回複：回複：I am not Pjiang or 863211老師，my opinion

-----我有證明郵局已經投遞的信息. 我昨天打電話催了，他們說係統裏沒有我的信息，要我等到30個工作日後再問詢。我又問可否再申請個E-file,他們說那你要準備再交一份錢。

--If I were you, I will go ahead to cancel the previous check. And then re-apply EAD--this might be much faster--USCIS is retarded, you have to let them do things in simple ways.