回复：回复：回复：烦请各位朋友解答485 RFE 问题，非常感谢，在线等

You have no problem now. For the I-485 RFE, you just need to explain in the cover letter that you were qualified to work using H1 Portability based on AC21 after your new employer filed the H1 trtansfer petition, and enclose a copy of your H1 transfer receipt.