diff --git a/pages/index/index.vue b/pages/index/index.vue
index eb41ac6..a2e8023 100644
--- a/pages/index/index.vue
+++ b/pages/index/index.vue
@@ -210,6 +210,7 @@ export default {
       // 温度、湿度、Co2、Tvoc、烟雾浓度、光照强度、是否有人、声光报警状态
       deviceInfo: {},
       falt: false,
+      timer: null,
     };
   },
 
@@ -267,6 +268,7 @@ export default {
       });
       const { data, code } = res;
       if (code == 200) {
+        this.falt = true; // 登录成功后显示数据
         uni.setStorageSync("userToken", data.token);
         this.getqueryProjectInfoByKey();
       }
@@ -395,7 +397,7 @@ export default {
         };
         console.log("this.deviceInfo", this.deviceInfo);
         // 定时请求接口，每次结束后等待10秒再请求
-        setTimeout(() => {
+        this.timer = setTimeout(() => {
           this.getAttributes(this.deviceId); // 根据设备id查找设备信息
         }, 30000);
       }
@@ -404,7 +406,15 @@ export default {
   created() {
     this.handleLogin();
   },
-  onShow() {},
+  onShow() {
+    if (this.falt) {
+      this.getAttributes(this.deviceId); // 根据设备id查找设备信息
+    }
+  },
+  // 页面卸载时清除定时器
+  onUnload() {
+    clearTimeout(this.timer);
+  },
 };
 </script>