diff --git a/dm/tests/checkpoint_transaction/run.sh b/dm/tests/checkpoint_transaction/run.sh
index 5771945384a..63327a413f9 100755
--- a/dm/tests/checkpoint_transaction/run.sh
+++ b/dm/tests/checkpoint_transaction/run.sh
@@ -30,8 +30,7 @@ function run() {
 
 	run_sql_file $cur/data/db1.increment1.sql $MYSQL_HOST1 $MYSQL_PORT1 $MYSQL_PASSWORD1
 	# wait transaction start
-	# you can see why sleep in https://github.com/pingcap/dm/pull/1928#issuecomment-895820239
-	sleep 2
+	check_log_contain_with_retry "receive dml job" $WORK_DIR/worker1/log/dm-worker.log
 	echo "pause task and check status"
 	run_dm_ctl $WORK_DIR "127.0.0.1:$MASTER_PORT" \
 		"pause-task test" \
@@ -57,8 +56,7 @@ function run() {
 
 	run_sql_file $cur/data/db1.increment2.sql $MYSQL_HOST1 $MYSQL_PORT1 $MYSQL_PASSWORD1
 	# wait transaction start
-	# you can see why sleep in https://github.com/pingcap/dm/pull/1928#issuecomment-895820239
-	sleep 2
+	check_log_contain_with_retry "receive dml job" $WORK_DIR/worker1/log/dm-worker.log
 	echo "stop task"
 	run_dm_ctl $WORK_DIR "127.0.0.1:$MASTER_PORT" \
 		"stop-task test" \