Greened, but doesn't receive card, Cry!!!! Very worse life

My wife's green card approved but we have not received card yet for 2.5 months, She has been back China, how she get back if cannpot receive GC,  I've filed I-90 for GC loss but may need 6 month annd need biometry, She may never come back USA since she did not have CArd ot AP lose function, Anything I can do??   appreciate reply