diff --git a/dm/tests/checkpoint_transaction/run.sh b/dm/tests/checkpoint_transaction/run.sh
index 63327a413f9..472d2a85743 100755
--- a/dm/tests/checkpoint_transaction/run.sh
+++ b/dm/tests/checkpoint_transaction/run.sh
@@ -28,9 +28,40 @@ function run() {
 	# check diff
 	check_sync_diff $WORK_DIR $cur/conf/diff_config.toml
 
+<<<<<<< HEAD
+=======
+	# test ungraceful stop, worker will not wait transaction finish
+	run_sql_file $cur/data/db1.increment1.sql $MYSQL_HOST1 $MYSQL_PORT1 $MYSQL_PASSWORD1
+	sleep 2
+	# kill dm-master 1 to make worker lost keep alive while a transaction is not finished
+	echo "kill dm-master1"
+	kill_dm_master
+	check_master_port_offline 1
+	sleep 1 # wait worker lost keep alive ttl is 1 second
+
+	# check dm-worker will exit quickly without waiting for the transaction to finish
+	check_worker_ungraceful_stop_with_retry
+
+	# test data in tidb less than source
+	dataCountSource=$(mysql -uroot -h$MYSQL_HOST1 -P$MYSQL_PORT1 -p$MYSQL_PASSWORD1 -se "select count(1) from checkpoint_transaction.t1")
+	dataCountInTiDB=$(mysql -uroot -h127.0.0.1 -P4000 -se "select count(1) from checkpoint_transaction.t1")
+	echo "after ungraceful exit data in source count: $dataCountSource data in tidb count: $dataCountInTiDB"
+	if [ "$dataCountInTiDB" -lt "$dataCountSource" ]; then
+		echo "ungraceful stop test success"
+	else
+		echo "ungraceful stop test failed"
+		exit 1
+	fi
+
+	# start dm-master again task will be resume, and data will be synced
+	run_dm_master $WORK_DIR/master $MASTER_PORT $cur/conf/dm-master.toml
+	check_rpc_alive $cur/../bin/check_master_online 127.0.0.1:$MASTER_PORT
+	sleep 3
+	check_sync_diff $WORK_DIR $cur/conf/diff_config.toml
+>>>>>>> 0492d3f50 (test(dm): split other test cases and fix unstable test (#6703))
 	run_sql_file $cur/data/db1.increment1.sql $MYSQL_HOST1 $MYSQL_PORT1 $MYSQL_PASSWORD1
 	# wait transaction start
-	check_log_contain_with_retry "receive dml job" $WORK_DIR/worker1/log/dm-worker.log
+	check_log_contain_with_retry "\[32,30,null\]" $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" \
@@ -56,7 +87,7 @@ function run() {
 
 	run_sql_file $cur/data/db1.increment2.sql $MYSQL_HOST1 $MYSQL_PORT1 $MYSQL_PASSWORD1
 	# wait transaction start
-	check_log_contain_with_retry "receive dml job" $WORK_DIR/worker1/log/dm-worker.log
+	check_log_contain_with_retry "\[62,null,30\]" $WORK_DIR/worker1/log/dm-worker.log
 	echo "stop task"
 	run_dm_ctl $WORK_DIR "127.0.0.1:$MASTER_PORT" \
 		"stop-task test" \
diff --git a/dm/tests/others_integration_1.txt b/dm/tests/others_integration_1.txt
index 1857dd05f27..c220209fb8d 100644
--- a/dm/tests/others_integration_1.txt
+++ b/dm/tests/others_integration_1.txt
@@ -6,8 +6,11 @@ sequence_sharding_removemeta
 gtid
 only_dml
 adjust_gtid
+<<<<<<< HEAD
 checkpoint_transaction
 lightning_mode
 slow_relay_writer
 sync_collation
 downstream_index_order
+=======
+>>>>>>> 0492d3f50 (test(dm): split other test cases and fix unstable test (#6703))
diff --git a/dm/tests/others_integration_2.txt b/dm/tests/others_integration_2.txt
index e6f69950689..2d9a71d72c8 100644
--- a/dm/tests/others_integration_2.txt
+++ b/dm/tests/others_integration_2.txt
@@ -8,6 +8,9 @@ sql_mode
 http_proxies
 openapi
 duplicate_event
+<<<<<<< HEAD
 tracker_ignored_ddl
 extend_column
 gbk
+=======
+>>>>>>> 0492d3f50 (test(dm): split other test cases and fix unstable test (#6703))
diff --git a/dm/tests/others_integration_3.txt b/dm/tests/others_integration_3.txt
index e69de29bb2d..43414616647 100644
--- a/dm/tests/others_integration_3.txt
+++ b/dm/tests/others_integration_3.txt
@@ -0,0 +1,11 @@
+checkpoint_transaction
+lightning_mode
+slow_relay_writer
+sync_collation
+s3_dumpling_lighting
+async_checkpoint_flush
+tracker_ignored_ddl
+extend_column
+shardddl_optimistic
+gbk
+new_collation_off