diff --git a/APP_Framework/Applications/app_test/test_ftpclient_final/test_ftpclient.c b/APP_Framework/Applications/app_test/test_ftpclient_final/test_ftpclient.c
index b81177641..0c834216c 100644
--- a/APP_Framework/Applications/app_test/test_ftpclient_final/test_ftpclient.c
+++ b/APP_Framework/Applications/app_test/test_ftpclient_final/test_ftpclient.c
@@ -27,7 +27,7 @@ int SendCommand(char *cmd)
 {
     int ret;
     int fd = socket(AF_INET, SOCK_STREAM, 0);
-    ret = send(fd, cmd, (int)strlen(cmd));
+    ret = send(fd, cmd, (int)strlen(cmd),0);
     closesocket(fd);
     if (ret < 0) {
         return 0;
@@ -41,7 +41,7 @@ int RecvRespond(char * respond,int len)
     len -= -1;
     int fd = socket(AF_INET, SOCK_STREAM, 0);
     for (off = 0;off < len;off += ret) {
-        ret = recv(fd,&respond[off],1);
+        ret = recv(fd,&respond[off],1,0);
         if(ret < 0 ){
             printf("recv respond error\r\n");
             closesocket(fd);
@@ -86,7 +86,7 @@ int Login(uint8_t addr[4],int port,char *username,char *password)
     tcp_sock.sin_port = htons(port);
     tcp_sock.sin_addr.s_addr = PP_HTONL(LWIP_MAKEU32(addr[0],addr[1],addr[2],addr[3]));
     memset(&(tcp_sock.sin_zero), 0, sizeof(tcp_sock.sin_zero));
-    ret = connect(SOCKET_CMD, addr, port);
+    ret = connect(cmd_fd, (struct sockaddr *)&tcp_sock, sizeof(struct sockaddr));
     if(ret != 1){
         printf("connect server failed\r\n");
         return 0;
@@ -152,7 +152,6 @@ int GetFileSize(char * name)
 int Download(char *name)
 {
     int fd = socket(AF_INET, SOCK_STREAM, 0);
-    wiz_socket(SOCKET_DATA, Sn_MR_TCP, 12345, 0);
     int len = GetFileSize(name);
     char *buf = malloc(len+1);
     printf("downloading file %s\r\n",name);
@@ -166,7 +165,11 @@ int Download(char *name)
         closesocket(fd);
         return 0;
     }
-    ret = wiz_sock_connect(SOCKET_DATA,addr,port);
+    struct sockaddr_in tcp_sock;
+    tcp_sock.sin_family = AF_INET;
+    tcp_sock.sin_port = htons(port);
+    tcp_sock.sin_addr.s_addr = PP_HTONL(LWIP_MAKEU32(addr[0],addr[1],addr[2],addr[3]));
+    ret = connect(fd,(struct sockaddr *)&addr,port);
     if(ret != 1){
         closesocket(fd);
         printf("fail to connect data port\r\n");
@@ -184,7 +187,7 @@ int Download(char *name)
         return 0;
     }
     for(it = 0;it < len;it += ret){
-        ret = wiz_sock_recv(SOCKET_DATA,((char *)buf + it),len);
+        ret = recv(fd,((char *)buf + it),len,0);
         if(ret<0){
             printf("download was interupted\r\n");
             break;
@@ -200,8 +203,8 @@ int Download(char *name)
     closesocket(fd);
 
     printf("creating file %s ....\r\n",name);
-    int fd=open(name,O_RDWR | O_CREAT);
-    if(fd > 0){
+    int file=open(name,O_RDWR | O_CREAT);
+    if(file > 0){
         ret = write(fd,buf,strlen(buf));
         if(ret < 0 ){
             printf("write failed\r\n");