const checkEnabled = store.settings?.checkDuplicate ?? true
+      const checkEnabled = store.settings?.checkDuplicate ?? true
-    if (checkEnabled) {
+      if (checkEnabled) {
-      // 逐个检查重复
+        duplicateSuccessCount.value = 0
-      duplicateSuccessCount.value = 0
+        processUrlsWithCheck(httpUris, dir || undefined)
-      await processUrlsWithCheck(uris, dir)
+      } else {
-    } else {
+        let successCount = 0
-      // 直接添加
+        for (const uri of httpUris) {
-      let successCount = 0
+          try {
-      for (const uri of uris) {
+            await store.addTask(uri, undefined, dir || undefined, undefined, true)
-        try {
+            successCount++
-          await store.addTask(uri, undefined, dir, undefined, true)
+          } catch (e) {
-          successCount++
+            logger.error(`添加 ${uri} 失败: ` + e)
-        } catch (e) {
+          }
-          logger.error(`添加 ${uri} 失败: ` + e)
         }
+        if (successCount > 0) finishAdd(successCount)
       }
-      finishAdd(successCount)
+    }
+
+    // BT 链接：异步添加（立即返回，不卡在元数据解析）。后台解析，成功后弹文件勾选。
+    let btCount = 0
+    for (const uri of btUris) {
+      try {
+        await store.addTask(uri, undefined, dir || undefined, undefined, true)
+        btCount++
+      } catch (e) {
+        toast.error(`添加磁力任务失败：${e}`)
+      }
+    }
+    if (btCount > 0) {
+      toast.info(`已添加 ${btCount} 个磁力任务，正在后台解析元数据…`)
+      // 关闭新建下载对话框（任务已出现在列表，解析成功后自动弹文件勾选）
+      addDialogOpen.value = false
+      addUriText.value = ''
+      addDir.value = ''
+      activeTab.value = 'tasks'
     }
   } catch (e) {
     toast.error('添加失败: ' + e)
@@ -498,6 +690,23 @@ const handleSelectDir = async () => {
   }
 }
 
+/** 选择本地 .torrent 种子文件，追加到下载链接输入框（支持一次选多个，每行一个） */
+const handleSelectTorrentFile = async () => {
+  try {
+    const selected = await openDialog({
+      multiple: true,
+      filters: [{ name: '种子文件', extensions: ['torrent'] }]
+    })
+    const paths = Array.isArray(selected) ? selected : selected ? [selected] : []
+    if (paths.length === 0) return
+    const existing = addUriText.value.trim()
+    const next = existing ? existing.trimEnd() + '\n' + paths.join('\n') : paths.join('\n')
+    addUriText.value = next
+  } catch (e) {
+    logger.error('选择种子文件失败: ' + e)
+  }
+}
+
 const handleSelectSettingsDir = async () => {
   try {
     const selected = await openDialog({ directory: true, multiple: false })
@@ -588,6 +797,8 @@ watch(pendingShowDownloadTasks, (v) => {
 
 onMounted(async () => {
   await store.init()
+  // 注册磁力元数据就绪回调：解析成功后弹文件勾选对话框
+  store.setBtInspectReadyHandler(onBtInspectReady)
   // 消费托盘菜单"新建下载"标志位（挂载前设置的场景，watcher 尚未生效）
   if (pendingNewDownload.value) {
     pendingNewDownload.value = false
@@ -601,6 +812,7 @@ onMounted(async () => {
 })
 
 onUnmounted(() => {
+  store.setBtInspectReadyHandler(null)
   store.stopEventListeners()
 })
 
@@ -610,7 +822,7 @@ const allTasks = computed<DownloadTask[]>(() => store.tasks)
 
 // 状态栏计数：单次遍历统计各状态任务数（替代模板内 4 次 filter 全量扫描）
 const statusCounts = computed(() => {
-  const counts: Record<TaskStatus, number> = { queued: 0, active: 0, paused: 0, complete: 0, error: 0 }
+  const counts: Record<TaskStatus, number> = { queued: 0, active: 0, paused: 0, complete: 0, error: 0, cancelled: 0 }
   for (const t of allTasks.value) counts[t.status]++
   return counts
 })
@@ -693,8 +905,8 @@ const toggleSortOrder = () => {
       </div>
 
       <!-- ===== 下载任务 ===== -->
-      <TabsContent value="tasks" class="flex-1 mt-4 min-h-0 tab-animate">
+      <TabsContent value="tasks" class="flex-1 mt-4 min-h-0 min-w-0 tab-animate">
-        <div class="h-full flex flex-col gap-4">
+        <div class="h-full flex flex-col gap-4 min-w-0">
           <!-- 状态栏 -->
           <Card class="shrink-0 !py-0 !gap-0">
             <CardContent class="pl-4 pr-4 py-3">
@@ -727,6 +939,10 @@ const toggleSortOrder = () => {
                       <Check class="size-3" />
                       已完成 {{ statusCounts.complete }}
                     </Badge>
+                    <Badge v-if="statusCounts.cancelled > 0" variant="secondary" class="gap-1">
+                      <XCircle class="size-3" />
+                      已取消 {{ statusCounts.cancelled }}
+                    </Badge>
                   </div>
                 </div>
                 <div class="flex items-center gap-2">
@@ -849,7 +1065,7 @@ const toggleSortOrder = () => {
           </div>
 
           <!-- 任务列表 -->
-          <ScrollArea class="flex-1 min-h-0">
+          <ScrollArea class="flex-1 min-h-0 min-w-0">
             <div v-if="pagedTasks.length === 0" key="empty" class="h-full flex flex-col items-center justify-center text-muted-foreground gap-2 pt-10">
               <CheckCircle2 class="size-16 opacity-30" />
               <p>暂无符合条件的任务</p>
@@ -863,10 +1079,15 @@ const toggleSortOrder = () => {
                 <CardContent class="pl-4 pr-4 py-3">
                   <div class="flex items-start justify-between gap-3 mb-3">
                     <div class="flex-1 min-w-0">
-                      <div class="flex items-center gap-2 mb-1">
+                      <div class="flex items-center gap-2 mb-1 min-w-0">
-                        <span class="font-medium truncate cursor-default">
+                        <!-- flex-1 + min-w-0 + truncate：flex 子项默认 min-width:auto 不收缩，
+                             长文件名会把整行撑宽；flex-1 让名字占满可用宽度并省略号截断 -->
+                        <span class="min-w-0 flex-1 font-medium truncate cursor-default" :title="getFileName(task)">
                           {{ getFileName(task) }}
                         </span>
+                        <Badge v-if="task.protocol === 'bittorrent'" variant="outline" class="shrink-0 gap-1 py-0 px-1.5 text-[10px]">
+                          BT
+                        </Badge>
                         <Badge
                           :variant="getTaskStatusBadge(task).variant"
                           class="shrink-0"
@@ -895,7 +1116,7 @@ const toggleSortOrder = () => {
                           </TooltipTrigger>
                           <TooltipContent class="max-w-[480px] break-words">{{ task.dir }}</TooltipContent>
                         </Tooltip>
-                        <span v-if="task.error" class="text-destructive">
+                        <span v-if="task.error" class="text-destructive break-all">
                           {{ task.error }}
                         </span>
                       </div>
@@ -927,6 +1148,35 @@ const toggleSortOrder = () => {
                         </TooltipTrigger>
                         <TooltipContent>继续</TooltipContent>
                       </Tooltip>
+                      <!-- 已取消任务：只能再次下载 -->
+                      <Tooltip v-if="task.status === 'cancelled'">
+                        <TooltipTrigger as-child>
+                          <Button
+                            size="icon"
+                            variant="outline"
+                            class="size-8 text-primary"
+                            @click="handleRedownload(task.id)"
+                          >
+                            <RefreshCw class="size-4" />
+                          </Button>
+                        </TooltipTrigger>
+                        <TooltipContent>再次下载</TooltipContent>
+                      </Tooltip>
+                      <!-- 取消下载（二次点击确认） -->
+                      <Tooltip v-if="task.status !== 'complete' && task.status !== 'cancelled'">
+                        <TooltipTrigger as-child>
+                          <Button
+                            size="icon"
+                            variant="ghost"
+                            class="size-8 text-destructive hover:text-destructive"
+                            :class="{ 'font-bold': cancelArmed[task.id] }"
+                            @click="handleCancel(task.id)"
+                          >
+                            <XCircle class="size-4" />
+                          </Button>
+                        </TooltipTrigger>
+                        <TooltipContent>{{ cancelArmed[task.id] ? '再点一次确认取消' : '取消（再点一次确认）' }}</TooltipContent>
+                      </Tooltip>
                       <Tooltip>
                         <TooltipTrigger as-child>
                           <Button
@@ -940,7 +1190,7 @@ const toggleSortOrder = () => {
                         </TooltipTrigger>
                         <TooltipContent>详细信息</TooltipContent>
                       </Tooltip>
-                      <Tooltip v-if="task.dir">
+                      <Tooltip v-if="task.dir && task.status !== 'cancelled'">
                         <TooltipTrigger as-child>
                           <Button
                             size="icon"
@@ -968,8 +1218,9 @@ const toggleSortOrder = () => {
                       </Tooltip>
                     </div>
                   </div>
-                  <Progress :model-value="getProgress(task)" class="h-1.5" />
+                  <!-- 已取消任务不展示进度条与进度（进度与文件均已清除） -->
-                  <div class="flex justify-between mt-1 text-xs text-muted-foreground">
+                  <Progress v-if="task.status !== 'cancelled'" :model-value="getProgress(task)" class="h-1.5" />
+                  <div v-if="task.status !== 'cancelled'" class="flex justify-between mt-1 text-xs text-muted-foreground">
                     <span>{{ getProgress(task) }}%</span>
                     <span v-if="task.status === 'active' && task.speed > 0">
                       {{ formatEta(getEta(task)) }}
@@ -1153,6 +1404,60 @@ const toggleSortOrder = () => {
               </CardContent>
             </Card>
 
+            <!-- BT 专属设置 -->
+            <Card>
+              <CardHeader>
+                <CardTitle class="flex items-center gap-2 text-base">
+                  <Zap class="size-4 text-primary" />
+                  BitTorrent 设置
+                </CardTitle>
+              </CardHeader>
+              <CardContent class="flex flex-col gap-3">
+                <div class="flex flex-col gap-1.5">
+                  <Label class="text-xs">上传限速 KB/s（0=不限）</Label>
+                  <Input
+                    :model-value="settingsDraft?.btUploadLimitKb ?? 0"
+                    type="number"
+                    min="0"
+                    @update:model-value="(v: string | number) => settingsDraft && (settingsDraft.btUploadLimitKb = parseInt(String(v)) || 0)"
+                  />
+                </div>
+                <div class="flex flex-col gap-1.5">
+                  <Label class="text-xs">监听端口（0=自动选择）</Label>
+                  <Input
+                    :model-value="settingsDraft?.btListenPort ?? 0"
+                    type="number"
+                    min="0"
+                    max="65535"
+                    @update:model-value="(v: string | number) => settingsDraft && (settingsDraft.btListenPort = parseInt(String(v)) || 0)"
+                  />
+                  <p class="text-xs text-muted-foreground">下载完成后继续上传做种需要对外开放连接端口。修改端口后重启应用生效。</p>
+                </div>
+                <div class="flex items-center justify-between">
+                  <div class="flex flex-col gap-0.5">
+                    <Label for="bt-proxy" class="cursor-pointer">使用代理下载</Label>
+                    <span class="text-xs text-muted-foreground">开启后自动使用代理模块（mihomo）的 SOCKS5 端口；代理不可用时自动降级为直连</span>
+                  </div>
+                  <Switch
+                    id="bt-proxy"
+                    :model-value="settingsDraft?.btUseProxy ?? false"
+                    @update:model-value="(v: boolean) => settingsDraft && (settingsDraft.btUseProxy = v)"
+                  />
+                </div>
+                <div class="flex items-center justify-between">
+                  <div class="flex flex-col gap-0.5">
+                    <Label for="bt-seed" class="cursor-pointer">下载完成后继续做种上传</Label>
+                    <span class="text-xs text-muted-foreground">关闭则下载完成后立即停止上传（节省流量，推荐）</span>
+                  </div>
+                  <Switch
+                    id="bt-seed"
+                    :model-value="settingsDraft?.btSeedAfterDownload ?? false"
+                    @update:model-value="(v: boolean) => settingsDraft && (settingsDraft.btSeedAfterDownload = v)"
+                  />
+                </div>
+              </CardContent>
+            </Card>
+
             <!-- 扩展 API 设置 -->
             <Card>
               <CardHeader>
@@ -1452,6 +1757,68 @@ const toggleSortOrder = () => {
       </DialogContent>
     </Dialog>
 
+    <!-- ===== BT 种子文件勾选弹窗（元数据解析成功后弹出） ===== -->
+    <Dialog v-model:open="btSelectOpen">
+      <DialogContent class="max-w-xl max-h-[80vh] flex flex-col">
+        <DialogHeader>
+          <DialogTitle class="flex items-center gap-2">
+            <ListChecks class="size-4 text-primary" />
+            选择要下载的文件
+          </DialogTitle>
+          <DialogDescription class="text-xs">
+            <span class="block break-all font-medium">"{{ btSelectTask?.filename }}"</span>
+            <span class="block mt-0.5">已解析完成，默认全选，可取消不需要的文件。</span>
+            <span v-if="btSelectQueue.length > 1">（还有 {{ btSelectQueue.length - 1 }} 个任务待选择）</span>
+          </DialogDescription>
+        </DialogHeader>
+
+        <ScrollArea class="flex-1 min-h-0 pr-3">
+          <div v-if="btSelectTask && btSelectTask.btFiles.length" class="flex flex-col gap-2 py-2">
+            <div class="flex items-center justify-between gap-2">
+              <span class="text-xs text-muted-foreground truncate">{{ btSelectTask.btFiles.length }} 个文件</span>
+              <Button
+                size="sm"
+                variant="outline"
+                class="h-7 px-2 text-xs shrink-0"
+                @click="btnSetAll(!btnIsAll())"
+              >
+                <Check v-if="btnIsAll()" class="size-3" />
+                <Square v-else class="size-3" />
+                {{ btnIsAll() ? '全不选' : '全选' }}
+              </Button>
+            </div>
+            <div class="flex flex-col gap-1 max-h-64 overflow-y-auto">
+              <label
+                v-for="f in btSelectTask.btFiles"
+                :key="f.index"
+                class="flex items-center gap-2 text-xs rounded px-1.5 py-1 hover:bg-muted cursor-pointer"
+              >
+                <input
+                  type="checkbox"
+                  class="accent-primary size-3.5"
+                  :checked="btSelectEntry?.selected.includes(f.index)"
+                  @change="btnToggleFile(f.index)"
+                />
+                <span class="truncate flex-1">{{ f.path }}</span>
+                <span class="text-muted-foreground shrink-0">{{ formatSize(f.size) }}</span>
+              </label>
+            </div>
+            <div class="text-xs text-muted-foreground flex justify-end">
+              已选 {{ btSelectEntry?.selected.length ?? 0 }}/{{ btSelectTask.btFiles.length }} 文件 · {{ formatSize(btnSelectedSize()) }}
+            </div>
+          </div>
+        </ScrollArea>
+
+        <DialogFooter>
+          <Button variant="outline" @click="onBtFileCancel">取消</Button>
+          <Button @click="onBtFileConfirm">
+            <Download class="size-4" />
+            开始下载
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+
     <!-- ===== 新建下载弹窗 ===== -->
     <Dialog v-model:open="addDialogOpen">
       <DialogContent class="max-w-lg">
@@ -1461,7 +1828,7 @@ const toggleSortOrder = () => {
             新建下载
           </DialogTitle>
           <DialogDescription class="text-xs">
-            支持 HTTP/HTTPS 直链，每行一个 URL。留空下载目录则使用默认目录。
+            支持 HTTP/HTTPS 直链、磁力链接（magnet:）与 .torrent 种子文件（本地文件或 http(s) 链接），每行一个。留空下载目录则使用默认目录。
           </DialogDescription>
         </DialogHeader>
 
@@ -1471,9 +1838,18 @@ const toggleSortOrder = () => {
             <Label class="text-xs">下载链接</Label>
             <Textarea
               v-model="addUriText"
-              placeholder="https://example.com/file.zip&#10;https://example.com/file2.zip"
+              placeholder="https://example.com/file.zip&#10;magnet:?xt=urn:btih:...&#10;C:\path\to\file.torrent"
               class="min-h-[120px] font-mono text-sm [field-sizing:fixed] break-all"
             />
+            <Button
+              size="sm"
+              variant="outline"
+              class="h-7 gap-1 px-2 text-xs bg-transparent self-start"
+              @click="handleSelectTorrentFile"
+            >
+              <FolderOpen class="size-3" />
+              选择本地种子文件
+            </Button>
           </div>
 
           <!-- 下载目录 -->
@@ -1529,7 +1905,7 @@ const toggleSortOrder = () => {
             <span class="block font-mono text-xs break-all">{{ duplicateDialogState.url }}</span>
             <span v-if="duplicateDialogState.result?.existing" class="block mt-2 text-xs">
               已存在：
-              <span class="font-medium">{{ duplicateDialogState.result.existing.filename }}</span>
+              <span class="font-medium break-all">{{ duplicateDialogState.result.existing.filename }}</span>
             </span>
             <span class="block mt-2 text-muted-foreground">
               选择"仍然下载"将自动重命名（追加序号），选择"跳过"将不下载此链接。
@@ -1553,7 +1929,9 @@ const toggleSortOrder = () => {
         <AlertDialogHeader>
           <AlertDialogTitle>删除任务</AlertDialogTitle>
           <AlertDialogDescription>
-            确定要删除任务 "{{ removeDialogState.task ? getFileName(removeDialogState.task) : '' }}" 吗？
+            确定要删除任务
+            <span class="block font-mono text-xs break-all mt-1">{{ removeDialogState.task ? getFileName(removeDialogState.task) : '' }}</span>
+            吗？
           </AlertDialogDescription>
         </AlertDialogHeader>
         <div class="flex items-center justify-between py-2 px-1">
@@ -1665,6 +2043,44 @@ const toggleSortOrder = () => {
 
             <Separator />
 
+            <!-- BT 种子信息（磁力/种子任务） -->
+            <template v-if="detailTask.protocol === 'bittorrent'">
+              <div class="flex flex-col gap-2">
+                <span class="text-xs text-muted-foreground">BT 种子信息</span>
+                <div class="flex flex-col gap-1 text-xs">
+                  <div class="flex items-start justify-between gap-2">
+                    <span class="text-muted-foreground shrink-0">Infohash</span>
+                    <span class="font-mono break-all">{{ detailTask.infoHash }}</span>
+                  </div>
+                  <div class="flex justify-between">
+                    <span class="text-muted-foreground">文件数</span>
+                    <span>{{ detailTask.btFiles.length }}</span>
+                  </div>
+                </div>
+                <!-- 文件列表 + 单文件进度（progress 事件经 segments 下发每文件已下载字节） -->
+                <div v-if="detailTask.btFiles.length > 0" class="flex flex-col gap-1.5">
+                  <div
+                    v-for="(f, i) in detailTask.btFiles"
+                    :key="f.index"
+                    class="flex flex-col gap-0.5"
+                  >
+                    <div class="flex items-center justify-between gap-2 text-xs">
+                      <span class="truncate">{{ f.path }}</span>
+                      <span class="text-muted-foreground shrink-0">{{ btFileProgress(detailTask, i) }}%</span>
+                    </div>
+                    <div class="flex items-center gap-2">
+                      <Progress :model-value="btFileProgress(detailTask, i)" class="h-1" />
+                      <span class="text-muted-foreground text-[10px] shrink-0">
+                        {{ formatSize(btFileDownloaded(detailTask, i)) }} / {{ formatSize(f.size) }}
+                      </span>
+                    </div>
+                  </div>
+                </div>
+              </div>
+            </template>
+
+            <Separator />
+
             <!-- 文件大小信息 -->
             <div class="grid grid-cols-2 gap-3">
               <div class="flex flex-col gap-0.5">

src/modules/monitor/MonitorModule.vue

@@ -1109,8 +1109,29 @@ function removeOsdItem(key: string) {
   }
 }
 
+/** 开启 OSD 但监控内核未运行时的提示对话框开关 */
+const osdNeedsKernelOpen = ref(false)
+
+/** 从对话框启动内核：先直接开启 OSD（立即显示），内核在后台自行启动 */
+async function startKernelForOsd() {
+  osdNeedsKernelOpen.value = false
+  // 直接开启 OSD（绕过内联内核检查），store 的 overlayEnabled watch 立即创建/显示悬浮窗
+  osdConfig.value.overlayEnabled = true
+  saveOsdConfigDebounced(osdConfig.value)
+  // 后台启动内核（不 await，不阻塞 OSD 显示；内核就绪后 OSD 自动填充数据）
+  store.start().catch(() => {})
+}
+
 /** OSD 配置项变更时自动保存（防抖：滑块拖动期间不逐帧写盘） */
 function updateOsdConfig(field: keyof OsdConfig, value: unknown) {
+  // 开启 OSD 时，若监控内核未运行，弹出提示并取消本次开启（OSD 依赖内核提供数据）
+  if (field === 'overlayEnabled' && value === true) {
+    const kernelRunning = store.status?.running === true
+    if (!kernelRunning) {
+      osdNeedsKernelOpen.value = true
+      return
+    }
+  }
   ;(osdConfig.value as unknown as Record<string, unknown>)[field] = value
   saveOsdConfigDebounced(osdConfig.value)
 }
@@ -2404,6 +2425,28 @@ watch(() => store.status?.ready, (ready, prev) => {
     </DialogContent>
   </Dialog>
 
+  <!-- 开启 OSD 但监控内核未运行提示 -->
+  <Dialog v-model:open="osdNeedsKernelOpen">
+    <DialogContent class="max-w-md">
+      <DialogHeader>
+        <DialogTitle class="flex items-center gap-2">
+          <TriangleAlert class="size-4 text-amber-500" />
+          需先启动监控内核
+        </DialogTitle>
+        <DialogDescription>
+          OSD 悬浮窗依赖监控内核提供数据。当前内核未运行，请先启动内核后再开启 OSD 显示。
+        </DialogDescription>
+      </DialogHeader>
+      <DialogFooter>
+        <Button variant="outline" @click="osdNeedsKernelOpen = false">取消</Button>
+        <Button @click="startKernelForOsd">
+          <Play class="size-3.5" />
+          启动内核
+        </Button>
+      </DialogFooter>
+    </DialogContent>
+  </Dialog>
+
   <!-- OSD 显示项选择 Dialog -->
   <Dialog v-model:open="osdPickDialogOpen">
     <DialogContent class="max-w-lg">

src/modules/monitor/OsdWindow.vue

@@ -444,6 +444,23 @@ function scheduleMeasure() {
   }, 50)
 }
 
+/** 内容尺寸监视器：内核未启动时显示占位符（如 '--' 很短），数据就绪后实际值更长，
+ *  导致 osd-bar 变宽。仅靠配置变化触发测量不够——需监听 osd-bar 尺寸变化，
+ *  任何内容变宽/变高（数据加载、配置变更）都自动重测上报，驱动主窗口放大。 */
+let resizeObserver: ResizeObserver | null = null
+function observeBarSize() {
+  resizeObserver?.disconnect()
+  resizeObserver = null
+  const root = osdRootEl.value
+  const bar = root?.querySelector<HTMLElement>('.osd-bar')
+  if (!bar) return
+  resizeObserver = new ResizeObserver(() => scheduleMeasure())
+  resizeObserver.observe(bar)
+}
+
+// 根容器就绪后（config 到达、v-if 挂载）开始监视 osd-bar 尺寸变化
+watch(osdRootEl, () => { void nextTick(observeBarSize) })
+
 // ===== 应用鼠标穿透 =====
 // 同时调用 Tauri setIgnoreCursorEvents（处理 webview2 子窗口）和 Rust WS_EX_TRANSPARENT（处理原生窗口）
 // 仅靠原生 WS_EX_TRANSPARENT 不足：Tauri 窗口包含 webview2 子窗口，需两者都设置才能完全穿透
@@ -537,6 +554,9 @@ onUnmounted(() => {
   unlistenFns.forEach(fn => fn())
   // 停止监视线程
   invoke('osd_stop_watch').catch(() => {})
+  // 断开内容尺寸监视器
+  resizeObserver?.disconnect()
+  resizeObserver = null
 })
 </script>
 

src/modules/proxy/ProxyModule.vue

@@ -2,7 +2,8 @@
 import {
   Globe, Play, Square, RotateCw, Power, Zap, Plus, RefreshCw, Trash2,
   Check, AlertCircle, Server, Settings as SettingsIcon, ListChecks,
-  Upload, Link2, Loader2, Download, Timer, Target, FolderOpen, Copy, DownloadCloud
+  Upload, Link2, Loader2, Download, Timer, Target, FolderOpen, Copy, DownloadCloud,
+  Waypoints, ArrowDown, ArrowUp, Activity, X
 } from '@lucide/vue'
 import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
 import { toast } from 'vue-sonner'
@@ -10,7 +11,7 @@ import { invoke } from '@tauri-apps/api/core'
 import { listen, type UnlistenFn } from '@tauri-apps/api/event'
 import { appDataDir } from '@tauri-apps/api/path'
 import { revealItemInDir } from '@tauri-apps/plugin-opener'
-import { useProxyStore, type ProxyNode } from '@/stores/proxyStore'
+import { useProxyStore, type ProxyNode, type ProxyConnection } from '@/stores/proxyStore'
 import { useModuleTabs } from '@/lib/use-module-tabs'
 import { useModuleTabsStore } from '@/stores/moduleTabsStore'
 import { createLogger } from '@/lib/logger'
@@ -84,6 +85,7 @@ const activeTab = ref('overview')
 const tabsStore = useModuleTabsStore()
 const tabsListRef = useModuleTabs('proxy', activeTab, [
   { value: 'overview', label: '概览' },
+  { value: 'connections', label: '连接' },
   { value: 'proxies', label: '节点' },
   { value: 'profiles', label: '订阅' },
   { value: 'settings', label: '设置' }
@@ -141,9 +143,179 @@ const accordionValue = ref<string>('')
 
 // 进程状态轮询
 let statusTimer: ReturnType<typeof setInterval> | null = null
+let trafficTimer: ReturnType<typeof setInterval> | null = null
+let connTimer: ReturnType<typeof setInterval> | null = null
+
+/** 字节 → 人类可读大小（B / KB / MB / GB / TB） */
+function fmtBytes(v: number): string {
+  if (!v && v !== 0) return '--'
+  if (v < 1024) return v + ' B'
+  const units = ['KB', 'MB', 'GB', 'TB']
+  let n = v / 1024
+  let u = 0
+  while (n >= 1024 && u < units.length - 1) {
+    n /= 1024
+    u++
+  }
+  return (n >= 100 ? n.toFixed(0) : n >= 10 ? n.toFixed(1) : n.toFixed(2)) + ' ' + units[u]
+}
+
+/** 速率显示（字节/秒 → /s） */
+function fmtSpeed(v: number): string {
+  return fmtBytes(v) + '/s'
+}
 
 const running = computed(() => store.status.running)
 
+// ===== 连接页签 =====
+/** 当前连接列表（store.connections 可能为 null → 视为空） */
+const connList = computed(() => store.connections ?? [])
+const connFilter = ref('')
+/** 内网/国内/国外 一键过滤（'all' = 全部） */
+const connScopeFilter = ref<'all' | ConnScope>('all')
+/** 一键过滤选项 */
+const scopeFilterOptions: { value: 'all' | ConnScope; label: string }[] = [
+  { value: 'all', label: '全部' },
+  { value: 'direct', label: '国内' },
+  { value: 'proxy', label: '国外' }
+]
+/** 顶部下载/上传速率（复用实时流量快照的整体速率） */
+const connTotalDownloadSec = computed(() => store.traffic?.downloadSpeed ?? 0)
+const connTotalUploadSec = computed(() => store.traffic?.uploadSpeed ?? 0)
+/** 命中规则总数 = 活跃连接数（每条连接命中一条规则） */
+const ruleHitCount = computed(() => connList.value.length)
+/** 按规则聚合当前连接，便于观察哪些规则被频繁命中 */
+const ruleHits = computed(() => {
+  const map = new Map<string, number>()
+  for (const c of connList.value) {
+    const r = c.rule || 'DIRECT'
+    map.set(r, (map.get(r) ?? 0) + 1)
+  }
+  return [...map.entries()]
+    .map(([rule, count]) => ({ rule, count }))
+    .sort((a, b) => b.count - a.count)
+})
+/** 按内网/国内/国外、通用关键词过滤后的连接 */
+const filteredConnections = computed(() => {
+  const q = connFilter.value.trim().toLowerCase()
+  return connList.value.filter((c) => {
+    if (connScopeFilter.value !== 'all' && connScopeOf(c) !== connScopeFilter.value) return false
+    if (!q) return true
+    const process = (c.metadata?.process ?? '').toLowerCase()
+    const host = (c.metadata?.host ?? '').toLowerCase()
+    const rule = (c.rule ?? '').toLowerCase()
+    return process.includes(q) || host.includes(q) || rule.includes(q)
+  })
+})
+/** 连接进程显示名 */
+const connProcess = (c: ProxyConnection) => c.metadata?.process || '未知'
+/** 连接源地址显示（IP:端口） */
+const connSource = (c: ProxyConnection) => {
+  const ip = c.metadata?.sourceIP
+  const port = c.metadata?.sourcePort
+  return ip ? `${ip}${port ? ':' + port : ''}` : '--'
+}
+/** 连接目标显示：优先 host，否则用 IP:端口 */
+const connHost = (c: ProxyConnection) => {
+  const h = c.metadata?.host
+  if (h) return h
+  const ip = c.metadata?.destinationIP
+  const port = c.metadata?.destinationPort
+  return ip ? `${ip}${port ? ':' + port : ''}` : '--'
+}
+
+// ===== 规则中文名 / 内外网判断 =====
+/** 规则类型归一化：忽略大小写与 "-" "_" 空格（订阅里可能写成 DomainSuffix / DOMAIN-SUFFIX） */
+const normRuleType = (s: string) => s.trim().replace(/[-_\s]/g, '').toLowerCase()
+const RULE_CN: Record<string, string> = {
+  // 匹配/动作
+  match: '兜底', final: '兜底', ruleset: '规则集', direct: '直连', reject: '拒绝',
+  // 域名
+  domain: '域名', domainsuffix: '域名后缀', domainkeyword: '域名关键字', domainregex: '域名正则',
+  // 地理 / 站点
+  geoip: '地区', geosite: '域名组', ipasn: 'ASN',
+  // 地址网段
+  ipcidr: 'IP段', ipcidr6: 'IP段(v6)', srcipcidr: '源IP段', srcipcidr6: '源IP段(v6)',
+  dstnet: '目标地址', srcnet: '源地址', network: '网络类型',
+  // 端口
+  srcport: '源端口', dstport: '目标端口', srcportrange: '源端口范围', dstportrange: '目标端口范围',
+  // 进程 / 用户
+  process: '进程', processname: '进程名', processpath: '进程路径', processpathregex: '进程路径正则', uid: '用户ID',
+  // 入站
+  intype: '入站类型', inuser: '入站用户', inname: '入站名称', inport: '入站端口',
+  // 规则集衍生
+  rulesetipcidr: '规则集IP', rulesetipcidr6: '规则集IP(v6)', rulesetdomainsuffix: '规则集域名后缀',
+  rulesetdomainkeyword: '规则集域名关键字', rulesetdomainregex: '规则集域名正则', rulesetgeoip: '规则集地区',
+  // 逻辑
+  and: '与', not: '非', or: '或', subrule: '子规则'
+}
+/** 将 mihomo 规则翻译为中文类型名（仅替换类型关键字，保留匹配内容） */
+const translateRule = (rule: string): string => {
+  const parts = rule.split(',')
+  const mapped = RULE_CN[normRuleType(parts[0])]
+  if (!mapped) return rule
+  return [mapped, ...parts.slice(1)].join(',')
+}
+/**
+ * 连接走向分类：只区分国内/国外。
+ * - direct 国内（未走代理；内网/局域网因代理过滤也已直连，归入国内）
+ * - proxy  国外（已走代理节点；代理多用于访问境外，故视为国外）
+ * 判定依据：链路最后一跳是否为 DIRECT。
+ */
+type ConnScope = 'direct' | 'proxy'
+const connScopeOf = (c: ProxyConnection): ConnScope => {
+  const chain = c.chains
+  if (chain && chain.length) {
+    return chain[chain.length - 1] === 'DIRECT' ? 'direct' : 'proxy'
+  }
+  // 退化：无链路信息时按国内直连兜底
+  return 'direct'
+}
+
+/** 各规则的简短释义（供「规则命中」展示），仅为便于理解，非精确语义 */
+const RULE_DESC: Record<string, string> = {
+  // 匹配/动作
+  match: '未匹配任何规则时的兜底', final: '未匹配任何规则时的兜底', direct: '直连', reject: '拒绝访问',
+  // 域名
+  domain: '完全匹配该域名', domainsuffix: '匹配该域名及其子域名', domainkeyword: '域名包含该关键词', domainregex: '域名按正则匹配',
+  // 地理 / 站点
+  geoip: '按 IP 所属国家/地区', geosite: '按域名所属站点类别', ipasn: '按 IP 所属 ASN 自治域',
+  // 地址网段
+  ipcidr: '匹配该 IP 网段', ipcidr6: '匹配该 IPv6 网段', srcipcidr: '按源 IP 网段', srcipcidr6: '按源 IPv6 网段',
+  dstnet: '按目标 IP/域名', srcnet: '按源 IP/域名', network: '按网络类型（TCP/UDP）',
+  // 端口
+  srcport: '按源端口', dstport: '按目标端口', srcportrange: '按源端口范围', dstportrange: '按目标端口范围',
+  // 进程 / 用户
+  process: '按进程', processname: '按进程名', processpath: '按进程可执行路径', processpathregex: '按进程路径正则',
+  uid: '按 Linux 用户 ID',
+  // 入站
+  intype: '按入站类型', inuser: '按入站用户', inname: '按入站名称', inport: '按入站端口',
+  // 规则集衍生
+  ruleset: '按规则集内容匹配',
+  rulesetipcidr: '匹配规则集中任一 IP 网段', rulesetipcidr6: '匹配规则集中任一 IPv6 网段',
+  rulesetdomainsuffix: '匹配规则集中任一域名后缀', rulesetdomainkeyword: '匹配规则集中任一域名关键字',
+  rulesetdomainregex: '匹配规则集正则', rulesetgeoip: '匹配规则集中任一地区',
+  // 逻辑
+  and: '多个条件同时满足(与)', or: '任一条件满足(或)', not: '取反(非)', subrule: '子规则分发'
+}
+/** 取了某条规则的类型释义；未知类型返回空串 */
+const ruleDesc = (rule: string): string => {
+  return RULE_DESC[normRuleType(rule.split(',')[0])] ?? ''
+}
+/** 断开全部连接 */
+const closeAllConnections = async () => {
+  const ok = await showConfirm({
+    title: '断开全部连接',
+    description: `确定断开当前 ${connList.value.length} 条活跃连接吗？`,
+    confirmText: '断开',
+    destructive: true
+  })
+  if (!ok) return
+  for (const c of [...connList.value]) {
+    await store.closeConnection(c.id).catch(() => {})
+  }
+}
+
 // 伪节点关键词：DIRECT/REJECT/流量/套餐等非具体代理节点
 const PSEUDO_NODE_KEYWORDS = [
   'DIRECT', 'REJECT', 'PASS', 'COMPATIBLE',
@@ -353,6 +525,16 @@ onMounted(() => {
     // 同步系统代理真实状态（注册表可能被外部改动，3s 周期足够感知）
     await store.refreshSystemProxy()
   }, 3000)
+  // 流量采样：运行中每秒拉取一次实时速率/累计流量
+  trafficTimer = setInterval(async () => {
+    if (document.hidden) return
+    if (running.value) await store.refreshTraffic()
+  }, 1000)
+  // 连接列表：仅「连接」页签激活且运行时低频拉取
+  connTimer = setInterval(async () => {
+    if (document.hidden) return
+    if (activeTab.value === 'connections' && running.value) await store.refreshConnections()
+  }, 3000)
   // 页面重新可见时立即刷新一次系统代理状态（切回标签页/从托盘返回主窗口）
   document.addEventListener('visibilitychange', onVisibilityChange)
   // 监听后端自动切换节点完成事件（后台执行，不依赖模块激活）
@@ -363,6 +545,8 @@ onMounted(() => {
 
 onUnmounted(() => {
   if (statusTimer) clearInterval(statusTimer)
+  if (trafficTimer) clearInterval(trafficTimer)
+  if (connTimer) clearInterval(connTimer)
   document.removeEventListener('visibilitychange', onVisibilityChange)
   autoSwitchUnlisten.forEach(fn => fn())
   autoSwitchUnlisten = []
@@ -960,8 +1144,9 @@ tabsStore.registerSave(saveSettingsForm)
   <div class="h-full p-6">
     <Tabs v-model="activeTab" class="h-full flex flex-col">
       <div ref="tabsListRef">
-        <TabsList class="grid w-full grid-cols-4 max-w-md !bg-transparent !p-0 !shadow-none">
+        <TabsList class="grid w-full grid-cols-5 max-w-md !bg-transparent !p-0 !shadow-none">
           <TabsTrigger value="overview" class="gap-1.5"><Globe class="size-3.5" />概览</TabsTrigger>
+          <TabsTrigger value="connections" class="gap-1.5"><Waypoints class="size-3.5" />连接</TabsTrigger>
           <TabsTrigger value="proxies" class="gap-1.5"><Server class="size-3.5" />节点</TabsTrigger>
           <TabsTrigger value="profiles" class="gap-1.5"><ListChecks class="size-3.5" />订阅</TabsTrigger>
           <TabsTrigger value="settings" class="gap-1.5"><SettingsIcon class="size-3.5" />设置</TabsTrigger>
@@ -972,6 +1157,42 @@ tabsStore.registerSave(saveSettingsForm)
       <TabsContent value="overview" class="flex-1 mt-4 tab-animate">
         <ScrollArea class="h-full pr-3">
         <div class="columns-1 md:columns-2 gap-4 [&>*]:mb-4 [&>*]:break-inside-avoid">
+          <!-- 实时流量 -->
+          <Card>
+            <CardHeader>
+              <CardTitle class="flex items-center justify-between text-base">
+                <span class="flex items-center gap-2"><Activity class="size-4 text-primary" />实时流量</span>
+                <Badge v-if="running" variant="outline" class="gap-1 text-xs">
+                  <span class="size-1.5 rounded-full bg-emerald-500" />实时更新
+                </Badge>
+              </CardTitle>
+            </CardHeader>
+            <CardContent class="space-y-4 text-sm">
+              <div class="grid grid-cols-2 gap-4">
+                <div>
+                  <div class="flex items-center gap-1 text-muted-foreground text-xs mb-1">
+                    <ArrowDown class="size-3.5 text-emerald-500" />下载
+                  </div>
+                  <p class="text-lg font-semibold tabular-nums">{{ fmtSpeed(store.traffic?.downloadSpeed ?? 0) }}</p>
+                  <p class="text-xs text-muted-foreground tabular-nums">累计 {{ store.traffic ? fmtBytes(store.traffic.downloadTotal) : '--' }}</p>
+                </div>
+                <div>
+                  <div class="flex items-center gap-1 text-muted-foreground text-xs mb-1">
+                    <ArrowUp class="size-3.5 text-rose-500" />上传
+                  </div>
+                  <p class="text-lg font-semibold tabular-nums">{{ fmtSpeed(store.traffic?.uploadSpeed ?? 0) }}</p>
+                  <p class="text-xs text-muted-foreground tabular-nums">累计 {{ store.traffic ? fmtBytes(store.traffic.uploadTotal) : '--' }}</p>
+                </div>
+              </div>
+              <Separator />
+              <div class="flex items-center justify-between">
+                <span class="flex items-center gap-1.5 text-muted-foreground">
+                  <Waypoints class="size-3.5" />活跃连接
+                </span>
+                <span class="font-semibold tabular-nums">{{ store.traffic?.activeConnections ?? '--' }}</span>
+              </div>
+            </CardContent>
+          </Card>
           <!-- 内核状态 -->
           <Card>
             <CardHeader>
@@ -1436,6 +1657,139 @@ tabsStore.registerSave(saveSettingsForm)
         </ScrollArea>
       </TabsContent>
 
+      <!-- 连接 -->
+      <TabsContent value="connections" class="flex-1 mt-4 tab-animate">
+        <div v-if="!running" key="conn-not-running" class="h-full flex flex-col items-center justify-center text-muted-foreground gap-2 pt-10 pr-10">
+          <Waypoints class="size-12 opacity-30" />
+          <p class="text-sm">mihomo 未运行，请先在概览页启动</p>
+        </div>
+        <div v-else class="h-full flex flex-col gap-4 pr-3">
+          <!-- 顶部统计 -->
+          <div class="grid grid-cols-2 md:grid-cols-4 gap-2">
+            <Card>
+              <CardContent class="py-3">
+                <div class="flex items-center gap-1.5 text-muted-foreground text-xs mb-1"><Waypoints class="size-3.5" />活跃连接</div>
+                <p class="text-xl font-semibold tabular-nums">{{ connList.length }}</p>
+              </CardContent>
+            </Card>
+            <Card>
+              <CardContent class="py-3">
+                <div class="flex items-center gap-1.5 text-muted-foreground text-xs mb-1"><ArrowDown class="size-3.5 text-emerald-500" />下载速率</div>
+                <p class="text-xl font-semibold tabular-nums">{{ fmtSpeed(connTotalDownloadSec) }}</p>
+              </CardContent>
+            </Card>
+            <Card>
+              <CardContent class="py-3">
+                <div class="flex items-center gap-1.5 text-muted-foreground text-xs mb-1"><ArrowUp class="size-3.5 text-rose-500" />上传速率</div>
+                <p class="text-xl font-semibold tabular-nums">{{ fmtSpeed(connTotalUploadSec) }}</p>
+              </CardContent>
+            </Card>
+            <Card>
+              <CardContent class="py-3">
+                <div class="flex items-center gap-1.5 text-muted-foreground text-xs mb-1"><Target class="size-3.5" />命中规则</div>
+                <p class="text-xl font-semibold tabular-nums">{{ ruleHitCount }}</p>
+              </CardContent>
+            </Card>
+          </div>
+
+          <!-- 规则命中分布 -->
+          <Card>
+            <CardHeader class="pb-2">
+              <CardTitle class="text-sm flex items-center gap-2"><Target class="size-3.5 text-primary" />规则命中</CardTitle>
+            </CardHeader>
+            <CardContent class="pt-0">
+              <div v-if="!ruleHits.length" class="text-xs text-muted-foreground py-2">暂无连接</div>
+              <div v-else class="space-y-1.5">
+                <div v-for="r in ruleHits.slice(0, 6)" :key="r.rule" class="flex items-baseline gap-2 text-xs">
+                  <span class="w-1.5 h-1.5 rounded-full bg-primary shrink-0 self-center" />
+                  <span class="font-medium shrink-0">{{ translateRule(r.rule) }}</span>
+                  <span class="flex-1 min-w-0 truncate text-muted-foreground">
+                    <template v-if="ruleDesc(r.rule)">（{{ ruleDesc(r.rule) }}）</template>
+                  </span>
+                  <span class="shrink-0 tabular-nums">×{{ r.count }}</span>
+                </div>
+              </div>
+            </CardContent>
+          </Card>
+
+          <!-- 连接列表 -->
+          <Card class="flex-1 min-h-0 flex flex-col">
+            <CardHeader class="pb-2 space-y-2">
+              <div class="flex items-center justify-between gap-3">
+                <CardTitle class="text-sm flex items-center gap-2"><Waypoints class="size-3.5 text-primary" />当前连接</CardTitle>
+                <div class="flex items-center gap-2">
+                  <Input v-model="connFilter" placeholder="按进程/域名/规则过滤" class="h-8 w-56" />
+                  <Button size="xs" variant="outline" :disabled="!connList.length" @click="closeAllConnections">
+                    <Square class="size-3" />断开全部
+                  </Button>
+                </div>
+              </div>
+              <div class="flex flex-wrap items-center gap-1.5">
+                <span class="text-xs text-muted-foreground">走向：</span>
+                <Button
+                  v-for="s in scopeFilterOptions"
+                  :key="s.value"
+                  size="xs"
+                  :variant="connScopeFilter === s.value ? 'default' : 'outline'"
+                  @click="connScopeFilter = s.value"
+                >{{ s.label }}</Button>
+              </div>
+            </CardHeader>
+            <CardContent class="flex-1 min-h-0 overflow-hidden pt-0">
+              <ScrollArea class="h-full">
+                <table class="w-full text-xs">
+                  <thead class="sticky top-0 z-10 bg-card text-muted-foreground">
+                    <tr class="border-b">
+                      <th class="text-left font-medium py-2 px-2">进程 / 源地址</th>
+                      <th class="text-left font-medium py-2 px-2">目标</th>
+                      <th class="text-left font-medium py-2 px-2">规则</th>
+                      <th class="text-right font-medium py-2 px-2">下载</th>
+                      <th class="text-right font-medium py-2 px-2">上传</th>
+                      <th class="text-center font-medium py-2 px-2"></th>
+                    </tr>
+                  </thead>
+                  <tbody>
+                    <tr v-for="c in filteredConnections" :key="c.id" class="border-b last:border-0 hover:bg-muted/40">
+                      <td class="py-2 px-2 align-baseline">
+                        <span class="font-medium truncate block max-w-[140px]">{{ connProcess(c) }}</span>
+                        <span class="text-muted-foreground">{{ connSource(c) }}</span>
+                      </td>
+                      <td class="py-2 px-2 align-baseline">
+                        <div class="flex items-center gap-1.5">
+                          <Badge
+                            v-if="connScopeOf(c) === 'direct'"
+                            variant="outline" class="h-4 px-1.5 text-[10px] shrink-0 border-emerald-500 text-emerald-500"
+                          >国内</Badge>
+                          <Badge
+                            v-else
+                            variant="outline" class="h-4 px-1.5 text-[10px] shrink-0 border-sky-500 text-sky-500"
+                          >国外</Badge>
+                          <span class="truncate block max-w-[140px]">{{ connHost(c) }}</span>
+                        </div>
+                        <span class="text-muted-foreground">{{ c.metadata?.network }} / {{ c.metadata?.type }}</span>
+                      </td>
+                      <td class="py-2 px-2 align-baseline text-muted-foreground">
+                        <span class="truncate block max-w-[160px]">{{ translateRule(c.rule || 'DIRECT') }}</span>
+                      </td>
+                      <td class="py-2 px-2 text-right tabular-nums align-baseline">{{ fmtBytes(c.download) }}</td>
+                      <td class="py-2 px-2 text-right tabular-nums align-baseline">{{ fmtBytes(c.upload) }}</td>
+                      <td class="py-2 px-2 text-center align-baseline">
+                        <Button size="icon" variant="ghost" class="size-6" title="断开连接" @click="store.closeConnection(c.id)">
+                          <X class="size-3.5" />
+                        </Button>
+                      </td>
+                    </tr>
+                    <tr v-if="!connList.length">
+                      <td colspan="6" class="text-center text-muted-foreground py-8">暂无活跃连接</td>
+                    </tr>
+                  </tbody>
+                </table>
+              </ScrollArea>
+            </CardContent>
+          </Card>
+        </div>
+      </TabsContent>
+
       <!-- 节点 -->
       <TabsContent value="proxies" class="flex-1 mt-4 tab-animate">
         <div v-if="!running" key="not-running" class="h-full flex flex-col items-center justify-center text-muted-foreground gap-2 pt-10 pr-10">

src/modules/tray/TrayMenu.vue

@@ -426,13 +426,25 @@ onMounted(async () => {
   mq.addEventListener('change', onThemeChange)
   unlistenFns.push(() => mq.removeEventListener('change', onThemeChange))
 
+  // 右键显示的合并窗口：浏览器/线程内收到 tray-menu-show（基础状态、菜单较小）后，
+  // 不给 150ms 窗口等完整状态（含节点）到达，再一次性定位显示最终尺寸。
+  // 避免"先以小菜单显示 → 节点数据到达 → 可见后二次 resize"造成的闪烁。
+  let menuJustShown = 0 // 本次显示窗口内是否处于"等待合并完整状态"阶段
+  let finalizeTimer = 0
+
   unlistenFns.push(await listen<TrayMenuState>('tray-menu-show', async (event) => {
     await applyTheme()
     Object.assign(state, event.payload)
     osdVisible.value = readOsdVisible()
     // 显示前重置上次残留的下拉/焦点状态（双保险）
     resetMenuState()
-    await measureAndShow()
+    // 开始合并窗口：等待完整状态，结束时才显示
+    menuJustShown = Date.now()
+    window.clearTimeout(finalizeTimer)
+    finalizeTimer = window.setTimeout(async () => {
+      menuJustShown = 0
+      await measureAndShow()
+    }, 150)
   }))
 
   // 菜单失焦（点击其他位置自动隐藏）时重置下拉框与焦点，避免下次打开时残留
@@ -440,12 +452,12 @@ onMounted(async () => {
     if (!focused) resetMenuState()
   }))
 
-  // 仅更新状态数据，不重新显示窗口。
+  // - 显示流程的合并窗口内：完整状态补充到达，仅合并数据，让 finalizeTimer 统一显示
   // - 动作完成后的状态更新：菜单已隐藏，只更新数据（不重新弹出）
-  // - 右键后完整状态补充到达（基础状态先行显示，节点数据异步跟上）：
+  // - 超时后（mihomo 慢）node 数据补充到达且菜单已可见：重新测量调整尺寸（兜底）
-  //   菜单可见时重新测量调整窗口尺寸（tray_menu_ready 幂等，重新定位+resize，不会重复显示动画）
   unlistenFns.push(await listen<TrayMenuState>('tray-menu-state-updated', async (event) => {
     Object.assign(state, event.payload)
+    if (menuJustShown) return // 正处于首次显示的合并窗口，等待 finalize 统一显示
     try {
       const visible = await getCurrentWindow().isVisible()
       if (visible) await measureAndShow()

src/stores/downloaderStore.ts

@@ -9,6 +9,7 @@ import type {
   DownloadTask as BindDownloadTask,
   DownloaderSettings as BindDownloaderSettings,
   CheckUrlResult as BindCheckUrlResult,
+  TorrentInfo as BindTorrentInfo,
   TaskStatus,
 } from '@/lib/bindings'
 
@@ -19,11 +20,14 @@ const logger = createLogger('downloader')
 export type DownloadTask = Required<BindDownloadTask>
 export type DownloaderSettings = Required<BindDownloaderSettings>
 export type CheckUrlResult = Required<BindCheckUrlResult>
+export type TorrentInfo = Required<BindTorrentInfo>
 
 // re-export：跨端类型统一由 bindings 提供，组件从本 store import 的路径保持不变
 export type {
   TaskStatus,
+  TaskProtocol,
   Segment,
+  BtFileInfo,
   DuplicateKind,
   ExistingTaskInfo,
 } from '@/lib/bindings'
@@ -71,6 +75,10 @@ export const useDownloaderStore = defineStore('downloader', () => {
   let completeUnlisten: UnlistenFn | null = null
   let addedUnlisten: UnlistenFn | null = null
   let removedUnlisten: UnlistenFn | null = null
+  let inspectReadyUnlisten: UnlistenFn | null = null
+
+  /** 磁力元数据解析就绪回调（模块注册，用于弹文件勾选对话框） */
+  let btInspectReadyHandler: ((id: string) => void) | null = null
 
   // ===== 任务列表 =====
   const refreshTasks = async () => {
@@ -85,13 +93,26 @@ export const useDownloaderStore = defineStore('downloader', () => {
         if (
           freshTask.status === 'paused' ||
           freshTask.status === 'complete' ||
-          freshTask.status === 'error'
+          freshTask.status === 'error' ||
+          freshTask.status === 'cancelled'
         ) {
           return freshTask
         }
         const local = tasks.value.find(t => t.id === freshTask.id)
         if (!local) return freshTask
-        return { ...local, status: freshTask.status, error: freshTask.error }
+        // 进度/速度沿用本地实时值；但元数据字段（文件名/文件列表/总大小/infohash）
+        // 必须以后端为准 —— 这些只在后台解析完成后才就绪，本地快照在添加时是占位空值，
+        // 若沿用会导致"元数据已解析但勾选对话框仍无文件列表"（旧快照覆盖新元数据）
+        return {
+          ...local,
+          status: freshTask.status,
+          error: freshTask.error,
+          filename: freshTask.filename,
+          btFiles: freshTask.btFiles,
+          btMetadataReady: freshTask.btMetadataReady,
+          infoHash: freshTask.infoHash,
+          totalSize: freshTask.totalSize,
+        }
       })
       tasks.value = merged
     } catch (e) {
@@ -105,9 +126,15 @@ export const useDownloaderStore = defineStore('downloader', () => {
     const task = tasks.value.find((t) => t.id === payload.id)
     if (task) {
       // 终态任务忽略迟到的进度事件（下载完成后 in-flight 事件可能把状态/进度回退）
-      if (task.status === 'complete' || task.status === 'error') return
+      if (task.status === 'complete' || task.status === 'error' || task.status === 'cancelled') return
-      // 已暂停任务忽略仍携带 active 的迟到事件（暂停瞬间发出的旧事件）
+      // 已暂停任务忽略"停止瞬间残留的 active 心跳"（无速度且进度未变化的迟到事件）。
-      if (task.status === 'paused' && payload.status === 'active') return
+      // 真正恢复下载后发来的 active（有速度或进度增长）必须放行，否则恢复后列表一直停留在暂停态
+      if (
+        task.status === 'paused' &&
+        payload.status === 'active' &&
+        payload.speed <= 0 &&
+        payload.completedSize <= task.completedSize
+      ) return
       task.completedSize = payload.completedSize
       task.totalSize = payload.totalSize
       task.speed = payload.speed
@@ -134,19 +161,32 @@ export const useDownloaderStore = defineStore('downloader', () => {
     filename?: string,
     dir?: string,
     headers?: Record<string, string>,
-    autoRename = false
+    autoRename = false,
+    onlyFiles?: number[]
   ): Promise<string> => {
     const id = await commands.downloaderAddTask(
       url,
       filename || null,
       dir || null,
       headers || null,
-      autoRename
+      autoRename,
+      onlyFiles || null
     )
     await refreshTasks()
     return id
   }
 
+  /** 解析磁力链 / .torrent，返回种子信息（文件勾选用） */
+  const inspect = async (input: string): Promise<TorrentInfo> => {
+    return await commands.downloaderInspect(input)
+  }
+
+  /** 磁力任务元数据解析成功后：设置勾选文件并开始下载 */
+  const selectBtFiles = async (id: string, onlyFiles: number[]) => {
+    await commands.downloaderSelectBtFiles(id, onlyFiles)
+    await refreshTasks()
+  }
+
   /** 检查 URL 重复性并探测文件信息 */
   const checkUrl = async (
     url: string,
@@ -171,6 +211,18 @@ export const useDownloaderStore = defineStore('downloader', () => {
     await refreshTasks()
   }
 
+  /** 取消下载：置为已取消、清空进度并删除下载文件，但保留记录 */
+  const cancelTask = async (id: string) => {
+    await commands.downloaderCancelTask(id)
+    await refreshTasks()
+  }
+
+  /** 重新下载已取消/出错的任务 */
+  const redownload = async (id: string) => {
+    await commands.downloaderRedownload(id)
+    await refreshTasks()
+  }
+
   // ===== 设置 =====
   const loadSettings = async () => {
     try {
@@ -250,6 +302,15 @@ export const useDownloaderStore = defineStore('downloader', () => {
         refreshTasks()
       })
     }
+    if (!inspectReadyUnlisten) {
+      inspectReadyUnlisten = await listen<{ id: string }>('download-inspect-ready', async (e) => {
+        // 磁力元数据解析成功：先刷新任务（拿到文件列表），再通知模块弹文件勾选对话框。
+        // 必须 await —— 否则回调读取的 store.tasks 仍是旧快照（btFiles 为空），
+        // 导致勾选对话框无条目、默认选中空数组，进而在后端被 librqbit 秒判为"已完成 0%"
+        await refreshTasks()
+        btInspectReadyHandler?.(e.payload.id)
+      })
+    }
   }
 
   const stopEventListeners = () => {
@@ -269,6 +330,10 @@ export const useDownloaderStore = defineStore('downloader', () => {
       removedUnlisten()
       removedUnlisten = null
     }
+    if (inspectReadyUnlisten) {
+      inspectReadyUnlisten()
+      inspectReadyUnlisten = null
+    }
   }
 
   // ===== 初始化 =====
@@ -281,6 +346,11 @@ export const useDownloaderStore = defineStore('downloader', () => {
   // ===== 工具函数 =====
   const openDir = (path: string) => commands.downloaderOpenDir(path)
 
+  /** 注册磁力元数据就绪回调（模块传入处理函数，替换式） */
+  const setBtInspectReadyHandler = (handler: ((id: string) => void) | null) => {
+    btInspectReadyHandler = handler
+  }
+
   return {
     // state
     tasks,
@@ -290,10 +360,14 @@ export const useDownloaderStore = defineStore('downloader', () => {
     // tasks
     refreshTasks,
     addTask,
+    inspect,
+    selectBtFiles,
     checkUrl,
     pauseTask,
     resumeTask,
     removeTask,
+    cancelTask,
+    redownload,
     // settings
     loadSettings,
     saveSettings,
@@ -307,6 +381,7 @@ export const useDownloaderStore = defineStore('downloader', () => {
     // init
     init,
     // utils
+    setBtInspectReadyHandler,
     openDir
   }
 })

src/stores/monitorStore.ts

@@ -261,14 +261,14 @@ function defaultOsdConfig(): OsdConfig {
     labelLanguage: 'zh',
     layout: 'single',
     updateIntervalMs: 1000,
-    // 默认关闭点击穿透：关闭后左键可直接拖动悬浮窗
+    // 默认开启点击穿透：悬浮窗不拦截鼠标，需拖动时临时关闭
-    clickThrough: false,
+    clickThrough: true,
     fontColor: '#ffffff',
     fontOpacity: 100,
     bgColor: 'transparent',
     colorThemeEnabled: true,
     colorTheme: { ...DEFAULT_COLOR_THEME },
-    fontStrokeEnabled: false,
+    fontStrokeEnabled: true,
     fontStrokeWidth: 1,
     fontStrokeColor: '#000000',
     alert: { ...DEFAULT_ALERT_CONFIG, maxValues: { ...DEFAULT_ALERT_CONFIG.maxValues } },
@@ -583,11 +583,41 @@ export const useMonitorStore = defineStore('monitor', () => {
     return autoStart.value
   }
 
-  /** 设置"自动启动监控内核"开关 */
+  /** 关闭"自动启动监控内核"时暂存的 OSD 开关状态（开启自动启动时据此恢复） */
+  const OSD_PENDING_KEY = STORAGE_KEYS.monitorOsdPending
+
+  /** 待恢复的 OSD 开关状态：关闭自动启动时记录、开启时按记录恢复。持久化于 localStorage，跨重启有效。 */
+  let pendingOsdEnabled: boolean | null = null
+  try {
+    pendingOsdEnabled = JSON.parse(localStorage.getItem(OSD_PENDING_KEY) ?? 'null')
+  } catch { /* 忽略非法缓存，视为无恢复记录 */ }
+
+  /**
+   * 设置"自动启动监控内核"开关。
+   * 与 OSD 开关联动（OSD 开关本身可自由开关）：
+   *  - 开→关：记录当前 OSD 开关状态，再关闭 OSD（OSD 依赖内核随应用启动）
+   *  - 关→开：若记录状态为开，则恢复 OSD 显示
+   */
   async function setAutoStart(enabled: boolean) {
     try {
       await invoke('monitor_set_auto_start', { enabled })
       autoStart.value = enabled
+      if (!enabled) {
+        // 关闭时记录当前 OSD 状态，随后由 overlayEnabled watch 统一隐藏悬浮窗
+        pendingOsdEnabled = osdConfig.value.overlayEnabled
+        try { localStorage.setItem(OSD_PENDING_KEY, JSON.stringify(pendingOsdEnabled)) } catch { /* 忽略 */ }
+        osdConfig.value.overlayEnabled = false
+        saveOsdConfig(osdConfig.value)
+      } else {
+        // 开启时若有记录且曾为开，恢复 OSD 显示
+        if (pendingOsdEnabled === true) {
+          osdConfig.value.overlayEnabled = true
+          saveOsdConfig(osdConfig.value)
+        }
+        // 消费记录，避免下次开启再次恢复
+        pendingOsdEnabled = null
+        try { localStorage.removeItem(OSD_PENDING_KEY) } catch { /* 忽略 */ }
+      }
     } catch (e) {
       errorMsg.value = String(e)
       logger.error('设置自动启动开关失败: ' + e)
@@ -758,67 +788,172 @@ export const useMonitorStore = defineStore('monitor', () => {
   /** 根据显示项估算悬浮窗窗口尺寸（逻辑像素）
    *  single: 单行分组式，组间用 | 分隔，固定宽度数据列
    *  group: 分组横排，标题在上 + 数据列在下
-   *  multiline: 多行，每组一行，标题 + 固定宽度数据列 */
+   *  multiline: 多行，每组一行，标题 + 固定宽度数据列
+   *
+   * 宽度严格按 OsdWindow.vue 的渲染结构估算：
+   *  - 标签/箭头里的 CJK 按全角宽度（≈fontSize），ASCII 按等宽（≈0.6em）
+   *  - 数值用 fmtFixedValue 的固定 pad 宽度、单位用 fmtFixedUnit 的文本
+   *  - 计入各类 gap（组内 3px、single 组间 4px、group 组间 8px、项内 gap、单位 margin）
+   *  - 计入 osd-bar 左右 padding（4*2）
+   * 这样创建时的窗口宽度与真实内容一致，避免窗口小于内容而截断，
+   * 也避免因宽度估算偏差导致 computePositionFromPct 的位置百分比偏移。 */
   function computeOsdWindowSize(
     _itemCount: number,
     layout: 'single' | 'group' | 'multiline',
     fontSize: number,
     _hasNetItem = false,
-    items?: OsdItem[],
+    items: OsdItem[] = [],
   ): { w: number; h: number } {
-    const charW = fontSize * 0.62
+    const charW = fontSize * 0.6 // 等宽 ASCII 字符宽（Cascadia/Consolas ≈0.6em）
+    const cjkW = fontSize // CJK 全角字符宽
     const barHPad = 8 // osd-bar 左右 padding 4*2
 
-    // 按硬件类型分组（与渲染逻辑一致）
+    const isCjk = (ch: string) => {
-    const groupMap = new Map<string, OsdItem[]>()
+      const c = ch.codePointAt(0)!
-    if (items?.length) {
+      return (
-      for (const item of items) {
+        (c >= 0x2e80 && c <= 0x9fff) ||
-        let gkey: string
+        (c >= 0x3000 && c <= 0x303f) ||
-        if (item.special === 'net-up' || item.special === 'net-down') gkey = 'network'
+        (c >= 0xff00 && c <= 0xffef) ||
-        else if (item.groupId.startsWith('gpu')) gkey = 'gpu'
+        (c >= 0xf900 && c <= 0xfaff)
-        else gkey = item.groupId
+      )
-        if (!groupMap.has(gkey)) groupMap.set(gkey, [])
+    }
-        groupMap.get(gkey)!.push(item)
+    // 字符串像素宽（CJK 全角，ASCII 等宽）
+    const textPx = (s: string) => {
+      let w = 0
+      for (const ch of s) w += isCjk(ch) ? cjkW : charW
+      return w
+    }
+
+    const showLabel = osdConfig.value?.showLabel !== false
+    const en = osdConfig.value?.labelLanguage === 'en'
+    const groupLabelText = (gkey: string): string => {
+      if (en) {
+        switch (gkey) {
+          case 'cpu': return 'CPU'
+          case 'gpu': return 'GPU'
+          case 'memory': return 'RAM'
+          case 'storage': return 'DISK'
+          case 'network': return 'NET'
+          case 'motherboard': return 'MB'
+          case 'battery': return 'BAT'
+          case 'psu': return 'PSU'
+          default: return gkey.toUpperCase().slice(0, 6)
+        }
+      }
+      switch (gkey) {
+        case 'cpu': return 'CPU'
+        case 'gpu': return 'GPU'
+        case 'memory': return '内存'
+        case 'storage': return '存储'
+        case 'network': return '网络'
+        case 'motherboard': return '主板'
+        case 'battery': return '电池'
+        case 'psu': return '电源'
+        default: return gkey
       }
     }
-    const groupCount = Math.max(1, groupMap.size)
 
-    // 每组数据列宽度：标签(6ch) + 各项(数值+单位+箭头/gap)
+    // 数值固定宽度（字符数，对应 fmtFixedValue 的 pad 宽度）
-    const groupWidths: number[] = []
+    const numChars = (it: OsdItem): number => {
-    for (const [, groupItems] of groupMap) {
+      if (it.special === 'net-up' || it.special === 'net-down') return 6
-      const labelW = 6
+      switch (it.type) {
-      const dataW = groupItems.reduce((sum, item) => {
+        case 'load':
-        const isNet = item.special === 'net-up' || item.special === 'net-down'
+        case 'level':
-        return sum + (isNet ? 11 : 8) + 1
+        case 'temperature': return 3
-      }, 0)
+        case 'power':
-      groupWidths.push(labelW + dataW)
+        case 'voltage': return 5
+        case 'clock':
+        case 'frequency': return 4
+        case 'fan': return 4
+        case 'data':
+        case 'smalldata': return 5
+        default: return 5
+      }
+    }
+    // 单位文本（对应 fmtFixedUnit；网速取最宽单位 MB/s 估算）
+    const showUnit = osdConfig.value?.showUnit !== false
+    const unitText = (it: OsdItem): string => {
+      if (it.special === 'net-up' || it.special === 'net-down') return showUnit ? 'MB/s' : ''
+      if (!showUnit) return ''
+      switch (it.type) {
+        case 'temperature': return '°C'
+        case 'load': return '%'
+        case 'power': return 'W'
+        case 'voltage': return 'V'
+        case 'fan': return 'RPM'
+        case 'clock':
+        case 'frequency': return 'MHz'
+        case 'data':
+        case 'smalldata': return 'GB'
+        case 'level': return '%'
+        default: return it.unit || ''
+      }
+    }
+    // 单一项像素宽：箭头 + 数值 + 单位 + 项内 gap(1px) + 单位 margin(1px)
+    const itemPx = (it: OsdItem): number => {
+      let w = it.special ? charW : 0 // 箭头
+      if (it.special) w += 1 // 箭头与数值 gap
+      w += numChars(it) * charW
+      const unit = unitText(it)
+      if (unit) w += textPx(unit) + 1 + 1 // 数值-单位 gap + 单位 left margin
+      return w
+    }
+    // 一个分组的像素宽：组内各子项 gap(3px) + 标签 + 各项
+    const groupWidthPx = (gkey: string, list: OsdItem[]): number => {
+      const labelW = showLabel ? textPx(groupLabelText(gkey)) : 0
+      const itemsW = list.reduce((s, it) => s + itemPx(it), 0)
+      const gapCount = list.length + (showLabel ? 1 : 0) - 1
+      return Math.ceil(labelW + itemsW + Math.max(0, gapCount) * 3)
     }
 
+    // 构建分组（归一化 key，与渲染逻辑一致）
+    const groupMap = new Map<string, OsdItem[]>()
+    for (const it of items) {
+      let gkey = it.groupId
+      if (it.special === 'net-up' || it.special === 'net-down') gkey = 'network'
+      else if (it.groupId.startsWith('gpu')) gkey = 'gpu'
+      if (!groupMap.has(gkey)) groupMap.set(gkey, [])
+      groupMap.get(gkey)!.push(it)
+    }
+    const groupEntries = [...groupMap.entries()]
+    const groupCount = Math.max(1, groupEntries.length)
+    const gw = groupEntries.map(([k, list]) => groupWidthPx(k, list))
+
+    const lineH = Math.ceil(fontSize + 2)
+
     if (layout === 'multiline') {
-      // 多行：取最宽行
+      // 每行 = 标签(min 4ch) + 组内 gap(4px) + 各项；取最宽行
-      const maxLineW = groupWidths.length ? Math.max(...groupWidths) : 10
+      const labelMinW = 4 * charW
-      const w = Math.ceil(maxLineW * charW + barHPad)
+      let maxLineW = 0
-      const lineH = Math.ceil(fontSize + 2)
+      for (const [gkey, list] of groupEntries) {
-      const h = Math.ceil(groupCount * lineH + 6)
+        const labelW = showLabel ? Math.max(textPx(groupLabelText(gkey)), labelMinW) : 0
-      return { w: Math.max(120, w), h: Math.max(28, h) }
+        const itemsW = list.reduce((s, it) => s + itemPx(it), 0)
+        const gapCount = list.length + (showLabel ? 1 : 0) - 1
+        maxLineW = Math.max(maxLineW, labelW + itemsW + Math.max(0, gapCount) * 4)
+      }
+      const w = Math.max(120, Math.ceil(maxLineW + barHPad))
+      const h = Math.max(28, Math.ceil(groupCount * lineH + 6))
+      return { w, h }
     }
 
     if (layout === 'group') {
-      // 分组横排：各组横排 + 标题行
+      // 分组横排：各组横排，组间 gap(8px)，每组含 padding(4*2)
-      const totalW = groupWidths.reduce((s, w) => s + w + 4, 0) + (groupCount - 1) * 4
+      const totalW = gw.reduce((s, w) => s + w, 0)
-      const w = Math.ceil(totalW * charW + barHPad)
+        + groupCount * 8 // 每组左右 padding 4*2
+        + Math.max(0, groupCount - 1) * 8 // 组间 gap
+      const w = Math.max(120, Math.ceil(totalW + barHPad))
       const titleH = Math.ceil(fontSize * 0.85) + 2
-      const dataH = Math.ceil(fontSize) + 2
+      const dataH = lineH
-      const h = Math.ceil(titleH + dataH + 10)
+      const h = Math.max(40, Math.ceil(titleH + dataH + 3 + 3))
-      return { w: Math.max(120, w), h: Math.max(40, h) }
+      return { w, h }
     }
 
-    // single：单行分组式，各组横排 + 组间 | 分隔符(1ch)
+    // single：单行分组式，组间 | 分隔符 + 组间 gap(4px)
-    const sepW = (groupCount - 1) * 1
+    const sepW = (groupCount - 1) * (textPx('|') + 4)
-    const totalW = groupWidths.reduce((s, w) => s + w, 0) + sepW
+    const betweenW = Math.max(0, groupCount - 1) * 4
-    const w = Math.ceil(totalW * charW + barHPad)
+    const w = Math.max(120, Math.ceil(gw.reduce((s, w) => s + w, 0) + sepW + betweenW + barHPad))
-    const h = Math.ceil(fontSize + 8)
+    const h = Math.max(28, Math.ceil(fontSize + 8))
-    return { w: Math.max(120, w), h: Math.max(28, h) }
+    return { w, h }
   }
 
   /** 创建/显示悬浮窗窗口（默认置顶 + NoActivate + 点击穿透） */
@@ -1049,13 +1184,10 @@ export const useMonitorStore = defineStore('monitor', () => {
     // stop 句柄存入 osdWatchStops，dispose 时统一释放，避免模块重挂载后重复注册
 
     // OSD 开关变化时创建/隐藏悬浮窗
+    // 注意：开启 OSD 不再自动开启"应用启动时自动启动监控内核"。
+    // 二者保持独立（双向联动会导致：关自动启动→关 OSD→再开 OSD→自动启动又被强行打开）。
     osdWatchStops.push(watch(() => osdConfig.value.overlayEnabled, (enabled) => {
       if (enabled) {
-        // OSD 显示开启时自动开启"应用启动时自动启动监控内核"，
-        // 使 OSD 持续显示不因重启而中断
-        if (!autoStart.value) {
-          setAutoStart(true).catch(e => logger.error('[OSD] 自动开启 autoStart 失败: ' + e))
-        }
         // 开启时若显示项为空则不创建窗口
         if (osdConfig.value.overlayItems.length === 0) return
         ensureOverlayWindow().catch(e => logger.error('[OSD] 创建悬浮窗失败: ' + e))

src/stores/proxyStore.ts

@@ -12,7 +12,8 @@ import {
   type ProfileMeta,
   type KernelInfo,
   type KernelUpdateInfo,
-  type ProxyStatus
+  type ProxyStatus,
+  type TrafficSnapshot,
 } from '@/lib/bindings'
 
 // Rust 端结构体字段均带 serde(default)，返回必完整；用 Required 收窄 bindings 的 optional，
@@ -53,6 +54,32 @@ export interface ProxiesResponse {
   proxies: Record<string, ProxyNode>
 }
 
+/** mihomo /connections 单条连接（完整字段以原始 JSON 为准，仅取前端用到的部分） */
+export interface ProxyConnection {
+  id: string
+  chains?: string[]
+  rule?: string
+  rulePayload?: string
+  upload: number
+  download: number
+  start: string
+  metadata?: {
+    network?: string
+    type?: string
+    process?: string
+    host?: string
+    sourceIP?: string
+    sourcePort?: number
+    destinationIP?: string
+    destinationPort?: number
+  }
+}
+
+/** mihomo /connections 响应（原始 JSON，字段可能缺失） */
+export interface ConnectionsResponse {
+  connections?: ProxyConnection[]
+}
+
 export interface MihomoVersion {
   version: string
   meta?: boolean
@@ -65,6 +92,10 @@ export const useProxyStore = defineStore('proxy', () => {
   const proxies = ref<Record<string, ProxyNode>>({})
   const settings = ref<FullProxySettings | null>(null)
   const systemProxy = ref(false)
+  /** 实时流量快照（上传/下载速率、会话总量、活跃连接数） */
+  const traffic = ref<TrafficSnapshot | null>(null)
+  /** 当前活跃连接列表（仅连接页签需要时拉取） */
+  const connections = ref<ProxyConnection[] | null>(null)
 
   /** 是否已完成首次加载（避免初始 null/false 导致闪烁误导状态） */
   const initialized = ref(false)
@@ -209,6 +240,40 @@ export const useProxyStore = defineStore('proxy', () => {
     }
   }
 
+  // ---------- 流量 / 连接 ----------
+  /** 刷新实时流量快照（速率 + 会话总量 + 活跃连接数）。失败时保留上一次数据，避免抖动。 */
+  const refreshTraffic = async () => {
+    try {
+      traffic.value = await commands.proxyTraffic()
+    } catch {
+      /* mihomo 瞬时不可用（如重启）时保留上一次数据 */
+    }
+  }
+
+  /** 刷新当前活跃连接列表（原始 /connections）。供「连接」页签低频拉取。 */
+  const refreshConnections = async () => {
+    try {
+      const resp = await invoke<ConnectionsResponse>('proxy_get_connections')
+      connections.value = resp.connections ?? []
+    } catch {
+      /* mihomo 瞬时不可用（如重启）时保留上一次数据 */
+    }
+  }
+
+  /** 关闭指定连接 */
+  const closeConnection = async (id: string) => {
+    try {
+      await commands.proxyCloseConnection(id)
+      // 本地立即移除，无需等下一轮轮询
+      if (connections.value) {
+        connections.value = connections.value.filter((c) => c.id !== id)
+      }
+    } catch (e) {
+      logger.error('关闭连接失败: ' + e)
+      throw e
+    }
+  }
+
   const saveSettings = async (s: FullProxySettings) => {
     await commands.proxySaveSettings(s)
     settings.value = s
@@ -487,6 +552,8 @@ export const useProxyStore = defineStore('proxy', () => {
     proxies,
     settings,
     systemProxy,
+    traffic,
+    connections,
     initialized,
     installing,
     installProgress,
@@ -516,6 +583,10 @@ export const useProxyStore = defineStore('proxy', () => {
     setSystemProxy,
     clearSystemProxy,
     toggleSystemProxy,
+    // traffic & connections
+    refreshTraffic,
+    refreshConnections,
+    closeConnection,
     // kernel update / install
     checkKernelUpdate,
     updateKernel,

vite.config.ts

@@ -65,8 +65,20 @@ export default defineConfig(async () => ({
       }
       : undefined,
     watch: {
-      // 3. tell Vite to ignore watching `src-tauri`
+      // 3. 让 Vite 忽略监听这些大目录，避免 Windows 上 chokidar 递归注册监听句柄
-      ignored: ["**/src-tauri/**"],
+      //    拖慢 dev 冷启动。src-tauri/target 是 Rust 构建产物（本仓库可达 5 万+ 文件、
+      //    数十 GB），默认仅忽略 node_modules/.git/.vite，若被递归遍历，WebView 首屏
+      //    加载会被阻塞几十秒（详见 juejin.cn/post/7657865700393451554）。
+      ignored: [
+        "**/src-tauri/**",
+        "**/node_modules/**",
+        "**/dist/**",
+        "**/release_stage/**",
+        "**/ThingHK/**",
+        "**/.git/**",
+        "**/.idea/**",
+        "**/.vite/**",
+      ],
     },
   },
 }));