上游库主键设置自增但是DM报Error 1062: Duplicate entry '52' for key 'PRIMARY'"

tidb 是3.0.2,dm是latest版本,通过dmctl看是

Release Version: v1.0.0-rc.1-23-gc1ba82a
Git Commit Hash: c1ba82ae85632e01febec91132a1c474a087e78f
Git Branch: master
UTC Build Time: 2019-08-16 14:10:46
Go Version: go version go1.12 linux/amd64

上游库建表就是自增的,下游是全量+增量的,不过这周没再发生