bug fix

APP_Framework/Applications/app_test/test_ftp/readme.md

@@ -25,7 +25,7 @@ char recvBuffer[]:输入缓冲区
 打开menuconfig之后，将test_ftp开启(y)，将Using TFcard device 和 Using W5500 as network device 开启(y)保存后退出
 
 ![image](img/03.png)
-编译XiZi-cortex-m3-emulator.elf成功
+编译XiZi-cortex-edu-riscv64.elf成功
 
 ![image](img/04.png)
 启动kflash烧录bin文件，按reset键重置成功进入系统并显示SD卡已挂载

APP_Framework/Applications/app_test/test_ftp/test_ftp.c

@@ -22,7 +22,7 @@ http://license.coscl.org.cn/MulanPSL2
 char sendBuffer[1024];
 char recvBuffer[1024];
 
-//quoted from 
+//quoted from https://kerndev.blog.csdn.net/article/details/89383888
 int SendCommand(char *cmd)
 {
     int ret;
@@ -240,6 +240,3 @@ int TestFtp()
     return 0;
 }
 PRIV_SHELL_CMD_FUNCTION(TestFtp, Implement ftp, PRIV_SHELL_CMD_MAIN_ATTR);
-
-// make BOARD=edu-riscv64
-// sudo kflash -t build/XiZi-edu-riscv64.bin -p /dev/ttyUSB0