fix(dashboard): 迁移 router.beforeEach 到 Vue Router 4 返回值写法

dashboard/src/router/index.ts

@@ -22,7 +22,7 @@ interface AuthStore {
   has_token(): boolean;
 }
 
-router.beforeEach(async (to, from, next) => {
+router.beforeEach(async (to, from) => {
   if (from.name && from.path !== to.path) {
     const loadingStore = useRouterLoadingStore();
     loadingStore.start();
@@ -34,17 +34,17 @@ router.beforeEach(async (to, from, next) => {
 
   // 如果用户已登录且试图访问登录页面，则重定向到首页
   if (to.path === '/auth/login' && auth.has_token()) {
-    return next(auth.returnUrl || '/');
+    return auth.returnUrl || '/';
   }
 
   if (to.matched.some((record) => record.meta.requiresAuth)) {
     if (authRequired && !auth.has_token()) {
       auth.returnUrl = to.fullPath;
-      return next('/auth/login');
-    } else next();
-  } else {
-    next();
+      return '/auth/login';
+    }
   }
+
+  return true;
 });
 
 router.afterEach(() => {