添加预算管理功能，重构账单和消息视图，优化路由和组件交互

Web/src/router/index.js

@@ -73,7 +73,7 @@ const router = createRouter({
     {
       path: '/message',
       name: 'message',
-      component: () => import('../views/MessageView.vue'),
+      redirect: { path: '/balance', query: { tab: 'message' } },
       meta: { requiresAuth: true },
     },
     {
@@ -87,6 +87,12 @@ const router = createRouter({
       name: 'log',
       component: () => import('../views/LogView.vue'),
       meta: { requiresAuth: true },
+    },
+    {
+      path: '/budget',
+      name: 'budget',
+      component: () => import('../views/BudgetView.vue'),
+      meta: { requiresAuth: true },
     }
   ],
 })