fix case

tests/system-test/0-others/user_control.py

@@ -244,7 +244,7 @@ class TDTestCase:
         with taos_connect(self.__user_list[0], f"new{self.__passwd_list[0]}") as conn:
             user = conn
         # 不能创建用户
-        tdLog.printNoPrefix("==========step4: normal user can not create user")
+        tdLog.printNoPrefix("==========step5: normal user can not create user")
         user.error("create use utest1 pass 'utest1pass'")