diff --git a/tests/system-test/0-others/multilevel.py b/tests/system-test/0-others/multilevel.py
index 7ad4eba6453877149e2be6a01f76d6cf50b906bc..f086dcb735e73037866e2a382322c9c4046b00bb 100644
--- a/tests/system-test/0-others/multilevel.py
+++ b/tests/system-test/0-others/multilevel.py
@@ -116,7 +116,7 @@ class TDTestCase:
         tdSql.checkRows(1000)
         tdLog.info("================= step3")
         tdSql.execute('drop database test')
-        for i in range(50):
+        for i in range(10):
             tdSql.execute("create database test%d duration 1" %(i))
             tdSql.execute("use test%d" %(i))
             tdSql.execute("create table tb (ts timestamp,i int)")