diff --git a/dm/dm/dm-ansible/roles/alertmanager/templates/run_alertmanager.sh.j2 b/dm/dm/dm-ansible/roles/alertmanager/templates/run_alertmanager.sh.j2
index 72ccff6fca3..170258039a3 100755
--- a/dm/dm/dm-ansible/roles/alertmanager/templates/run_alertmanager.sh.j2
+++ b/dm/dm/dm-ansible/roles/alertmanager/templates/run_alertmanager.sh.j2
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -e
+set -eu
 ulimit -n 1000000
 
 DEPLOY_DIR={{ deploy_dir }}
diff --git a/dm/dm/dm-ansible/roles/dm-master/templates/run_dm-master.sh.j2 b/dm/dm/dm-ansible/roles/dm-master/templates/run_dm-master.sh.j2
index c2c09dd2e34..14159e5141e 100755
--- a/dm/dm/dm-ansible/roles/dm-master/templates/run_dm-master.sh.j2
+++ b/dm/dm/dm-ansible/roles/dm-master/templates/run_dm-master.sh.j2
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -e
+set -eu
 ulimit -n 1000000
 
 DEPLOY_DIR={{ deploy_dir }}
diff --git a/dm/dm/dm-ansible/roles/dm-portal/templates/run_dm-portal.sh.j2 b/dm/dm/dm-ansible/roles/dm-portal/templates/run_dm-portal.sh.j2
index bd09da8e61b..bc47d05476e 100755
--- a/dm/dm/dm-ansible/roles/dm-portal/templates/run_dm-portal.sh.j2
+++ b/dm/dm/dm-ansible/roles/dm-portal/templates/run_dm-portal.sh.j2
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -e
+set -eu
 ulimit -n 1000000
 
 DEPLOY_DIR={{ deploy_dir }}
diff --git a/dm/dm/dm-ansible/roles/dm-worker/templates/run_dm-worker.sh.j2 b/dm/dm/dm-ansible/roles/dm-worker/templates/run_dm-worker.sh.j2
index 4578b2cbf92..8235a0e323e 100755
--- a/dm/dm/dm-ansible/roles/dm-worker/templates/run_dm-worker.sh.j2
+++ b/dm/dm/dm-ansible/roles/dm-worker/templates/run_dm-worker.sh.j2
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -e
+set -eu
 ulimit -n 1000000
 
 DEPLOY_DIR={{ deploy_dir }}
diff --git a/dm/dm/dm-ansible/roles/grafana/templates/run_grafana.sh.j2 b/dm/dm/dm-ansible/roles/grafana/templates/run_grafana.sh.j2
index 0d87330cdb7..d245e27486f 100755
--- a/dm/dm/dm-ansible/roles/grafana/templates/run_grafana.sh.j2
+++ b/dm/dm/dm-ansible/roles/grafana/templates/run_grafana.sh.j2
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -e
+set -eu
 ulimit -n 1000000
 
 # WARNING: This file was auto-generated. Do not edit!
diff --git a/dm/dm/dm-ansible/roles/prometheus/templates/run_prometheus.sh.j2 b/dm/dm/dm-ansible/roles/prometheus/templates/run_prometheus.sh.j2
index 9079000b69f..d4c79a24e47 100755
--- a/dm/dm/dm-ansible/roles/prometheus/templates/run_prometheus.sh.j2
+++ b/dm/dm/dm-ansible/roles/prometheus/templates/run_prometheus.sh.j2
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -e
+set -eu
 ulimit -n 1000000
 
 DEPLOY_DIR={{ deploy_dir }}
diff --git a/dm/dm/dm-ansible/roles/systemd/templates/start_role.sh.j2 b/dm/dm/dm-ansible/roles/systemd/templates/start_role.sh.j2
index 62a7f39bb4d..f6d89339b73 100755
--- a/dm/dm/dm-ansible/roles/systemd/templates/start_role.sh.j2
+++ b/dm/dm/dm-ansible/roles/systemd/templates/start_role.sh.j2
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -e
+set -eu
 
 # WARNING: This file was auto-generated. Do not edit!
 #          All your edit might be overwritten!
diff --git a/dm/dm/dm-ansible/roles/systemd/templates/stop_role.sh.j2 b/dm/dm/dm-ansible/roles/systemd/templates/stop_role.sh.j2
index 08e436d450a..9fa884db006 100755
--- a/dm/dm/dm-ansible/roles/systemd/templates/stop_role.sh.j2
+++ b/dm/dm/dm-ansible/roles/systemd/templates/stop_role.sh.j2
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -e
+set -eu
 
 # WARNING: This file was auto-generated. Do not edit!
 #          All your edit might be overwritten!
diff --git a/dm/tests/others_integration_1.txt b/dm/tests/others_integration_1.txt
index 2b538f41477..b12297daac9 100644
--- a/dm/tests/others_integration_1.txt
+++ b/dm/tests/others_integration_1.txt
@@ -1,13 +1,10 @@
 full_mode
-dm_syncer
 sequence_sharding_optimistic
 sequence_sharding_removemeta
-drop_column_with_index
 gtid
 only_dml
 adjust_gtid
 checkpoint_transaction
 lightning_mode
-downstream_diff_index
 slow_relay_writer
 sync_collation
diff --git a/tests/integration_tests/_utils/run_sql_file b/tests/integration_tests/_utils/run_sql_file
index f128d055609..7fca6e20200 100755
--- a/tests/integration_tests/_utils/run_sql_file
+++ b/tests/integration_tests/_utils/run_sql_file
@@ -3,7 +3,7 @@
 # parameter 2: database host
 # parameter 3: database port
 
-set -e
+set -eu
 
 echo "[$(date)] Executing SQL: $1" >"$OUT_DIR/sql_res.$TEST_NAME.txt"
 mysql -uroot -h$2 -P$3 --default-character-set utf8mb4 -vv <"$1" >>"$OUT_DIR/sql_res.$TEST_NAME.txt"
diff --git a/tests/integration_tests/autorandom/run.sh b/tests/integration_tests/autorandom/run.sh
index 1260bcc5557..a811c5b1048 100644
--- a/tests/integration_tests/autorandom/run.sh
+++ b/tests/integration_tests/autorandom/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/availability/capture.sh b/tests/integration_tests/availability/capture.sh
index 3cd1fd5fb39..f0d033c7125 100755
--- a/tests/integration_tests/availability/capture.sh
+++ b/tests/integration_tests/availability/capture.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/availability/owner.sh b/tests/integration_tests/availability/owner.sh
index d8975521862..ba869f30113 100755
--- a/tests/integration_tests/availability/owner.sh
+++ b/tests/integration_tests/availability/owner.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/availability/processor.sh b/tests/integration_tests/availability/processor.sh
index 121eb26a733..3162b554b7d 100644
--- a/tests/integration_tests/availability/processor.sh
+++ b/tests/integration_tests/availability/processor.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/availability/run.sh b/tests/integration_tests/availability/run.sh
index 36ac89df1ac..6684c1b8ca2 100644
--- a/tests/integration_tests/availability/run.sh
+++ b/tests/integration_tests/availability/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/bank/run.sh b/tests/integration_tests/bank/run.sh
index 62ead2a0745..d883e16dc01 100644
--- a/tests/integration_tests/bank/run.sh
+++ b/tests/integration_tests/bank/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/batch_add_table/run.sh b/tests/integration_tests/batch_add_table/run.sh
index 0978027b7be..3cf1e9cd090 100644
--- a/tests/integration_tests/batch_add_table/run.sh
+++ b/tests/integration_tests/batch_add_table/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/capture_session_done_during_task/run.sh b/tests/integration_tests/capture_session_done_during_task/run.sh
index ac42c3df067..8c2c0eeab56 100644
--- a/tests/integration_tests/capture_session_done_during_task/run.sh
+++ b/tests/integration_tests/capture_session_done_during_task/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/capture_suicide_while_balance_table/run.sh b/tests/integration_tests/capture_suicide_while_balance_table/run.sh
index 3accdee5b4f..7b9ce88f43e 100644
--- a/tests/integration_tests/capture_suicide_while_balance_table/run.sh
+++ b/tests/integration_tests/capture_suicide_while_balance_table/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/cdc/run.sh b/tests/integration_tests/cdc/run.sh
index e9eed66427b..430fd4ff295 100755
--- a/tests/integration_tests/cdc/run.sh
+++ b/tests/integration_tests/cdc/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/changefeed_auto_stop/run.sh b/tests/integration_tests/changefeed_auto_stop/run.sh
index 305fe9e4528..de21c8010a3 100755
--- a/tests/integration_tests/changefeed_auto_stop/run.sh
+++ b/tests/integration_tests/changefeed_auto_stop/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/changefeed_error/run.sh b/tests/integration_tests/changefeed_error/run.sh
index 28d62dda939..0fffa766852 100755
--- a/tests/integration_tests/changefeed_error/run.sh
+++ b/tests/integration_tests/changefeed_error/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/changefeed_fast_fail/run.sh b/tests/integration_tests/changefeed_fast_fail/run.sh
index a5bdaa60d17..81992fb5232 100644
--- a/tests/integration_tests/changefeed_fast_fail/run.sh
+++ b/tests/integration_tests/changefeed_fast_fail/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/changefeed_finish/run.sh b/tests/integration_tests/changefeed_finish/run.sh
index 58cf6be60ee..f9244bf56e3 100755
--- a/tests/integration_tests/changefeed_finish/run.sh
+++ b/tests/integration_tests/changefeed_finish/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/changefeed_pause_resume/run.sh b/tests/integration_tests/changefeed_pause_resume/run.sh
index 5ecbb82db91..4dcdb074ef5 100755
--- a/tests/integration_tests/changefeed_pause_resume/run.sh
+++ b/tests/integration_tests/changefeed_pause_resume/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/changefeed_reconstruct/run.sh b/tests/integration_tests/changefeed_reconstruct/run.sh
index 439077dc189..1fe112b3beb 100755
--- a/tests/integration_tests/changefeed_reconstruct/run.sh
+++ b/tests/integration_tests/changefeed_reconstruct/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/cli/run.sh b/tests/integration_tests/cli/run.sh
index feebb2a24de..6d42258bfbb 100644
--- a/tests/integration_tests/cli/run.sh
+++ b/tests/integration_tests/cli/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/clustered_index/run.sh b/tests/integration_tests/clustered_index/run.sh
index b16ceb53314..dcb3c677ea2 100755
--- a/tests/integration_tests/clustered_index/run.sh
+++ b/tests/integration_tests/clustered_index/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/common_1/run.sh b/tests/integration_tests/common_1/run.sh
index d7512d3121c..8bc55a8354f 100644
--- a/tests/integration_tests/common_1/run.sh
+++ b/tests/integration_tests/common_1/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/consistent_replicate_nfs/run.sh b/tests/integration_tests/consistent_replicate_nfs/run.sh
index 3ffaf788638..0a892b46a17 100644
--- a/tests/integration_tests/consistent_replicate_nfs/run.sh
+++ b/tests/integration_tests/consistent_replicate_nfs/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/consistent_replicate_s3/run.sh b/tests/integration_tests/consistent_replicate_s3/run.sh
index 253244cfc8c..3fd85fbd293 100644
--- a/tests/integration_tests/consistent_replicate_s3/run.sh
+++ b/tests/integration_tests/consistent_replicate_s3/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/cyclic_ab/run.sh b/tests/integration_tests/cyclic_ab/run.sh
index 38baacfdcca..ef760d80a0c 100644
--- a/tests/integration_tests/cyclic_ab/run.sh
+++ b/tests/integration_tests/cyclic_ab/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/cyclic_abc/run.sh b/tests/integration_tests/cyclic_abc/run.sh
index 5c8a3eb5028..6ed178f2952 100644
--- a/tests/integration_tests/cyclic_abc/run.sh
+++ b/tests/integration_tests/cyclic_abc/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/ddl_attributes/run.sh b/tests/integration_tests/ddl_attributes/run.sh
index a8e8a7a65ab..6e6b02058fe 100644
--- a/tests/integration_tests/ddl_attributes/run.sh
+++ b/tests/integration_tests/ddl_attributes/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/ddl_puller_lag/run.sh b/tests/integration_tests/ddl_puller_lag/run.sh
index 959deee203c..6b7e790acce 100644
--- a/tests/integration_tests/ddl_puller_lag/run.sh
+++ b/tests/integration_tests/ddl_puller_lag/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/ddl_reentrant/run.sh b/tests/integration_tests/ddl_reentrant/run.sh
index 58dfc2b7114..cb314579952 100644
--- a/tests/integration_tests/ddl_reentrant/run.sh
+++ b/tests/integration_tests/ddl_reentrant/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/ddl_sequence/run.sh b/tests/integration_tests/ddl_sequence/run.sh
index 07bb628ab9a..3808a551dc9 100644
--- a/tests/integration_tests/ddl_sequence/run.sh
+++ b/tests/integration_tests/ddl_sequence/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/drop_many_tables/run.sh b/tests/integration_tests/drop_many_tables/run.sh
index ccfcd6e6957..295e604a2f3 100644
--- a/tests/integration_tests/drop_many_tables/run.sh
+++ b/tests/integration_tests/drop_many_tables/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/force_replicate_table/run.sh b/tests/integration_tests/force_replicate_table/run.sh
index fe2816e3bf2..29945a620c6 100755
--- a/tests/integration_tests/force_replicate_table/run.sh
+++ b/tests/integration_tests/force_replicate_table/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/gc_safepoint/run.sh b/tests/integration_tests/gc_safepoint/run.sh
index 46165f1195d..c72b59dac7b 100755
--- a/tests/integration_tests/gc_safepoint/run.sh
+++ b/tests/integration_tests/gc_safepoint/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
@@ -93,6 +93,7 @@ function run() {
 		run_kafka_consumer $WORK_DIR "kafka://127.0.0.1:9092/$TOPIC_NAME?protocol=open-protocol&partition-num=4&version=${KAFKA_VERSION}&max-message-bytes=10485760"
 	fi
 
+	pd_cluster_id=$(curl -s $pd_addr/pd/api/v1/cluster | grep -oE "id\":\s[0-9]+" | grep -oE "[0-9]+")
 	clear_gc_worker_safepoint $pd_addr $pd_cluster_id
 
 	run_sql "CREATE DATABASE gc_safepoint;" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
@@ -100,7 +101,6 @@ function run() {
 	run_sql "INSERT INTO gc_safepoint.simple VALUES (),();" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
 	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml
 
-	pd_cluster_id=$(curl -s $pd_addr/pd/api/v1/cluster | grep -oE "id\":\s[0-9]+" | grep -oE "[0-9]+")
 	start_safepoint=$(get_safepoint $pd_addr $pd_cluster_id)
 	ensure $MAX_RETRIES check_safepoint_forward $pd_addr $pd_cluster_id $start_safepoint
 
diff --git a/tests/integration_tests/generate_column/run.sh b/tests/integration_tests/generate_column/run.sh
index 6ddbc25e246..a6d864a62c3 100644
--- a/tests/integration_tests/generate_column/run.sh
+++ b/tests/integration_tests/generate_column/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/http_api/run.sh b/tests/integration_tests/http_api/run.sh
index 9ea312a694b..5a9de1279e0 100644
--- a/tests/integration_tests/http_api/run.sh
+++ b/tests/integration_tests/http_api/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/kafka_big_messages/run.sh b/tests/integration_tests/kafka_big_messages/run.sh
index 0b10c780c43..40698eb0466 100755
--- a/tests/integration_tests/kafka_big_messages/run.sh
+++ b/tests/integration_tests/kafka_big_messages/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/kafka_messages/run.sh b/tests/integration_tests/kafka_messages/run.sh
index 5f89c04b421..a5a03449d8e 100755
--- a/tests/integration_tests/kafka_messages/run.sh
+++ b/tests/integration_tests/kafka_messages/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/kafka_sink_error_resume/run.sh b/tests/integration_tests/kafka_sink_error_resume/run.sh
index 0560852fa6b..dc1300507d8 100755
--- a/tests/integration_tests/kafka_sink_error_resume/run.sh
+++ b/tests/integration_tests/kafka_sink_error_resume/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/kill_owner_with_ddl/run.sh b/tests/integration_tests/kill_owner_with_ddl/run.sh
index b13f8dbc8fc..8d8a9b386f9 100755
--- a/tests/integration_tests/kill_owner_with_ddl/run.sh
+++ b/tests/integration_tests/kill_owner_with_ddl/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/kv_client_stream_reconnect/run.sh b/tests/integration_tests/kv_client_stream_reconnect/run.sh
index ac01e967428..3989786cb4e 100644
--- a/tests/integration_tests/kv_client_stream_reconnect/run.sh
+++ b/tests/integration_tests/kv_client_stream_reconnect/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/many_pk_or_uk/run.sh b/tests/integration_tests/many_pk_or_uk/run.sh
index e1da4c9f4d4..4cb7e823647 100755
--- a/tests/integration_tests/many_pk_or_uk/run.sh
+++ b/tests/integration_tests/many_pk_or_uk/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/move_table/run.sh b/tests/integration_tests/move_table/run.sh
index edd0b005662..edc9e1da0a7 100644
--- a/tests/integration_tests/move_table/run.sh
+++ b/tests/integration_tests/move_table/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/multi_capture/run.sh b/tests/integration_tests/multi_capture/run.sh
index 6b54c9186e7..649ba188f0a 100755
--- a/tests/integration_tests/multi_capture/run.sh
+++ b/tests/integration_tests/multi_capture/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/multi_changefeed/run.sh b/tests/integration_tests/multi_changefeed/run.sh
index 8027cbb5bd7..3cca6363425 100755
--- a/tests/integration_tests/multi_changefeed/run.sh
+++ b/tests/integration_tests/multi_changefeed/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/multi_source/run.sh b/tests/integration_tests/multi_source/run.sh
index 1c38616dfb6..615deae94f2 100755
--- a/tests/integration_tests/multi_source/run.sh
+++ b/tests/integration_tests/multi_source/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/new_ci_collation_with_old_value/run.sh b/tests/integration_tests/new_ci_collation_with_old_value/run.sh
index 8df0ddf9a99..ec7f55afe2d 100755
--- a/tests/integration_tests/new_ci_collation_with_old_value/run.sh
+++ b/tests/integration_tests/new_ci_collation_with_old_value/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/new_ci_collation_without_old_value/run.sh b/tests/integration_tests/new_ci_collation_without_old_value/run.sh
index fbc0fd3f55c..24534849954 100755
--- a/tests/integration_tests/new_ci_collation_without_old_value/run.sh
+++ b/tests/integration_tests/new_ci_collation_without_old_value/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/owner_remove_table_error/run.sh b/tests/integration_tests/owner_remove_table_error/run.sh
index 5ba75eb1ef1..d28160059ba 100644
--- a/tests/integration_tests/owner_remove_table_error/run.sh
+++ b/tests/integration_tests/owner_remove_table_error/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/partition_table/run.sh b/tests/integration_tests/partition_table/run.sh
index 9d7a5592742..ad0e8b64d31 100644
--- a/tests/integration_tests/partition_table/run.sh
+++ b/tests/integration_tests/partition_table/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/processor_err_chan/run.sh b/tests/integration_tests/processor_err_chan/run.sh
index ec5025f3d13..848491d3a6a 100644
--- a/tests/integration_tests/processor_err_chan/run.sh
+++ b/tests/integration_tests/processor_err_chan/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/processor_panic/run.sh b/tests/integration_tests/processor_panic/run.sh
index c1724b41b9f..47ff84ed674 100644
--- a/tests/integration_tests/processor_panic/run.sh
+++ b/tests/integration_tests/processor_panic/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/processor_resolved_ts_fallback/run.sh b/tests/integration_tests/processor_resolved_ts_fallback/run.sh
index 4c3504911fe..4c11bddaba9 100755
--- a/tests/integration_tests/processor_resolved_ts_fallback/run.sh
+++ b/tests/integration_tests/processor_resolved_ts_fallback/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/processor_stop_delay/run.sh b/tests/integration_tests/processor_stop_delay/run.sh
index 9240ec9a4e5..57a2c371016 100644
--- a/tests/integration_tests/processor_stop_delay/run.sh
+++ b/tests/integration_tests/processor_stop_delay/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/region_merge/run.sh b/tests/integration_tests/region_merge/run.sh
index 7d2e57bf0dc..bd80d8260cc 100644
--- a/tests/integration_tests/region_merge/run.sh
+++ b/tests/integration_tests/region_merge/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/resolve_lock/run.sh b/tests/integration_tests/resolve_lock/run.sh
index 84aa2901d58..9e9cd41e547 100755
--- a/tests/integration_tests/resolve_lock/run.sh
+++ b/tests/integration_tests/resolve_lock/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/row_format/run.sh b/tests/integration_tests/row_format/run.sh
index 9c7704d52d7..c327b2643a5 100644
--- a/tests/integration_tests/row_format/run.sh
+++ b/tests/integration_tests/row_format/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/simple/run.sh b/tests/integration_tests/simple/run.sh
index f629477a7d5..bfd2dc8dcd5 100644
--- a/tests/integration_tests/simple/run.sh
+++ b/tests/integration_tests/simple/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/sink_hang/run.sh b/tests/integration_tests/sink_hang/run.sh
index aa7f675e378..77169bcd6f8 100644
--- a/tests/integration_tests/sink_hang/run.sh
+++ b/tests/integration_tests/sink_hang/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/sink_retry/run.sh b/tests/integration_tests/sink_retry/run.sh
index 6120f718404..2e123d1d2b2 100755
--- a/tests/integration_tests/sink_retry/run.sh
+++ b/tests/integration_tests/sink_retry/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/sorter/run.sh b/tests/integration_tests/sorter/run.sh
index a6e4d519b6d..2d550a486f1 100755
--- a/tests/integration_tests/sorter/run.sh
+++ b/tests/integration_tests/sorter/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/split_region/run.sh b/tests/integration_tests/split_region/run.sh
index 1e241b15d12..6b7b63bc9c8 100755
--- a/tests/integration_tests/split_region/run.sh
+++ b/tests/integration_tests/split_region/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/syncpoint/run.sh b/tests/integration_tests/syncpoint/run.sh
index 30be944523a..8d56fbdbaf5 100755
--- a/tests/integration_tests/syncpoint/run.sh
+++ b/tests/integration_tests/syncpoint/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare
diff --git a/tests/integration_tests/tiflash/run.sh b/tests/integration_tests/tiflash/run.sh
index 58d6d90c69a..bd263e03ff0 100644
--- a/tests/integration_tests/tiflash/run.sh
+++ b/tests/integration_tests/tiflash/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eu
 
 CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 source $CUR/../_utils/test_prepare