diff --git a/tests/system-test/test.py b/tests/system-test/test.py
index 0a891759d0..fd0979745e 100644
--- a/tests/system-test/test.py
+++ b/tests/system-test/test.py
@@ -370,3 +370,4 @@ if __name__ == "__main__":
                     tdLog.info("not need to query")
     if conn is not None:
         conn.close()
+    sys.exit(0)