JiangJiaqi90

 两种方式都能取到配置信息，但是迁移的时候依然报同样的错啊

> 1. First of all, ensure database has the record with `id`; > 2. Secondly, ensure whether the table has combining primary keys; Yes, the two is ok. I use...

@xyting ok, thanks!

when I use SaveChangesAsync() it error: System.InvalidOperationException:“A TransactionScope must be disposed on the same thread that it was created.”