DATA RACE found in dispatcher

[asddongmen]

==================
WARNING: DATA RACE
Read at 0x0000125f1910 by goroutine 738:
  github.com/pingcap/ticdc/downstreamadapter/dispatcher.GetDispatcherTaskScheduler()
      /home/dongmen/tigate/downstreamadapter/dispatcher/helper.go:234 +0x78
  github.com/pingcap/ticdc/downstreamadapter/dispatcher.newResendTask()
      /home/dongmen/tigate/downstreamadapter/dispatcher/helper.go:205 +0x84
  github.com/pingcap/ticdc/downstreamadapter/dispatcher.(*Dispatcher).dealWithBlockEvent()
      /home/dongmen/tigate/downstreamadapter/dispatcher/dispatcher.go:488 +0x1936
  github.com/pingcap/ticdc/downstreamadapter/dispatcher.(*Dispatcher).HandleEvents()
      /home/dongmen/tigate/downstreamadapter/dispatcher/dispatcher.go:351 +0x1b51
  github.com/pingcap/ticdc/downstreamadapter/eventcollector.(*EventsHandler).Handle()
      /home/dongmen/tigate/downstreamadapter/eventcollector/helper.go:93 +0x30c
  github.com/pingcap/ticdc/utils/dynstream.(*stream[go.shape.struct { Low uint64 "json:\"low\""; High uint64 "json:\"high\"" },go.shape.struct { Low uint64 "json:\"low\""; High uint64 "json:\"high\"" },go.shape.struct { From *github.com/pingcap/ticdc/pkg/node.ID; github.com/pingcap/ticdc/pkg/common/event.Event },go.shape.*uint8,go.shape.*uint8]).handleLoop()
      /home/dongmen/tigate/utils/dynstream/stream.go:252 +0x7da
  github.com/pingcap/ticdc/utils/dynstream.(*stream[go.shape.struct { Low uint64 "json:\"low\""; High uint64 "json:\"high\"" },go.shape.struct { Low uint64 "json:\"low\""; High uint64 "json:\"high\"" },go.shape.struct { From *github.com/pingcap/ticdc/pkg/node.ID; github.com/pingcap/ticdc/pkg/common/event.Event },go.shape.*uint8,go.shape.*uint8]).start.gowrap2()
      /home/dongmen/tigate/utils/dynstream/stream.go:113 +0x44

Log file:
stdout2.log