diff --git a/tests/parallel_test/cases.task b/tests/parallel_test/cases.task
index 21fed2e1f5..931364307f 100644
--- a/tests/parallel_test/cases.task
+++ b/tests/parallel_test/cases.task
@@ -207,6 +207,7 @@
 ,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/precisionUS.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/precisionNS.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/show.py
+,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/show_tag_index.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 0-others/information_schema.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/abs.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/abs.py -R