I've checked,cc is not a alias,but it is a link file from /usr/lib/cmplrs/cc/drivers.
I've tried all night, but still has not found any clue.
I posted my question to bugperl. I hope it has a good result.
Any way, Thank you very much.
I am trying to improve my English skills, if you see a mistake please feel free to reply or /msg me a correction