diff --git a/Modbus_communication/Modbus_RTU_Salve/RTU_Salve.cpp b/Modbus_communication/Modbus_RTU_Salve/RTU_Salve.cpp
index fe55266..0443b90 100644
--- a/Modbus_communication/Modbus_RTU_Salve/RTU_Salve.cpp
+++ b/Modbus_communication/Modbus_RTU_Salve/RTU_Salve.cpp
@@ -251,7 +251,10 @@ void Create_Abnormal_Code_01_Response_Message(UINT8 *Requst_Message, UINT8 *Resp
 	Response_Message[0] = Device_ID;
 	Response_Message[1] = Requst_Message[1] + 0x80;
 	Response_Message[2] = 0x01;
-	Response_Message_Len = 3;
+	UINT16 CRC_date = CRC_16(Response_Message, 3);
+	Response_Message[3] = CRC_date >> 8;//CRC_H
+	Response_Message[4] = (UINT8)CRC_date; //CRC_L
+	Response_Message_Len = 5;
 }
 
 /*********************************************************************************************
@@ -266,6 +269,10 @@ void Create_Abnormal_Code_03_Response_Message(UINT8 *Requst_Message, UINT8 *Resp
 	Response_Message[1] = Requst_Message[1] + 0x80;
 	Response_Message[2] = 0x03;
 	Response_Message_Len = 3;
+	UINT16 CRC_date = CRC_16(Response_Message, 3);
+	Response_Message[3] = CRC_date >> 8;//CRC_H
+	Response_Message[4] = (UINT8)CRC_date; //CRC_L
+	Response_Message_Len = 5;
 }
 
 /*********************************************************************************************