CLion was installed for a long time, and finally installed,
First go to the official website to download the CLion installation package: https://www.jetbrains.com/clion/download/#section=windows
After downloading, download mingw-get-setup (1) .exe
Address: https://osdn.net/projects/mingw/downloads/68260/mingw-get-setup.exe/
Just next install
Finally, in CLion, File-setting-Build, Execution, Deployment-Toolchains:
Name:MinGW
Enviroment:G:\Tools\mingw-w64\mingw-w64\x86_64-4.9.2-posix-seh-rt_v3-rev1\mingw64
Other compilers will load automatically. Just click apply.