diff --git a/pages/control/index.vue b/pages/control/index.vue
index 5ddb86b..719559c 100644
--- a/pages/control/index.vue
+++ b/pages/control/index.vue
@@ -304,7 +304,7 @@ export default {
       if ((e === 'A' || e==='B' || e==='C')
           && store.getters && store.getters.name === 'admin' ) {
           this.getNewSpecialData(e);
-          this.mqttConfig.subscribeTopic = `frontend/${clientId}/dtu/862538063921866${MQTT_TOPIC_SUFFIX.UP}`;
+          this.mqttConfig.subscribeTopic = `frontend/${clientId}/dtu/862538065276061${MQTT_TOPIC_SUFFIX.UP}`;
       }
       const selectedItem = this.range.find(item => item.value === e);
       if (selectedItem) {
@@ -406,7 +406,6 @@ export default {
       // 3. 确定传感器键名（精简变量名）
       const isAdmin = store.getters?.name === 'admin';
       const sk = (isAdmin && ['A','B','C'].includes(this.imei)) ? IMEI_SENSOR_MAP[this.imei] : IMEI_SENSOR_MAP.A;
-
       // 4. 简化liveData的嵌套三元（核心优化）
       this.liveData = Object.fromEntries(
           Object.entries(sk).map(([k, skVal]) => [
diff --git a/utils/mqtt.js b/utils/mqtt.js
index 1fb8785..645ec1e 100644
--- a/utils/mqtt.js
+++ b/utils/mqtt.js
@@ -78,7 +78,6 @@ export function connectMqtt() {
         console.error('MQTT连接失败：请先调用initMqttConfig初始化配置')
         return false
     }
-    console.info(mqttState.client!=null,mqttState.client)
     // 避免重复连接
     if (mqttState.client!=null) {
         console.log('MQTT已连接，无需重复操作')
@@ -102,6 +101,13 @@ export function connectMqtt() {
         })
 
         mqttState.client.on('close', () => {
+            if (getToken()) {
+                batchUnsubscribe({clientId:mqttState.options.clientId}).then(response => {
+                    if (response.code === 200) {
+                        console.info("取消订阅成功！")
+                    }
+                })
+            }
             console.log('MQTT连接断开')
             mqttState.isConnected = false
         })