diff --git a/dm/tests/lightning_mode/conf/dm-master.toml b/dm/tests/lightning_mode/conf/dm-master.toml
index 53a294e7d07..c0484e89f4c 100644
--- a/dm/tests/lightning_mode/conf/dm-master.toml
+++ b/dm/tests/lightning_mode/conf/dm-master.toml
@@ -4,3 +4,4 @@ advertise-addr = "127.0.0.1:8261"
 
 rpc-timeout = "30s"
 auto-compaction-retention = "3s"
+openapi = true
diff --git a/dm/tests/lightning_mode/run.sh b/dm/tests/lightning_mode/run.sh
index d414ef7937b..bce55d6ebc4 100755
--- a/dm/tests/lightning_mode/run.sh
+++ b/dm/tests/lightning_mode/run.sh
@@ -87,8 +87,10 @@ function run() {
 		"stop-task test" \
 		"\"result\": true" 3
 	run_sql_tidb "drop database if exists lightning_mode;"
+	run_sql_tidb "drop database if exists dm_meta;"
 
-	dmctl_start_task "$cur/conf/dm-task.yaml" "--remove-meta"
+	task_conf=`cat $cur/conf/task.json`
+	curl -X POST http://127.0.0.1:8261/api/v1/tasks -H "Content-Type: application/json" -d "$task_conf"
 
 	# use sync_diff_inspector to check full dump loader
 	check_sync_diff $WORK_DIR $cur/conf/diff_config.toml