diff --git a/engine/jobmaster/dm/metadata/job.go b/engine/jobmaster/dm/metadata/job.go
index bc2e11a33f2..d78f22dda91 100644
--- a/engine/jobmaster/dm/metadata/job.go
+++ b/engine/jobmaster/dm/metadata/job.go
@@ -222,6 +222,7 @@ func (jobStore *JobStore) UpdateConfig(ctx context.Context, jobCfg *config.JobCf
 		// task stage will not be updated.
 		if oldTask, ok := oldJob.Tasks[taskID]; ok {
 			newTask.Stage = oldTask.Stage
+			newTask.StageUpdatedTime = oldTask.StageUpdatedTime
 		}
 	}