为提高效率，提问时请提供以下信息，问题描述清晰可优先响应。
- 【TiDB 版本】：v4.0.5，dm版本：1.0.5
- 【问题描述】：dm-worker所在服务器重启了，将dm-worker服务重启后，启动task同步任务报错，报错如下：
“msg”: “[code=36035:class=sync-unit:scope=internal:level=medium] fail to initial unit Sync of subtask hollycas : heartbeat config is different from previous used: serverID not equal, self: 429587219, other: 429560901\ngithub.com/pingcap/dm/pkg/terror.(*Error).Generatef\ \t/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/pkg/terror/terror.go:237\ngithub.com/pingcap/dm/syncer.(*HeartbeatConfig).Equal\ \t/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/syncer/heartbeat.go:67\ngithub.com/pingcap/dm/syncer.GetHeartbeat\ \t/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/syncer/heartbeat.go:105\ github.com/pingcap/dm/syncer.(*Syncer).Init\ \t/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/syncer/syncer.go:392\ngithub.com/pingcap/dm/dm/worker.(*SubTask).Init\ \t/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/dm/worker/subtask.go:136\ngithub.com/pingcap/dm/dm/worker.(*SubTask).Run\ \t/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/dm/worker/subtask.go:179\ngithub.com/pingcap/dm/dm/worker.(*SubTask).Resume\ \t/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/dm/worker/subtask.go:446\ngithub.com/pingcap/dm/dm/worker.(*Worker).handleTask\ \t/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/dm/worker/worker.go:881\ngithub.com/pingcap/dm/dm/worker.(*Worker).Start.func1\ \t/home/jenkins/agent/workspace/build_dm_master/go/src/github.com/pingcap/dm/dm/worker/worker.go:179\ runtime.goexit\ \t/usr/local/go/src/runtime/asm_amd64.s:1357”
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