diff --git a/src/App.vue b/src/App.vue
index d001ea1..1fb9e3a 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -3,7 +3,7 @@
     <a-layout-sider collapsible v-model:collapsed="isSiderCollapsed"
       :style="{ overflow: 'auto', height: '100vh', left: 0, top: 0, bottom: 0 }">
 
-      <a-menu theme="dark" mode="inline" v-model:selectedKeys="menuSelectedKeys" :items="menuItems"
+      <a-menu inlineIndent=15 theme="dark" mode="inline" v-model:selectedKeys="menuSelectedKeys" :items="menuItems"
         @click="actionMenuItemClick" style="white-space: normal;">
       </a-menu>
     </a-layout-sider>
@@ -86,11 +86,10 @@ function actionMenuItemClick(event) {
 function handleOpenChange(keys) {
   openKeys.value = keys.length ? [keys[keys.length - 1]] : [];
 }
+
 function setupEventWebSocket() {
-  // process.env.NODE_ENV === 'production' ? `/api/${name}` : `http://localhost:80/api/${name}`
-  // const ws = new WebSocket('ws://localhost:80/api/v1/app/ws/event');
-  const ws = new WebSocket(process.env.NODE_ENV === 'production' ? `ws://${window.location.host}:80/api/v1/app/ws/event`
-    : `ws://localhost:80/api/v1/app/ws/event`);
+  let ws = createWebSocket('event');
+
   ws.onmessage = (event) => {
     let report = JSON.parse(event.data);
     console.info(report);
@@ -107,16 +106,17 @@ function setupEventWebSocket() {
         width: 600,
       });
     }
+  };
 
+  ws.onclose = () => {
+    setTimeout(() => {
+      ws = createWebSocket('event');
+    }, 1000);
   };
 }
 
-
 function setupStateUpdateWebSocket() {
-  // const ws = new WebSocket('ws://localhost:80/api/v1/app/ws/state');
-  // const ws = new WebSocket(process.env.NODE_ENV === 'production' ? `/api/v1/app/ws/state` : `ws://localhost:80/api/v1/app/ws/state`);
-  const ws = new WebSocket(process.env.NODE_ENV === 'production' ? `ws://${window.location.host}:80/api/v1/app/ws/state` :
-    `ws://localhost:80/api/v1/app/ws/state`);
+  let ws = createWebSocket('state');
 
   ws.onmessage = (event) => {
     const data = JSON.parse(event.data);
@@ -139,6 +139,18 @@ function setupStateUpdateWebSocket() {
       }
     }
   };
+
+  ws.onclose = () => {
+    setTimeout(() => {
+      ws = createWebSocket('state');
+    }, 1000);
+  };
+}
+
+function createWebSocket(type) {
+  const url = process.env.NODE_ENV === 'production' ? `ws://${window.location.host}:80/api/v1/app/ws/${type}`
+    : `ws://localhost:80/api/v1/app/ws/${type}`;
+  return new WebSocket(url);
 }
 
 function showMessageBoxList() {