diff --git a/user-service/src/main/java/com/mh/user/strategy/WtMeterStrategy.java b/user-service/src/main/java/com/mh/user/strategy/WtMeterStrategy.java
index 0c9de64..b7cdf5c 100644
--- a/user-service/src/main/java/com/mh/user/strategy/WtMeterStrategy.java
+++ b/user-service/src/main/java/com/mh/user/strategy/WtMeterStrategy.java
@@ -108,7 +108,7 @@ public class  WtMeterStrategy implements DeviceStrategy {
             String checkStr = dataStr.substring(0, dataStr.length() - 4);//检验报文
             byte[] strOrder = ExchangeStringUtil.hexStrToBinaryStr(checkStr);
             int checkNum = CRC16.CRC16_MODBUS(strOrder);
-            String checkWord = ExchangeStringUtil.decToHex(String.valueOf(checkNum));
+            String checkWord = ExchangeStringUtil.addZeroForNum(ExchangeStringUtil.decToHex(String.valueOf(checkNum)), 4);
             checkWord = checkWord.substring(2, 4) + checkWord.substring(0, 2);
             String sValue = null;
             if (checkWord.equalsIgnoreCase(dataStr.substring(dataStr.length() - 4))) {
@@ -123,7 +123,7 @@ public class  WtMeterStrategy implements DeviceStrategy {
             String checkStr = dataStr.substring(0, dataStr.length() - 4);//检验报文
             byte[] strOrder = ExchangeStringUtil.hexStrToBinaryStr(checkStr);
             int checkNum = CRC16.CRC16_MODBUS(strOrder);
-            String checkWord = ExchangeStringUtil.decToHex(String.valueOf(checkNum));
+            String checkWord = ExchangeStringUtil.addZeroForNum(ExchangeStringUtil.decToHex(String.valueOf(checkNum)), 4);
             checkWord = checkWord.substring(2, 4) + checkWord.substring(0, 2);
             String sValue = null;
             if (checkWord.equalsIgnoreCase(dataStr.substring(dataStr.length() - 4))) {