diff --git a/APP_Framework/Framework/connection/industrial_network/Kconfig b/APP_Framework/Framework/connection/industrial_network/Kconfig
index 6a1486e30..2795791b1 100644
--- a/APP_Framework/Framework/connection/industrial_network/Kconfig
+++ b/APP_Framework/Framework/connection/industrial_network/Kconfig
@@ -13,3 +13,12 @@ config CONNECTION_ADAPTER_POWERLINK
     if CONNECTION_ADAPTER_POWERLINK
         source "$APP_DIR/Framework/connection/industrial_network/powerlink/Kconfig"
     endif
+
+config CONNECTION_ADAPTER_FREEMODBUSTCP
+    bool "Using FREEMODBUSTCP on industrial network adapter device"
+    default n
+
+    if CONNECTION_ADAPTER_FREEMODBUSTCP
+        source "$APP_DIR/Framework/connection/industrial_network/freemodbus_tcp/Kconfig"
+    endif
+    
\ No newline at end of file
diff --git a/APP_Framework/Framework/connection/industrial_network/Makefile b/APP_Framework/Framework/connection/industrial_network/Makefile
index 89b0289c9..2196c6baa 100644
--- a/APP_Framework/Framework/connection/industrial_network/Makefile
+++ b/APP_Framework/Framework/connection/industrial_network/Makefile
@@ -8,4 +8,8 @@ ifeq ($(CONFIG_CONNECTION_ADAPTER_ETHERCAT),y)
 	SRC_DIR += ethercat
 endif
 
+ifeq ($(CONFIG_CONNECTION_ADAPTER_FREEMODBUSTCP),y)
+	SRC_DIR += freemodbus_tcp
+endif
+
 include $(KERNEL_ROOT)/compiler.mk
diff --git a/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/Kconfig b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/Kconfig
similarity index 100%
rename from APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/Kconfig
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/Kconfig
diff --git a/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/LwipTcpRecvTest b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/LwipTcpRecvTest
new file mode 100644
index 000000000..2c28feb04
--- /dev/null
+++ b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/LwipTcpRecvTest
@@ -0,0 +1,92 @@
+
+
+void LwipTcpRecvTest(void)
+{
+    uint8_t enet_port = 0; ///< test enet port 0
+
+    lwip_config_net(enet_port, lwip_ipaddr, lwip_netmask, lwip_gwaddr);
+
+    uint8_t *recv_data;
+    socklen_t sin_size;
+    int sock = -1, connected, bytes_received, i;
+    struct sockaddr_in server_addr, client_addr;
+    fd_set readset;
+    struct timeval timeout;
+    sock = socket(AF_INET, SOCK_STREAM, 0);
+    if (sock < 0) {
+        KPrintf("[%s:%d] Socket error!\n", __FILE__, __LINE__);
+        goto __exit;
+    }
+
+    recv_data = (uint8_t *)malloc(128);
+    if (recv_data == NULL) {
+        KPrintf("No memory!\n");
+        goto __exit;
+    }
+
+    //configure tcp server param
+    server_addr.sin_family = AF_INET;
+    server_addr.sin_port = htons(tcp_server_port);
+    server_addr.sin_addr.s_addr = INADDR_ANY;
+    memset(&(server_addr.sin_zero), 0x0, sizeof(server_addr.sin_zero));
+
+    if (bind(sock, (struct sockaddr *)&server_addr, sizeof(struct sockaddr)) == -1) {
+        KPrintf("Unable to bind!\n");
+        goto __exit;
+    }
+
+    if (listen(sock, 5) == -1) {
+        KPrintf("Listen error!\n");
+        goto __exit;
+    }
+
+    timeout.tv_sec = 30;
+    timeout.tv_usec = 0;
+
+    if (setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout)) ==-1) {
+        KPrintf("setsockopt failed!");
+        goto __exit;
+    }
+
+    while (1) {
+        FD_ZERO(&readset);
+        FD_SET(sock, &readset);
+
+        if (select(sock + 1, &readset, NULL, NULL, &timeout) == 0) {
+            continue;
+        }
+
+        sin_size = sizeof(struct sockaddr_in);
+        connected = accept(sock, (struct sockaddr *)&client_addr, &sin_size);
+        while (1) {
+            bytes_received = recv(connected, recv_data, 128, 0);
+            if (bytes_received == 0) {
+                KPrintf("client disconnected (%s, %d)\n",inet_ntoa(client_addr.sin_addr), ntohs(client_addr.sin_port));
+                break;
+            } else if (bytes_received < 0) {
+                KPrintf("recv error, client: (%s, %d)\n",inet_ntoa(client_addr.sin_addr), ntohs(client_addr.sin_port));
+                break;
+            } else {
+                KPrintf("new client connected from (%s, %d)\n",inet_ntoa(client_addr.sin_addr), ntohs(client_addr.sin_port));
+                KPrintf("recv data length %d Bytes\n", bytes_received);
+                for (i = 0; i < bytes_received; i ++) {
+                    KPrintf("data 0x%x\n", recv_data[i]);
+                }
+                if (i = bytes_received) {
+                    KPrintf("\r\n");
+                    memset(recv_data, 0, sizeof(recv_data));
+                }
+            }
+        }
+        if (connected >= 0) {
+            closesocket(connected);
+            connected = -1;
+            break;
+        }
+
+    __exit:
+        if (sock >= 0) closesocket(sock);
+        if (recv_data) free(recv_data);
+}
+SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0) |
+SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN) | SHELL_CMD_PARAM_NUM(0),TCPRecv, LwipTcpRecvTest, TCP Recv message);
\ No newline at end of file
diff --git a/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/Makefile b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/Makefile
similarity index 100%
rename from APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/Makefile
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/Makefile
diff --git a/APP_Framework/lib/freemodbus/mb.c b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mb.c
similarity index 100%
rename from APP_Framework/lib/freemodbus/mb.c
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mb.c
diff --git a/APP_Framework/lib/freemodbus/mb.h b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mb.h
similarity index 100%
rename from APP_Framework/lib/freemodbus/mb.h
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mb.h
diff --git a/APP_Framework/lib/freemodbus/mbconfig.h b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbconfig.h
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbconfig.h
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbconfig.h
diff --git a/APP_Framework/lib/freemodbus/mbframe.h b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbframe.h
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbframe.h
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbframe.h
diff --git a/APP_Framework/lib/freemodbus/mbfunc.h b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfunc.h
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbfunc.h
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfunc.h
diff --git a/APP_Framework/lib/freemodbus/mbfunccoils.c b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfunccoils.c
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbfunccoils.c
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfunccoils.c
diff --git a/APP_Framework/lib/freemodbus/mbfuncdiag.c b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfuncdiag.c
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbfuncdiag.c
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfuncdiag.c
diff --git a/APP_Framework/lib/freemodbus/mbfuncdisc.c b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfuncdisc.c
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbfuncdisc.c
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfuncdisc.c
diff --git a/APP_Framework/lib/freemodbus/mbfuncholding.c b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfuncholding.c
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbfuncholding.c
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfuncholding.c
diff --git a/APP_Framework/lib/freemodbus/mbfuncinput.c b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfuncinput.c
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbfuncinput.c
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfuncinput.c
diff --git a/APP_Framework/lib/freemodbus/mbfuncother.c b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfuncother.c
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbfuncother.c
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbfuncother.c
diff --git a/APP_Framework/lib/freemodbus/mbport.h b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbport.h
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbport.h
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbport.h
diff --git a/APP_Framework/lib/freemodbus/mbproto.h b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbproto.h
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbproto.h
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbproto.h
diff --git a/APP_Framework/lib/freemodbus/mbtcp.c b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbtcp.c
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbtcp.c
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbtcp.c
diff --git a/APP_Framework/lib/freemodbus/mbtcp.h b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbtcp.h
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbtcp.h
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbtcp.h
diff --git a/APP_Framework/lib/freemodbus/mbutils.c b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbutils.c
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbutils.c
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbutils.c
diff --git a/APP_Framework/lib/freemodbus/mbutils.h b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbutils.h
similarity index 100%
rename from APP_Framework/lib/freemodbus/mbutils.h
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/mbutils.h
diff --git a/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/port.h b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/port.h
similarity index 100%
rename from APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/port.h
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/port.h
diff --git a/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/portevent.c b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/portevent.c
similarity index 100%
rename from APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/portevent.c
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/portevent.c
diff --git a/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/portother.c b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/portother.c
similarity index 100%
rename from APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/portother.c
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/portother.c
diff --git a/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/porttcp.c b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/porttcp.c
similarity index 99%
rename from APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/porttcp.c
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/porttcp.c
index e206bfd01..d32950d2b 100644
--- a/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/porttcp.c
+++ b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/porttcp.c
@@ -38,7 +38,7 @@
 
 #include <stdio.h>
 #include <sys/types.h>
-#include <sockets.h> 
+#include <sockets.h>
 #include <string.h>
 #include <unistd.h>
 #include <errno.h>
diff --git a/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/freemodbustcpserver.c b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/tcpserver_sample.c
similarity index 85%
rename from APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/freemodbustcpserver.c
rename to APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/tcpserver_sample.c
index a59723611..5526acae5 100644
--- a/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/freemodbustcpserver.c
+++ b/APP_Framework/Framework/connection/industrial_network/freemodbus_tcp/tcpserver_sample.c
@@ -33,11 +33,13 @@
 #include <errno.h>
 #include <pthread.h>
 #include <signal.h>
+#include <transform.h>
+#include "lwip/sys.h"
+#include "lwip/sockets.h"
 
 /* ----------------------- Modbus includes ----------------------------------*/
 #include "mb.h"
 #include "mbport.h"
-#include "freemodbustcpserver.h"
 
 /* ----------------------- Defines ------------------------------------------*/
 #define PROG            "freemodbus"
@@ -65,6 +67,7 @@ static BOOL     bCreatePollingThread( void );
 static enum ThreadState eGetPollingThreadState( void );
 static void     eSetPollingThreadState( enum ThreadState eNewState );
 static void* pvPollingThread( void *pvParameter );
+int LWIPConnectSocket(uint16_t port);
 
 /* ----------------------- Start implementation -----------------------------*/
 int MBServer()
@@ -74,6 +77,17 @@ int MBServer()
     BOOL            bDoExit;
     usRegHoldingBuf[5] = 123;
     usRegHoldingBuf[7] = 234;
+
+    printf("%s ip %d.%d.%d.%d mask %d.%d.%d.%d gw %d.%d.%d.%d\n", __func__, 
+    192, 168, 250, 233,
+    255, 255, 255, 255,
+    192, 168, 250, 1);
+    uint8_t local_ip[4] = {192,168,250,233};
+    uint8_t gateway[4] = {192,168,250,1};
+    uint8_t netmask[4] = {255,255,255,0};
+    lwip_config_tcp(0, local_ip, netmask, gateway);
+    printf("%s LWIPInit done\n", __func__);
+
     if( eMBTCPInit( MB_TCP_PORT_USE_DEFAULT ) != MB_ENOERR )
     {
         fprintf( stderr, "%s: can't initialize modbus stack!\r\n", PROG );
@@ -88,19 +102,23 @@ int MBServer()
             printf(  "Can't start protocol stack! Already running?\r\n"  );
         }
     }
-    printf("%d %d\n",sizeof(usRegHoldingBuf),__LINE__);
+    printf("%d %d %s\n",sizeof(usRegHoldingBuf),__LINE__,__func__);
+    
     while(1)
     {
         for(int i =0; i<sizeof(usRegHoldingBuf)/2;i++)
         {
             printf("poll recv is %3d\n", usRegHoldingBuf[i]);
             MdelayKTask(100);
-        } 
+        }
     }
   
     return iExitCode;
 }
 
+PRIV_SHELL_CMD_FUNCTION(MBServer, a Mtcp server Demo, PRIV_SHELL_CMD_MAIN_ATTR);  
+
+
 BOOL bCreatePollingThread( void )
 {
     BOOL            bResult;
@@ -249,33 +267,33 @@ eMBErrorCode eMBRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT us
  * @param control_protocol - control protocol pointer
  * @return success : 0 error
  */
-int FreeModbusTcpOpen(struct ControlProtocol *control_protocol)
-{
-    ControlProtocolOpenDef(control_protocol);
-    return 0;
-}
+// int FreeModbusTcpOpen(struct ControlProtocol *control_protocol)
+// {
+//     ControlProtocolOpenDef(control_protocol);
+//     return 0;
+// }
 
-static struct ControlDone FreeModbusTcp_protocol_done = 
-{
-    ._open = FreeModbusTcpOpen,
-    ._close = NULL,
-    ._read = NULL,
-    ._write = NULL,
-    ._ioctl = NULL,
-};
+// static struct ControlDone FreeModbusTcp_protocol_done = 
+// {
+//     ._open = FreeModbusTcpOpen,
+//     ._close = NULL,
+//     ._read = NULL,
+//     ._write = NULL,
+//     ._ioctl = NULL,
+// };
 
-void *ReceivePlcDataTask(void *parameter)
-{
-    MBServer();
-}
+// void *ReceivePlcDataTask(void *parameter)
+// {
+//     MBServer();
+// }
 
 /**
  * @description: Modbus Tcp Server Init
  * @param p_recipe - recipe pointer
  * @return success : 0 error : -1
  */
-int FreeModbusTcpServerInit(struct ControlRecipe *p_recipe)
-{   
-    p_recipe->done = &FreeModbusTcp_protocol_done;
-    return 0;
-}
\ No newline at end of file
+// int FreeModbusTcpServerInit(struct ControlRecipe *p_recipe)
+// {   
+//     p_recipe->done = &FreeModbusTcp_protocol_done;
+//     return 0;
+// }
\ No newline at end of file
diff --git a/APP_Framework/Framework/control/ipc_protocol/Kconfig b/APP_Framework/Framework/control/ipc_protocol/Kconfig
index 371095a70..b6fd0d13f 100755
--- a/APP_Framework/Framework/control/ipc_protocol/Kconfig
+++ b/APP_Framework/Framework/control/ipc_protocol/Kconfig
@@ -14,11 +14,3 @@ if CONTROL_PROTOCOL_MODBUS_UART
         source "$APP_DIR/Framework/control/ipc_protocol/modbus_uart/Kconfig"
 endif
 
-config CONTROL_PROTOCOL_FREEMODBUS_TCP_SERVER
-        bool "Using modbus_tcp_server control protocol"
-        default n
-        select CONTROL_USING_SOCKET
-        select LIB_USING_FREEMODBUS
-if CONTROL_PROTOCOL_FREEMODBUS_TCP_SERVER
-        source "$APP_DIR/Framework/control/ipc_protocol/freemodbustcpserver/Kconfig"
-endif
diff --git a/APP_Framework/Framework/control/ipc_protocol/Makefile b/APP_Framework/Framework/control/ipc_protocol/Makefile
index c2ad32548..a22240e9a 100755
--- a/APP_Framework/Framework/control/ipc_protocol/Makefile
+++ b/APP_Framework/Framework/control/ipc_protocol/Makefile
@@ -6,9 +6,5 @@ ifeq ($(CONFIG_CONTROL_PROTOCOL_MODBUS_UART), y)
 	SRC_DIR := modbus_uart
 endif
 
-ifeq ($(CONFIG_CONTROL_PROTOCOL_FREEMODBUS_TCP_SERVER), y)
-	SRC_DIR := freemodbustcpserver
-endif
-
 include $(KERNEL_ROOT)/compiler.mk
 
diff --git a/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/freemodbustcpserver.h b/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/freemodbustcpserver.h
deleted file mode 100644
index e1a303d6d..000000000
--- a/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/freemodbustcpserver.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef FREEMODBUSTCP_H
-#define FREEMODBUSTCP_H
-
-#include <control_def.h>
-
-#endif
\ No newline at end of file
diff --git a/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/test_recipe.json b/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/test_recipe.json
deleted file mode 100644
index 64661f11b..000000000
--- a/APP_Framework/Framework/control/ipc_protocol/freemodbustcpserver/test_recipe.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-    "device_id": 1,
-    "device_name": "freemodbustcp",
-    "communication_type": 0,
-    "socket_config": {
-        "local_ip": "192.168.250.233",
-        "gateway": "192.168.250.1",
-        "netmask": "255.255.255.0",
-        "port": 502
-    },
-    "protocol_type": 2,
-    "read_period": 100 
-}
\ No newline at end of file
diff --git a/APP_Framework/Framework/control/plc_protocol/cip/ab_cip_helper.c b/APP_Framework/Framework/control/plc_protocol/cip/ab_cip_helper.c
index ddb35a542..bbe9b20f5 100644
--- a/APP_Framework/Framework/control/plc_protocol/cip/ab_cip_helper.c
+++ b/APP_Framework/Framework/control/plc_protocol/cip/ab_cip_helper.c
@@ -220,7 +220,6 @@ cip_error_code_e read_value(int fd, const char *address, int length, byte_array_
 			response.length = BUFFER_SIZE;
 			if (cip_read_response(fd, &response))
 				ret = cip_analysis_read_byte(response, out_bytes);
-				// printf("%s %hu\n",__func__,response.data);
 			free(response.data);
 		}
 		free(core_cmd.data);
diff --git a/APP_Framework/lib/Kconfig b/APP_Framework/lib/Kconfig
index d1838f585..8f9b35eda 100755
--- a/APP_Framework/lib/Kconfig
+++ b/APP_Framework/lib/Kconfig
@@ -15,5 +15,4 @@ menu "app lib"
     source "$APP_DIR/lib/embedded_database/Kconfig"
     source "$APP_DIR/lib/lorawan/Kconfig"
     source "$APP_DIR/lib/mqtt/Kconfig"
-    source "$APP_DIR/lib/freemodbus/Kconfig"
 endmenu
diff --git a/APP_Framework/lib/Makefile b/APP_Framework/lib/Makefile
index 28ba32301..2033da4ac 100644
--- a/APP_Framework/lib/Makefile
+++ b/APP_Framework/lib/Makefile
@@ -22,8 +22,8 @@ ifeq ($(CONFIG_TOOL_USING_MQTT),y)
   SRC_DIR += mqtt
 endif
 
-ifeq ($(CONFIG_LIB_USING_FREEMODBUS),y)
-	SRC_DIR += freemodbus
-endif
+# ifeq ($(CONFIG_LIB_USING_FREEMODBUS),y)
+# 	SRC_DIR += freemodbus
+# endif
 
 include $(KERNEL_ROOT)/compiler.mk
diff --git a/APP_Framework/lib/freemodbus/Kconfig b/APP_Framework/lib/freemodbus/Kconfig
deleted file mode 100755
index af05c629d..000000000
--- a/APP_Framework/lib/freemodbus/Kconfig
+++ /dev/null
@@ -1,5 +0,0 @@
-menu "lib using freemodbus"
-    menuconfig LIB_USING_FREEMODBUS
-        bool "USING freemodbus"
-        default n
-endmenu
diff --git a/APP_Framework/lib/freemodbus/Makefile b/APP_Framework/lib/freemodbus/Makefile
deleted file mode 100755
index a72b1a41e..000000000
--- a/APP_Framework/lib/freemodbus/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-SRC_FILES := $(wildcard ./*.c)
-
-include $(KERNEL_ROOT)/compiler.mk
diff --git a/Ubiquitous/XiZi_IIoT/resources/ethernet/cmd_lwip/Makefile b/Ubiquitous/XiZi_IIoT/resources/ethernet/cmd_lwip/Makefile
index 5cb85ac11..327983fc6 100755
--- a/Ubiquitous/XiZi_IIoT/resources/ethernet/cmd_lwip/Makefile
+++ b/Ubiquitous/XiZi_IIoT/resources/ethernet/cmd_lwip/Makefile
@@ -1,4 +1,4 @@
 # SRC_FILES := ping.c lwip_ping_demo.c lwip_config_demo.c lwip_dhcp_demo.c iperf.c http_test.c
-SRC_FILES := ping.c lwip_ping_demo.c lwip_udp_demo.c tcpecho_raw.c lwip_config_demo.c lwip_dhcp_demo.c
+SRC_FILES := ping.c lwip_ping_demo.c lwip_udp_demo.c tcpecho_raw.c lwip_config_demo.c lwip_dhcp_demo.c lwip_tcp_demo.c
 
 include $(KERNEL_ROOT)/compiler.mk