diff --git a/user-service/src/main/java/com/mh/user/strategy/TempControlStrategy.java b/user-service/src/main/java/com/mh/user/strategy/TempControlStrategy.java
index 678fe55..4d5531e 100644
--- a/user-service/src/main/java/com/mh/user/strategy/TempControlStrategy.java
+++ b/user-service/src/main/java/com/mh/user/strategy/TempControlStrategy.java
@@ -72,6 +72,8 @@ public class TempControlStrategy implements DeviceStrategy {
                     str = str + funCode + registerAddr + "0002" + "04"
                             + ExchangeStringUtil.addZeroForNum(ExchangeStringUtil.decToHex(deviceCodeParamEntity.getDataValue()), 4)
                             + "0001";
+                } else {
+                    str=str+"0300000002";
                 }
                 String checkWord = ExchangeStringUtil.getStrCRC16(str); //CRC16校验
                 str = str + checkWord;