修复页面布局导致的首页有时无法路由的bug

app/layouts/default.vue

@@ -48,9 +48,15 @@ const toggleSidebar = () => {
 }
 
 // 监听路由变化，在移动端自动关闭侧边栏
-watch(() => useRoute().path, () => {
+const route = useRoute()
+const stopWatch = watch(() => route.path, () => {
   if (isSidebarOpen.value) {
     isSidebarOpen.value = false
   }
 })
+
+// 组件卸载时清理监听器
+onUnmounted(() => {
+  stopWatch()
+})
 </script>