如果我犯了什么错误 你要第一时间告诉我哦 英语如何说

Please let me know if I had done something wrong.
or
If I had done something wrong, please let me know as soon as possible.

If I make mistakes, you have to tell me immediately, OK?

If I make any mistakes, please tell me the right away.

If I make any mistakes, please let me know at once

Please tell me when I make any mistakes.
当我做了错的事情请告诉我

If I have made some mistake, please tell me in a minute!