diff --git a/pages/demo/index.vue b/pages/demo/index.vue
index 416e6d4..ed2ecd4 100644
--- a/pages/demo/index.vue
+++ b/pages/demo/index.vue
@@ -238,10 +238,10 @@ export default {
     return {
       // MQTT配置
       mqttConfig: {
-        broker: 'ws://1.94.254.176:9001/mqtt', // 公共测试服务器
+        broker: '', // 公共测试服务器
         clientId: 'uniapp_mqtt_' + Math.random().toString(16).substr(2, 8),
-        username: 'admin',
-        password: 'Admin#12345678',
+        username: '',
+        password: '',
         timeout: 30
       },
       // 连接状态
@@ -349,7 +349,8 @@ export default {
           password: this.mqttConfig.password,
           connectTimeout: (this.mqttConfig.timeout || 30) * 1000,
           keepalive: 60,
-          clean: true
+          clean: true,
+          reconnectPeriod: 0
         }
 
         // 创建客户端并连接