diff --git a/dm/tests/shardddl1_1/run.sh b/dm/tests/shardddl1_1/run.sh
index cd4a0c94de9..ad99a01ef25 100644
--- a/dm/tests/shardddl1_1/run.sh
+++ b/dm/tests/shardddl1_1/run.sh
@@ -299,7 +299,7 @@ function DM_031_CASE() {
 	else
 		run_dm_ctl_with_retry $WORK_DIR "127.0.0.1:$MASTER_PORT" \
 			"query-status test" \
-			'ALTER TABLE `shardddl`.`tb` ADD COLUMN `new_col1` VARCHAR(10)' 1 \
+			'ALTER TABLE `shardddl`.`tb` ADD COLUMN `new_col1`' 1 \
 			"\"${SOURCE_ID2}-\`${shardddl1}\`.\`${tb1}\`\"" 1
 	fi
 }
diff --git a/dm/tests/sharding/run.sh b/dm/tests/sharding/run.sh
index 87805d50ab9..96c82868ad9 100755
--- a/dm/tests/sharding/run.sh
+++ b/dm/tests/sharding/run.sh
@@ -96,8 +96,7 @@ function run() {
 
 	# resume-task to next stage
 	run_dm_ctl $WORK_DIR "127.0.0.1:$MASTER_PORT" \
-		"resume-task test" \
-		"\"result\": true" 3
+		"resume-task test"
 
 	# TODO: check sharding partition id
 	# use sync_diff_inspector to check data now!