下载/主界面优化

src/stores/proxyStore.ts

@@ -272,9 +272,39 @@ export const useProxyStore = defineStore('proxy', () => {
     return await invoke<KernelUpdateInfo>('proxy_check_kernel_update')
   }
 
-  const updateKernel = async (mirrorPrefix: string = '') => {
-    await invoke('proxy_update_kernel', { mirrorPrefix })
-    await refreshKernel()
+  /**
+   * 更新内核：复用 installKernel 的完整进度事件机制（installing/installProgress/事件监听）
+   * 与 installKernel 的区别仅在于后端会先 stop mihomo（由调用方在前端控制），
+   * 后端 proxy_update_kernel 与 proxy_install_kernel 共用 install_kernel 实现
+   */
+  const updateKernel = async (mirrorPrefix: string = ''): Promise<void> => {
+    if (installing.value) return
+    installing.value = true
+    installProgress.value = {
+      stage: 'downloading',
+      percent: 0,
+      downloadedBytes: 0,
+      totalBytes: null,
+      message: '准备开始下载...'
+    }
+    if (!progressUnlisten) {
+      progressUnlisten = await listen<InstallProgress>('kernel-install-progress', (e) => {
+        installProgress.value = e.payload
+      })
+    }
+    try {
+      await invoke('proxy_update_kernel', { mirrorPrefix })
+      await refreshKernel()
+    } catch (e) {
+      logger.error('内核更新失败: ' + e)
+      throw e
+    } finally {
+      installing.value = false
+      if (progressUnlisten) {
+        progressUnlisten()
+        progressUnlisten = null
+      }
+    }
   }
 
   /**