203号段 case was approved 求问求问

求问
6.26号 new card is being produced
6.27号 case was approved（为啥不是寄卡，而是这个approved）
7.1号 收到approval notice？
大家也有遇到这样的情况吗？
new card is being produced之后我以为是寄卡了啊？
感谢回复！！