由于Codeblocks从D盘直接搞到C盘，运行Codeblocks出现一个问题： 显示

Debug" uses an invalid compiler. Probably the toolchain path within the compiler options is not setup correctly?! Skipping...

Nothing to be done.

求助度娘找到答案：settings、compile and debugger setting，

点击Auto-detect，就行了。