mxin99

The remaining migration tasks are always 1

1

**The log is as follows：** 2022-11-17 18:34:36.050 INFO 6 --- [cached.thread-6] c.h.i.p.InternalPartitionService : [10.8.183.161]:5701 [dev] [5.1.2] **Remaining migration tasks: 1**. (repartitionTime=Fri Oct 28 20:02:09 CST 2022, **plannedMigrations=271, completedMigrations=271,** remainingMigrations=0, totalCompletedMigrations=542)...