USCIS cannot locate your Chinese marriage certificate, unless you applied for US visa within 5 years and indicated that information; US marriage certificate is preferred by cis, cuz it is unfalsifiable; however, if your US marriage certificate is less than 2 years, your wife may only get the provincial gc, and has to wait for 2 more years for the permanent gc.
I think you applied the wrong gc rule for marrying to us citizen.
may
【在 l*********c 的大作中提到】 : USCIS cannot locate your Chinese marriage certificate, unless you applied : for US visa within 5 years and indicated that information; US marriage : certificate is preferred by cis, cuz it is unfalsifiable; : however, if your US marriage certificate is less than 2 years, your wife may : only get the provincial gc, and has to wait for 2 more years for the : permanent gc.