diff --git a/intc-modules/intc-iot/src/main/java/com/intc/iot/handler/DeviceDataHandler.java b/intc-modules/intc-iot/src/main/java/com/intc/iot/handler/DeviceDataHandler.java
index d62e65a..de3b53e 100644
--- a/intc-modules/intc-iot/src/main/java/com/intc/iot/handler/DeviceDataHandler.java
+++ b/intc-modules/intc-iot/src/main/java/com/intc/iot/handler/DeviceDataHandler.java
@@ -70,7 +70,7 @@ public class DeviceDataHandler {
      * 太阳能网控上线后缓存属性下发的延迟时间（毫秒）
      * 设备上线后 MQTT 订阅需要一定时间完成，延迟后再下发设置避免失败
      */
-    private static final long SOLAR_PROPERTY_DELAY_MS = 400L;
+    private static final long SOLAR_PROPERTY_DELAY_MS = 5000L;
 
     /**
      * TDengine 服务，用于存储设备时序数据