diff --git a/APP_Framework/Applications/app_test/Makefile b/APP_Framework/Applications/app_test/Makefile
index 7cf98070b..67c64f851 100644
--- a/APP_Framework/Applications/app_test/Makefile
+++ b/APP_Framework/Applications/app_test/Makefile
@@ -134,7 +134,7 @@ ifeq ($(CONFIG_ADD_XIZI_FEATURES),y)
     endif
 
     ifeq ($(CONFIG_USER_TEST_FTPCLIENT),y)
-        SRC_FILES += test_ftpclient/test_ftpclient.c test_ftpclient/ftp_client/ftp_client.c
+        SRC_FILES += test_ftpclient/test_ftpclient.c test_ftpclient/ftp_client/ftp_client.c test_ftpclient_final/test_ftpclient_final.c
     endif
 
     ifeq ($(CONFIG_USER_TEST_LORA_P2P),y)
diff --git a/APP_Framework/Applications/app_test/test_ftpclient/README.md b/APP_Framework/Applications/app_test/test_ftpclient/README.md
index e025c7e37..c8e8f09d8 100644
--- a/APP_Framework/Applications/app_test/test_ftpclient/README.md
+++ b/APP_Framework/Applications/app_test/test_ftpclient/README.md
@@ -1,4 +1,4 @@
-# # 基于矽璓已实现的Lwip，在ARM上实现FTP协议的Client功能
+# 基于矽璓已实现的Lwip，在ARM上实现FTP协议的Client功能
 
 ## 1. 简介
 
@@ -21,7 +21,7 @@ typedef struct ftp_client_struct
 }ftp_client;
 ```
 
-一共实现了 8 个函数，其中 4 个为接口函数，分别为：
+一共实现了 8 个函数，其中 5 个为接口函数，分别为：
 
 - `ftp_cmd`：向 FTP server 发送指令
 - `ftp_downloaddata`：从 FTP server 接收数据
diff --git a/APP_Framework/Applications/app_test/test_ftpclient/ftp_client/ftp_client.c b/APP_Framework/Applications/app_test/test_ftpclient/ftp_client/ftp_client.c
index 2863c2c08..805768f1c 100644
--- a/APP_Framework/Applications/app_test/test_ftpclient/ftp_client/ftp_client.c
+++ b/APP_Framework/Applications/app_test/test_ftpclient/ftp_client/ftp_client.c
@@ -397,15 +397,15 @@ ftp_client *ftp_login(char *addr, char *username, char *password)
 	hints.ai_protocol = IPPROTO_TCP;
 
     /* Connect to control port */
-	if (getaddrinfo(ftp->server_ip, ftp->control_port, &hints, &result) != 0) goto __exit;
+    if (getaddrinfo(ftp->server_ip, ftp->control_port, &hints, &result) != 0) goto __exit;
 
 	for (cur = result; cur != NULL; cur = cur->ai_next) {
-		fd = socket(cur->ai_family, cur->ai_socktype, cur->ai_protocol);
-		if (fd < 0) continue;
-		if (connect(fd, cur->ai_addr, cur->ai_addrlen) == 0) {
-			ftp->control_socket = fd;
-			break;
-		}
+        fd = socket(cur->ai_family, cur->ai_socktype, cur->ai_protocol);
+        if (fd < 0) continue;
+        if (connect(fd, cur->ai_addr, cur->ai_addrlen) == 0) {
+            ftp->control_socket = fd;
+            break;
+        }
 	}
 
 	freeaddrinfo(result);
@@ -517,12 +517,12 @@ int ftp_downloadfile(ftp_client *ftp, char *file_name)
     int f = PrivOpen(name, O_RDWR|O_CREAT);
     /* Read the file */
     while(file_size > file_pos) {
-        if (ftp_downloaddata(ftp->data_socket, 10000, filebuf, 16, &getlen) == 0) {
+        if (ftp_downloaddata(ftp->data_socket, 10000, filebuf, 128, &getlen) == 0) {
             if (getlen) {
                 ret = PrivWrite(f, filebuf, strlen(filebuf));
                 if (ret < 0) {
                     printf("write failed,error:%d\n", ret);
-                    return ret;
+                    goto __exit;
                 }
             } else {
                 ret = -1;
@@ -559,7 +559,6 @@ int ftp_uploadfile(ftp_client *ftp, char *file_name)
     int getlen = 0;
     int file_pos = 0;
     int port = 0;
-    int file_size = 0;
 
     char filebuf[128] = {0};
 
@@ -609,11 +608,20 @@ int ftp_uploadfile(ftp_client *ftp, char *file_name)
         goto __exit;
     }
 
-    /* TODO: update file_size */
+    char name[64];
+    sprintf(name, "/%s", file_name);
+    int f = PrivOpen(name, O_RDONLY);
+    if (f < 0) {
+        printf("Open file error.\n");
+        return -1;
+    }
 
-    while(file_size > file_pos) {
-        /* TODO: read file and update filebuf */
-        if (ftp_uploaddata(ftp->data_socket, filebuf, 128, &getlen) == 0) {
+    while((ret = PrivRead(f, filebuf, 128)) != 0) {
+        if (ret < 0) {
+            printf("read failed.\n");
+            goto __exit;
+        }
+        if (ftp_uploaddata(ftp->data_socket, filebuf, ret, &getlen) == 0) {
             if (!getlen) {
                 ret = -1;
                 goto __exit;
@@ -676,5 +684,6 @@ int ftp_quit(ftp_client *ftp)
     ftp->control_socket = -1;
 
     free(ftp);
+    ftp = NULL;
     return 0;
 }
\ No newline at end of file
diff --git a/APP_Framework/Applications/app_test/test_ftpclient/ftp_client/ftp_client.h b/APP_Framework/Applications/app_test/test_ftpclient/ftp_client/ftp_client.h
index e1dae4247..83663f02d 100644
--- a/APP_Framework/Applications/app_test/test_ftpclient/ftp_client/ftp_client.h
+++ b/APP_Framework/Applications/app_test/test_ftpclient/ftp_client/ftp_client.h
@@ -7,7 +7,7 @@
 
 #include <transform.h>
 
-#define CONTROL_PORT "21"
+#define CONTROL_PORT "9991"
 
 #define NOCMD 0
 #define PASV 1
@@ -36,5 +36,6 @@ typedef struct ftp_client_struct
 
 ftp_client *ftp_login(char *addr, char *username, char *password);
 int ftp_downloadfile(ftp_client *ftp, char *file_name);
+int ftp_uploadfile(ftp_client *ftp, char *file_name);
 int ftp_changedir(ftp_client *ftp, char *dir);
 int ftp_quit(ftp_client *ftp);
\ No newline at end of file
diff --git a/Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/include/lwip/opt.h b/Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/include/lwip/opt.h
index a304c67c2..bd30fef22 100644
--- a/Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/include/lwip/opt.h
+++ b/Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/include/lwip/opt.h
@@ -529,7 +529,7 @@
  * (only needed if you use the sequential API, like api_lib.c)
  */
 #if !defined MEMP_NUM_NETCONN || defined __DOXYGEN__
-#define MEMP_NUM_NETCONN                4
+#define MEMP_NUM_NETCONN                20
 #endif
 
 /**