diff --git a/tests/system-test/1-insert/insertWithMoreVgroup.py b/tests/system-test/1-insert/insertWithMoreVgroup.py
index f0f35831dbd5a276c98e2eede114ea14b7bcc5b2..8d2870fc2cf068153a424d2b1613188c018c6463 100644
--- a/tests/system-test/1-insert/insertWithMoreVgroup.py
+++ b/tests/system-test/1-insert/insertWithMoreVgroup.py
@@ -294,7 +294,7 @@ class TDTestCase:
         return
 
     def test_case3(self):
-        self.taosBenchCreate("127.0.0.1","no","db1", "stb1", 1, 8, 1*10000)
+        self.taosBenchCreate("127.0.0.1","no","db1", "stb1", 1, 1, 1*10)
         # self.taosBenchCreate("test209","no","db2", "stb2", 1, 8, 1*10000)
 
         # self.taosBenchCreate("chenhaoran02","no","db1", "stb1", 1, 8, 1*10000)
@@ -349,17 +349,17 @@ class TDTestCase:
     # run case   
     def run(self):
 
-        # create database and tables。
-        self.test_case1()
-        tdLog.debug(" LIMIT test_case1 ............ [OK]")
+        # # create database and tables。
+        # self.test_case1()
+        # tdLog.debug(" LIMIT test_case1 ............ [OK]")
 
     #    # taosBenchmark ： create database and table 
     #     self.test_case2()
     #     tdLog.debug(" LIMIT test_case2 ............ [OK]")
 
-        # # taosBenchmark：create database/table and insert data
-        # self.test_case3()
-        # tdLog.debug(" LIMIT test_case3 ............ [OK]")
+        # taosBenchmark：create database/table and insert data
+        self.test_case3()
+        tdLog.debug(" LIMIT test_case3 ............ [OK]")
 
 
         # # test qnode
diff --git a/tests/system-test/1-insert/manyVgroups.json b/tests/system-test/1-insert/manyVgroups.json
index 1c9aa1f28cb0d1eba5b2cf9488dc9d5be2d3f7c2..5dea41476c8cf7777b5a548f470577e03c576663 100644
--- a/tests/system-test/1-insert/manyVgroups.json
+++ b/tests/system-test/1-insert/manyVgroups.json
@@ -10,7 +10,7 @@
     "result_file": "./insert_res.txt",
     "confirm_parameter_prompt": "no",
     "insert_interval": 0,
-    "interlace_rows": 100000,
+    "interlace_rows": 0,
     "num_of_records_per_req": 100,
     "databases": [
         {
@@ -29,8 +29,8 @@
                     "batch_create_tbl_num": 50000,
                     "data_source": "rand",
                     "insert_mode": "taosc",
-                    "insert_rows": 10,
-                    "interlace_rows": 100000,
+                    "insert_rows": 1,
+                    "interlace_rows": 0,
                     "insert_interval": 0,
                     "max_sql_len": 10000000,
                     "disorder_ratio": 0,