diff --git a/source/client/src/clientSml.c b/source/client/src/clientSml.c
index d8602248273946684afa29b0d8b584c9a7d2b704..9f905a835241d54722cf3e15056d1d1019123dcf 100644
--- a/source/client/src/clientSml.c
+++ b/source/client/src/clientSml.c
@@ -420,7 +420,8 @@ static int32_t  smlSendMetaMsg(SSmlHandle *info, SName *pName, SSmlSTableMeta *s
   }
   tSerializeSMCreateStbReq(pCmdMsg.pMsg, pCmdMsg.msgLen, &pReq);
 
-  SQuery pQuery = {0};
+  SQuery pQuery;
+  memset(&pQuery, 0, sizeof(pQuery));
   pQuery.execMode = QUERY_EXEC_MODE_RPC;
   pQuery.pCmdMsg = &pCmdMsg;
   pQuery.msgType = pQuery.pCmdMsg->msgType;
diff --git a/source/dnode/mnode/impl/test/db/db.cpp b/source/dnode/mnode/impl/test/db/db.cpp
index 06916b375c41bb17c671d80f8d01b81f36a1ded8..94ba7f2968eb3625e3e23b7b88d6d9a869c88a5a 100644
--- a/source/dnode/mnode/impl/test/db/db.cpp
+++ b/source/dnode/mnode/impl/test/db/db.cpp
@@ -26,7 +26,7 @@ class MndTestDb : public ::testing::Test {
 Testbase MndTestDb::test;
 
 TEST_F(MndTestDb, 01_ShowDb) {
-  test.SendShowReq(TSDB_MGMT_TABLE_DB, "user_databases", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_DB, "ins_databases", "");
   EXPECT_EQ(test.GetShowRows(), 2);
 }
 
@@ -64,10 +64,10 @@ TEST_F(MndTestDb, 02_Create_Alter_Drop_Db) {
     ASSERT_EQ(pRsp->code, 0);
   }
 
-  test.SendShowReq(TSDB_MGMT_TABLE_DB, "user_databases", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_DB, "ins_databases", "");
   EXPECT_EQ(test.GetShowRows(), 3);
 
-  test.SendShowReq(TSDB_MGMT_TABLE_VGROUP, "vgroups", "1.d1");
+  test.SendShowReq(TSDB_MGMT_TABLE_VGROUP, "ins_vgroups", "1.d1");
   EXPECT_EQ(test.GetShowRows(), 2);
 
   {
@@ -96,13 +96,13 @@ TEST_F(MndTestDb, 02_Create_Alter_Drop_Db) {
     ASSERT_EQ(pRsp->code, TSDB_CODE_OPS_NOT_SUPPORT);
   }
 
-  test.SendShowReq(TSDB_MGMT_TABLE_DB, "user_databases", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_DB, "ins_databases", "");
   EXPECT_EQ(test.GetShowRows(), 3);
 
   // restart
   test.Restart();
 
-  test.SendShowReq(TSDB_MGMT_TABLE_DB, "user_databases", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_DB, "ins_databases", "");
   EXPECT_EQ(test.GetShowRows(), 3);
 
   {
@@ -122,7 +122,7 @@ TEST_F(MndTestDb, 02_Create_Alter_Drop_Db) {
     EXPECT_STREQ(dropdbRsp.db, "1.d1");
   }
 
-  test.SendShowReq(TSDB_MGMT_TABLE_DB, "user_databases", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_DB, "ins_databases", "");
   EXPECT_EQ(test.GetShowRows(), 2);
 }
 
@@ -160,7 +160,7 @@ TEST_F(MndTestDb, 03_Create_Use_Restart_Use_Db) {
     ASSERT_EQ(pRsp->code, 0);
   }
 
-  test.SendShowReq(TSDB_MGMT_TABLE_DB, "user_databases", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_DB, "ins_databases", "");
   EXPECT_EQ(test.GetShowRows(), 3);
 
   uint64_t d2_uid = 0;
diff --git a/source/dnode/mnode/impl/test/func/func.cpp b/source/dnode/mnode/impl/test/func/func.cpp
index 2bebe7ef199c8e61d1204a611b84b66051002087..53029f5963377a9b20bc0c7c96b399f96bd4a363 100644
--- a/source/dnode/mnode/impl/test/func/func.cpp
+++ b/source/dnode/mnode/impl/test/func/func.cpp
@@ -46,7 +46,7 @@ void MndTestFunc::SetBufSize(SCreateFuncReq* pReq, int32_t size) {
 }
 
 TEST_F(MndTestFunc, 01_Show_Func) {
-  test.SendShowReq(TSDB_MGMT_TABLE_FUNC, "user_functions", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_FUNC, "ins_functions", "");
   EXPECT_EQ(test.GetShowRows(), 0);
 }
 
@@ -159,7 +159,7 @@ TEST_F(MndTestFunc, 02_Create_Func) {
     }
   }
 
-  test.SendShowReq(TSDB_MGMT_TABLE_FUNC, "user_functions", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_FUNC, "ins_functions", "");
   EXPECT_EQ(test.GetShowRows(), 1);
 }
 
@@ -270,7 +270,7 @@ TEST_F(MndTestFunc, 03_Retrieve_Func) {
     ASSERT_NE(pRsp, nullptr);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_FUNC, "user_functions", "");
+    test.SendShowReq(TSDB_MGMT_TABLE_FUNC, "ins_functions", "");
     EXPECT_EQ(test.GetShowRows(), 2);
   }
 
@@ -435,13 +435,13 @@ TEST_F(MndTestFunc, 04_Drop_Func) {
     ASSERT_EQ(pRsp->code, 0);
   }
 
-  test.SendShowReq(TSDB_MGMT_TABLE_FUNC, "user_functions", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_FUNC, "ins_functions", "");
   EXPECT_EQ(test.GetShowRows(), 1);
 
   // restart
   test.Restart();
 
-  test.SendShowReq(TSDB_MGMT_TABLE_FUNC, "user_functions", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_FUNC, "ins_functions", "");
   EXPECT_EQ(test.GetShowRows(), 1);
 }
 
diff --git a/source/dnode/mnode/impl/test/profile/profile.cpp b/source/dnode/mnode/impl/test/profile/profile.cpp
index e784a41d6f08ac98a5a12710a012e85efd43a2fc..2ae113e0514bdec8c5c7c038ee2cbb9497bf2dec 100644
--- a/source/dnode/mnode/impl/test/profile/profile.cpp
+++ b/source/dnode/mnode/impl/test/profile/profile.cpp
@@ -87,7 +87,7 @@ TEST_F(MndTestProfile, 02_ConnectMsg_InvalidDB) {
 }
 
 TEST_F(MndTestProfile, 03_ConnectMsg_Show) {
-  test.SendShowReq(TSDB_MGMT_TABLE_CONNS, "connections", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_CONNS, "perf_connections", "");
   EXPECT_EQ(test.GetShowRows(), 1);
 }
 
@@ -307,6 +307,6 @@ TEST_F(MndTestProfile, 08_KillQueryMsg_InvalidConn) {
 }
 
 TEST_F(MndTestProfile, 09_KillQueryMsg) {
-  test.SendShowReq(TSDB_MGMT_TABLE_QUERIES, "queries", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_QUERIES, "perf_queries", "");
   EXPECT_EQ(test.GetShowRows(), 0);
 }
diff --git a/source/dnode/mnode/impl/test/show/show.cpp b/source/dnode/mnode/impl/test/show/show.cpp
index 0de8c9dca8cc69ce46bc41d439571fa8c7ad046b..0ccefa7ca2c265afe299a55b218d46be291c463e 100644
--- a/source/dnode/mnode/impl/test/show/show.cpp
+++ b/source/dnode/mnode/impl/test/show/show.cpp
@@ -73,11 +73,11 @@ TEST_F(MndTestShow, 03_ShowMsg_Conn) {
   ASSERT_NE(pRsp, nullptr);
   ASSERT_EQ(pRsp->code, 0);
 
-  test.SendShowReq(TSDB_MGMT_TABLE_CONNS, "connections", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_CONNS, "perf_connections", "");
   // EXPECT_EQ(test.GetShowRows(), 1);
 }
 
 TEST_F(MndTestShow, 04_ShowMsg_Cluster) {
-  test.SendShowReq(TSDB_MGMT_TABLE_CLUSTER, "cluster", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_CLUSTER, "ins_cluster", "");
   EXPECT_EQ(test.GetShowRows(), 1);
 }
diff --git a/source/dnode/mnode/impl/test/sma/sma.cpp b/source/dnode/mnode/impl/test/sma/sma.cpp
index 06bb735f544babcad8bc7a90ff60feddeb97279f..9a2372d904c19914bde84e8dd681df61693192e5 100644
--- a/source/dnode/mnode/impl/test/sma/sma.cpp
+++ b/source/dnode/mnode/impl/test/sma/sma.cpp
@@ -259,7 +259,7 @@ TEST_F(MndTestSma, 02_Create_Show_Meta_Drop_Restart_BSma) {
     pReq = BuildCreateBSmaStbReq(stbname, &contLen);
     pRsp = test.SendReq(TDMT_MND_CREATE_STB, pReq, contLen);
     ASSERT_EQ(pRsp->code, 0);
-    test.SendShowReq(TSDB_MGMT_TABLE_STB, "user_stables", dbname);
+    test.SendShowReq(TSDB_MGMT_TABLE_STB, "ins_stables", dbname);
     EXPECT_EQ(test.GetShowRows(), 1);
   }
 
@@ -275,7 +275,7 @@ TEST_F(MndTestSma, 02_Create_Show_Meta_Drop_Restart_BSma) {
     pReq = BuildDropStbReq(stbname, &contLen);
     pRsp = test.SendReq(TDMT_MND_DROP_STB, pReq, contLen);
     ASSERT_EQ(pRsp->code, 0);
-    test.SendShowReq(TSDB_MGMT_TABLE_STB, "user_stables", dbname);
+    test.SendShowReq(TSDB_MGMT_TABLE_STB, "ins_stables", dbname);
     EXPECT_EQ(test.GetShowRows(), 0);
   }
 
diff --git a/source/dnode/mnode/impl/test/stb/stb.cpp b/source/dnode/mnode/impl/test/stb/stb.cpp
index d275231c706e010acb3a694d6ff343a11f7dacdc..64982951c9c0b405bc3ad9ef06c2094e02f9f42e 100644
--- a/source/dnode/mnode/impl/test/stb/stb.cpp
+++ b/source/dnode/mnode/impl/test/stb/stb.cpp
@@ -313,7 +313,7 @@ TEST_F(MndTestStb, 01_Create_Show_Meta_Drop_Restart_Stb) {
   }
 
   {
-    test.SendShowReq(TSDB_MGMT_TABLE_STB, "user_stables", dbname);
+    test.SendShowReq(TSDB_MGMT_TABLE_STB, "ins_stables", dbname);
     EXPECT_EQ(test.GetShowRows(), 1);
   }
 
@@ -394,7 +394,7 @@ TEST_F(MndTestStb, 01_Create_Show_Meta_Drop_Restart_Stb) {
   test.Restart();
 
   {
-    test.SendShowReq(TSDB_MGMT_TABLE_STB, "user_stables", dbname);
+    test.SendShowReq(TSDB_MGMT_TABLE_STB, "ins_stables", dbname);
     EXPECT_EQ(test.GetShowRows(), 1);
   }
 
@@ -412,7 +412,7 @@ TEST_F(MndTestStb, 01_Create_Show_Meta_Drop_Restart_Stb) {
   }
 
   {
-    test.SendShowReq(TSDB_MGMT_TABLE_STB, "user_stables", dbname);
+    test.SendShowReq(TSDB_MGMT_TABLE_STB, "ins_stables", dbname);
     EXPECT_EQ(test.GetShowRows(), 0);
   }
 
@@ -474,7 +474,7 @@ TEST_F(MndTestStb, 02_Alter_Stb_AddTag) {
     ASSERT_NE(pRsp, nullptr);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_STB, "user_stables", dbname);
+    test.SendShowReq(TSDB_MGMT_TABLE_STB, "ins_stables", dbname);
   }
 
   {
@@ -514,7 +514,7 @@ TEST_F(MndTestStb, 03_Alter_Stb_DropTag) {
     ASSERT_NE(pRsp, nullptr);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_STB, "user_stables", dbname);
+    test.SendShowReq(TSDB_MGMT_TABLE_STB, "ins_stables", dbname);
     EXPECT_EQ(test.GetShowRows(), 1);
   }
 
@@ -578,7 +578,7 @@ TEST_F(MndTestStb, 04_Alter_Stb_AlterTagName) {
     ASSERT_NE(pRsp, nullptr);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_STB, "user_stables", dbname);
+    test.SendShowReq(TSDB_MGMT_TABLE_STB, "ins_stables", dbname);
     EXPECT_EQ(test.GetShowRows(), 1);
   }
 
@@ -630,7 +630,7 @@ TEST_F(MndTestStb, 05_Alter_Stb_AlterTagBytes) {
     SRpcMsg* pRsp = test.SendReq(TDMT_MND_ALTER_STB, pReq, contLen);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_STB, "user_stables", dbname);
+    test.SendShowReq(TSDB_MGMT_TABLE_STB, "ins_stables", dbname);
     EXPECT_EQ(test.GetShowRows(), 1);
   }
 
@@ -691,7 +691,7 @@ TEST_F(MndTestStb, 06_Alter_Stb_AddColumn) {
     ASSERT_NE(pRsp, nullptr);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_STB, "user_stables", dbname);
+    test.SendShowReq(TSDB_MGMT_TABLE_STB, "ins_stables", dbname);
     EXPECT_EQ(test.GetShowRows(), 1);
   }
 
@@ -751,7 +751,7 @@ TEST_F(MndTestStb, 07_Alter_Stb_DropColumn) {
     ASSERT_NE(pRsp, nullptr);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_STB, "user_stables", dbname);
+    test.SendShowReq(TSDB_MGMT_TABLE_STB, "ins_stables", dbname);
     EXPECT_EQ(test.GetShowRows(), 1);
   }
 
@@ -809,7 +809,7 @@ TEST_F(MndTestStb, 08_Alter_Stb_AlterTagBytes) {
     SRpcMsg* pRsp = test.SendReq(TDMT_MND_ALTER_STB, pReq, contLen);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_STB, "user_stables", dbname);
+    test.SendShowReq(TSDB_MGMT_TABLE_STB, "ins_stables", dbname);
     EXPECT_EQ(test.GetShowRows(), 1);
   }
 
@@ -818,7 +818,7 @@ TEST_F(MndTestStb, 08_Alter_Stb_AlterTagBytes) {
     SRpcMsg* pRsp = test.SendReq(TDMT_MND_ALTER_STB, pReq, contLen);
     ASSERT_EQ(pRsp->code, TSDB_CODE_MND_COLUMN_NOT_EXIST);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_STB, "user_stables", dbname);
+    test.SendShowReq(TSDB_MGMT_TABLE_STB, "ins_stables", dbname);
     EXPECT_EQ(test.GetShowRows(), 1);
   }
 
diff --git a/source/dnode/mnode/impl/test/user/user.cpp b/source/dnode/mnode/impl/test/user/user.cpp
index dd2bda6b190700688c38d527a07a9ee615e70913..eb8b1d18e94e920e0ee7e03a15e67126c7024ee3 100644
--- a/source/dnode/mnode/impl/test/user/user.cpp
+++ b/source/dnode/mnode/impl/test/user/user.cpp
@@ -26,7 +26,7 @@ class MndTestUser : public ::testing::Test {
 Testbase MndTestUser::test;
 
 TEST_F(MndTestUser, 01_Show_User) {
-  test.SendShowReq(TSDB_MGMT_TABLE_USER, "user_users", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_USER, "ins_users", "");
   EXPECT_EQ(test.GetShowRows(), 1);
 }
 
@@ -94,7 +94,7 @@ TEST_F(MndTestUser, 02_Create_User) {
     ASSERT_NE(pRsp, nullptr);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_USER, "user_users", "");
+    test.SendShowReq(TSDB_MGMT_TABLE_USER, "ins_users", "");
     EXPECT_EQ(test.GetShowRows(), 2);
   }
 
@@ -110,7 +110,7 @@ TEST_F(MndTestUser, 02_Create_User) {
     ASSERT_NE(pRsp, nullptr);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_USER, "user_users", "");
+    test.SendShowReq(TSDB_MGMT_TABLE_USER, "ins_users", "");
     EXPECT_EQ(test.GetShowRows(), 1);
   }
 
@@ -130,7 +130,7 @@ TEST_F(MndTestUser, 02_Create_User) {
     ASSERT_NE(pRsp, nullptr);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_USER, "user_users", "");
+    test.SendShowReq(TSDB_MGMT_TABLE_USER, "ins_users", "");
     EXPECT_EQ(test.GetShowRows(), 2);
   }
 
@@ -146,7 +146,7 @@ TEST_F(MndTestUser, 02_Create_User) {
     ASSERT_NE(pRsp, nullptr);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_USER, "user_users", "");
+    test.SendShowReq(TSDB_MGMT_TABLE_USER, "ins_users", "");
     EXPECT_EQ(test.GetShowRows(), 1);
   }
 }
@@ -168,7 +168,7 @@ TEST_F(MndTestUser, 03_Alter_User) {
     ASSERT_NE(pRsp, nullptr);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_USER, "user_users", "");
+    test.SendShowReq(TSDB_MGMT_TABLE_USER, "ins_users", "");
     EXPECT_EQ(test.GetShowRows(), 2);
   }
 
@@ -414,7 +414,7 @@ TEST_F(MndTestUser, 03_Alter_User) {
     ASSERT_NE(pRsp, nullptr);
     ASSERT_EQ(pRsp->code, 0);
 
-    test.SendShowReq(TSDB_MGMT_TABLE_USER, "user_users", "");
+    test.SendShowReq(TSDB_MGMT_TABLE_USER, "ins_users", "");
     EXPECT_EQ(test.GetShowRows(), 1);
   }
 }
@@ -475,7 +475,7 @@ TEST_F(MndTestUser, 05_Drop_User) {
     ASSERT_EQ(pRsp->code, 0);
   }
 
-  test.SendShowReq(TSDB_MGMT_TABLE_USER, "user_users", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_USER, "ins_users", "");
   EXPECT_EQ(test.GetShowRows(), 1);
 }
 
@@ -512,7 +512,7 @@ TEST_F(MndTestUser, 06_Create_Drop_Alter_User) {
     ASSERT_EQ(pRsp->code, 0);
   }
 
-  test.SendShowReq(TSDB_MGMT_TABLE_USER, "user_users", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_USER, "ins_users", "");
   EXPECT_EQ(test.GetShowRows(), 3);
 
   {
@@ -530,7 +530,7 @@ TEST_F(MndTestUser, 06_Create_Drop_Alter_User) {
     ASSERT_EQ(pRsp->code, 0);
   }
 
-  test.SendShowReq(TSDB_MGMT_TABLE_USER, "user_users", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_USER, "ins_users", "");
   EXPECT_EQ(test.GetShowRows(), 3);
   {
     SDropUserReq dropReq = {0};
@@ -545,13 +545,13 @@ TEST_F(MndTestUser, 06_Create_Drop_Alter_User) {
     ASSERT_EQ(pRsp->code, 0);
   }
 
-  test.SendShowReq(TSDB_MGMT_TABLE_USER, "user_users", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_USER, "ins_users", "");
   EXPECT_EQ(test.GetShowRows(), 2);
 
   // restart
   test.Restart();
 
   taosMsleep(1000);
-  test.SendShowReq(TSDB_MGMT_TABLE_USER, "user_users", "");
+  test.SendShowReq(TSDB_MGMT_TABLE_USER, "ins_users", "");
   EXPECT_EQ(test.GetShowRows(), 2);
 }
diff --git a/source/libs/parser/test/parSelectTest.cpp b/source/libs/parser/test/parSelectTest.cpp
index ebf8012cf752a0e42f5d86354ecc60e057ebf1bc..02a82f7602b0bcc8370ef2a4601e39416b1876fe 100644
--- a/source/libs/parser/test/parSelectTest.cpp
+++ b/source/libs/parser/test/parSelectTest.cpp
@@ -426,7 +426,7 @@ TEST_F(ParserSelectTest, setOperatorSemanticCheck) {
 TEST_F(ParserSelectTest, informationSchema) {
   useDb("root", "test");
 
-  run("SELECT * FROM information_schema.user_databases WHERE name = 'information_schema'");
+  run("SELECT * FROM information_schema.ins_databases WHERE name = 'information_schema'");
 }
 
 TEST_F(ParserSelectTest, withoutFrom) {
diff --git a/source/libs/planner/test/planSysTbTest.cpp b/source/libs/planner/test/planSysTbTest.cpp
index e5c30030b38a9cf2444a640b9aedf940e4dd5337..921f86f09a41d36448ab0d435ab6a439645b9bfc 100644
--- a/source/libs/planner/test/planSysTbTest.cpp
+++ b/source/libs/planner/test/planSysTbTest.cpp
@@ -30,5 +30,5 @@ TEST_F(PlanSysTableTest, show) {
 TEST_F(PlanSysTableTest, informationSchema) {
   useDb("root", "information_schema");
 
-  run("SELECT * FROM information_schema.user_databases WHERE name = 'information_schema'");
+  run("SELECT * FROM information_schema.ins_databases WHERE name = 'information_schema'");
 }