优化调整

src-tauri/src/download_engine/engine.rs

@@ -761,7 +761,7 @@ impl DownloadEngine {
                 last_time = now;
 
                 // 更新任务状态 + 发送进度事件
-                let total_size = {
+                let (total_size, live_status) = {
                     let mut tasks = engine.inner.tasks.lock().unwrap_or_else(|e| e.into_inner());
                     if let Some(task) = tasks.get_mut(&id_monitor) {
                         task.completed_size = completed;
@@ -771,7 +771,10 @@ impl DownloadEngine {
                                 seg.completed = prog.load(Ordering::Relaxed);
                             }
                         }
-                        task.total_size
+                        // 读取任务实时状态而非硬编码 Active：
+                        // 暂停后监控循环 break 前可能发出的最后一次事件
+                        // 必须携带 Paused，否则前端会把任务状态覆盖回"下载中"
+                        (task.total_size, task.status.clone())
                     } else {
                         break;
                     }
@@ -784,7 +787,7 @@ impl DownloadEngine {
                         completed_size: completed,
                         total_size,
                         speed,
-                        status: TaskStatus::Active,
+                        status: live_status,
                     },
                 );
             }