根据手把手教学搭建的开发平台，为什么编译出现了1个错误一个警告

EngineerZhang · 发表于 2020-6-17 15:58:08

安装完成MDK5.14版本后对正点原子配送的A盘/源代码/库代码/实验一跑马灯实验进行编译，结果出现一个错误一个警告请问怎么解决
Build target 'LED'
linking...
..\OBJ\LED.axf: Warning: L6310W: Unable to find ARM libraries.
..\OBJ\LED.axf: Error: L6411E: No compatible library exists with a definition of startup symbol __main.
Not enough information to list image symbols.
Not enough information to list the image map.
Finished: 2 information, 1 warning and 1 error messages.
"..\OBJ\LED.axf" - 1 Error(s), 1 Warning(s).
Target not created.
Build Time Elapsed: 00:00:02

环境变量如图、option如图、安装包如图，已卸载安装过一次，路径没有中文，求大神指点