fix: 资源加载失败时自动刷新页面

- 添加路由错误处理，当动态导入模块失败时自动刷新页面
- 修复 assets 文件不存在时返回 404 错误

backend/cmd/main.go

@@ -262,6 +262,13 @@ func setupEmbeddedFrontend(r *gin.Engine) {
 	}
 
 	r.GET("/assets/*filepath", func(c *gin.Context) {
+		filepath := strings.TrimPrefix(c.Request.URL.Path, "/assets/")
+		file, err := distFS.Open(filepath)
+		if err != nil {
+			c.JSON(404, gin.H{"error": "asset not found"})
+			return
+		}
+		file.Close()
 		c.Header("Cache-Control", "public, max-age=31536000, immutable")
 		c.FileFromFS(c.Request.URL.Path, http.FS(distFS))
 	})

frontend/src/router/index.ts

@@ -13,6 +13,12 @@ const router = createRouter({
   },
 })
 
+router.onError((error) => {
+  if (error.message.includes('Failed to fetch dynamically imported module')) {
+    window.location.reload()
+  }
+})
+
 createRouterGuard(router)
 
 export default router