Sorry for answering in English because we're not offering technical support with other languages. However I can't follow your questions. :-( If possible please re-write in English.

He totally dont know how to use.

Thank you for translating it for me. :-) If then, I think he should check and read https://docs.mudfish.net/en/ documents first though there's no documents in Chinese. Or he should search google or search engine how other people uses mudfish services.