diff --git a/src/main/webapp/WEB-INF/oss/iot/monitor.jsp b/src/main/webapp/WEB-INF/oss/iot/monitor.jsp
index 813841c..cced03f 100644
--- a/src/main/webapp/WEB-INF/oss/iot/monitor.jsp
+++ b/src/main/webapp/WEB-INF/oss/iot/monitor.jsp
@@ -700,7 +700,7 @@
                     reportFlag = '0'
                 }
                 if (reportFlag == '0') {
-                    if (lastTime + 60 * 5 * 1000 < new Date().getTime()) {
+                    if (lastTime + 3 * 1000 < new Date().getTime()) {
                         reflash(sceneId);
                         lastTime = new Date().getTime();
                     }