首次申请opt, 耗时4个半月

3.29号填写，USCIS 4.2 received. 8.15 USCIS 提醒我有状态更新，New Card Is Being Produced。myaccount 状态还是received. 我估计也是首次申请记录超过4个半月的。经历过签证check 100天之后，我等待opt期间还算淡定。我一学理论物理的，人畜无害，查我那么久，哎！