diff --git a/Modbus_communication/Modbus_TCP/common.cpp b/Modbus_communication/Modbus_TCP/common.cpp
index 4750310..68ad345 100644
--- a/Modbus_communication/Modbus_TCP/common.cpp
+++ b/Modbus_communication/Modbus_TCP/common.cpp
@@ -281,7 +281,13 @@ string Write_date(int Function_code, unsigned int Operations_Number)
 * 输入    ：    无
 * 输出    ：    MBAP报文头内容
 *********************************************************************************************/
-void Crate_MBAP()
+void Crate_MBAP(UINT8 *Message, int Function_code, unsigned int Operations_Number)
 {
-
+	Message[0] = 0x00;
+	Message[1] = 0x00;
+	Message[2] = 0x00;
+	Message[3] = 0x00;
+	Message[4] = 0x00;
+	Message[5] = Count_Write_date_number(Function_code, Operations_Number) + 0x06;
+	Message[6] = DEVICE_ID;
 }
\ No newline at end of file
diff --git a/Modbus_communication/Modbus_TCP/common.h b/Modbus_communication/Modbus_TCP/common.h
index 8d7c125..7f9b972 100644
--- a/Modbus_communication/Modbus_TCP/common.h
+++ b/Modbus_communication/Modbus_TCP/common.h
@@ -10,6 +10,9 @@
 #pragma comment(lib,"ws2_32.lib")
 using namespace std;
 
+#define DEVICE_ID 0x10   //É豸ID
+
+
 
 bool Check_IP(char* IP);
 bool InitSocket_Version(void);
diff --git a/Modbus_communication/Modbus_TCP/main.cpp b/Modbus_communication/Modbus_TCP/main.cpp
index b63786d..828c3f5 100644
--- a/Modbus_communication/Modbus_TCP/main.cpp
+++ b/Modbus_communication/Modbus_TCP/main.cpp
@@ -1,6 +1,10 @@
 #include "main.h"
 //#include <stdlib.h>
 #define DEVICE_ID 0x10
+void test(UINT8 *Message)
+{
+	Message[7] = 0x10;
+}
 
 int main()
 {
@@ -14,9 +18,10 @@ int main()
 	Message[4] = 0x00;
 	Message[5] = Operations_Number;
 	Message[6] = DEVICE_ID;
-	for (int i = 0; i < 7; i++)
+	test(Message);
+	for (int i = 0; i < 8; i++)
 	{
-			printf("%02X", Message[i]);
+			printf("%02X  ", Message[i]);
 	}
 	
 	getchar();