add config update API

web/.env.development

@@ -1 +1 @@
-VUE_APP_API_HOST=127.0.0.1:5678
+VUE_APP_WS_HOST=ws://127.0.0.1:5678

web/src/views/Chat.vue

@@ -99,7 +99,7 @@ export default defineComponent({
     window.addEventListener('resize', this.windowResize);
 
     // 初始化 WebSocket 对象
-    const socket = new WebSocket('ws://172.22.11.200:5678/api/chat');
+    const socket = new WebSocket(process.env.VUE_APP_WS_HOST+'/api/chat');
     socket.addEventListener('open', () => {
       console.log('WebSocket 连接已打开');
     });