diff --git a/src/main/webapp/WEB-INF/oss/iot/common/variable_js.jsp b/src/main/webapp/WEB-INF/oss/iot/common/variable_js.jsp
index bc19438..7da1fca 100644
--- a/src/main/webapp/WEB-INF/oss/iot/common/variable_js.jsp
+++ b/src/main/webapp/WEB-INF/oss/iot/common/variable_js.jsp
@@ -48,6 +48,22 @@
             }, delay)
         }
     }
+
+    function throttle(fn, delay) {
+        let _this, args;
+        let previous = 0;
+        return function () {
+            let now = +new Date();
+            _this = this;
+            args = arguments;
+            if (now - previous > delay) {
+                fn.apply(_this, args);
+                previous = now;
+            }
+        }
+    }
+
+
 </script>
 <title><%=ProConfig.PROJECT_NAME%>
 </title>
\ No newline at end of file
diff --git a/src/main/webapp/WEB-INF/oss/iot/monitor.jsp b/src/main/webapp/WEB-INF/oss/iot/monitor.jsp
index cced03f..4b14763 100644
--- a/src/main/webapp/WEB-INF/oss/iot/monitor.jsp
+++ b/src/main/webapp/WEB-INF/oss/iot/monitor.jsp
@@ -651,7 +651,7 @@
     //客户端
     var client;
 
-    var sensorChangeFn = debounce(function (params) {
+    var sensorChangeDebounceFn = debounce(function (params) {
         searchDeviceInfo(params, function (result) {
             let deviceHTML = '';
             for (let i = 0; i < result.length; i++) {
@@ -667,6 +667,10 @@
         })
     }, 1000)
 
+    var sensorChangeThrottleFn = throttle(function (sceneId) {
+        reflash(sceneId);
+    }, 1000)
+
 
     function mqttInit() {
         // 连接选项
@@ -700,12 +704,9 @@
                     reportFlag = '0'
                 }
                 if (reportFlag == '0') {
-                    if (lastTime + 3 * 1000 < new Date().getTime()) {
-                        reflash(sceneId);
-                        lastTime = new Date().getTime();
-                    }
+                    sensorChangeThrottleFn(sceneId);
                 } else if (reportFlag == '1' && sensorID != null && sensorID != '') {
-                    sensorChangeFn({
+                    sensorChangeDebounceFn({
                         scene_id: sceneId,
                         node_data_type: 0,
                         device_code: device_code,