diff --git a/source/dnode/mnode/impl/src/mndIndex.c b/source/dnode/mnode/impl/src/mndIndex.c
index 2e78116a86..041cc664e5 100644
--- a/source/dnode/mnode/impl/src/mndIndex.c
+++ b/source/dnode/mnode/impl/src/mndIndex.c
@@ -439,7 +439,7 @@ static int32_t mndProcessCreateIdxReq(SRpcMsg *pReq) {
 
   pDb = mndAcquireDbByStb(pMnode, createReq.stbName);
   if (pDb == NULL) {
-    terrno = TSDB_CODE_MND_INVALID_DB;
+    terrno = TSDB_CODE_MND_DB_NOT_EXIST;
     goto _OVER;
   }
 
diff --git a/source/dnode/mnode/impl/src/mndProfile.c b/source/dnode/mnode/impl/src/mndProfile.c
index 9847024bee..bb3f92be71 100644
--- a/source/dnode/mnode/impl/src/mndProfile.c
+++ b/source/dnode/mnode/impl/src/mndProfile.c
@@ -259,7 +259,7 @@ static int32_t mndProcessConnectReq(SRpcMsg *pReq) {
     if (pDb == NULL) {
       if (0 != strcmp(connReq.db, TSDB_INFORMATION_SCHEMA_DB) &&
           (0 != strcmp(connReq.db, TSDB_PERFORMANCE_SCHEMA_DB))) {
-        terrno = TSDB_CODE_MND_INVALID_DB;
+        terrno = TSDB_CODE_MND_DB_NOT_EXIST;
         mGError("user:%s, failed to login from %s while use db:%s since %s", pReq->info.conn.user, ip, connReq.db,
                 terrstr());
         goto _OVER;
@@ -313,7 +313,7 @@ _CONNECT:
   sprintf(obj, "%s:%d", ip, pConn->port);
 
   char detail[1000] = {0};
-  sprintf(detail, "connType:%d, db:%s, pid:%d, startTime:%" PRId64 ", sVer:%s, app:%s", 
+  sprintf(detail, "connType:%d, db:%s, pid:%d, startTime:%" PRId64 ", sVer:%s, app:%s",
           connReq.connType, connReq.db, connReq.pid, connReq.startTime, connReq.sVer, connReq.app);
 
   auditRecord(pReq, pMnode->clusterId, "login", connReq.user, obj, detail);
diff --git a/source/dnode/mnode/impl/src/mndStb.c b/source/dnode/mnode/impl/src/mndStb.c
index 14be05d973..3dddda9fed 100644
--- a/source/dnode/mnode/impl/src/mndStb.c
+++ b/source/dnode/mnode/impl/src/mndStb.c
@@ -2320,7 +2320,7 @@ static int32_t mndProcessAlterStbReq(SRpcMsg *pReq) {
 
   pDb = mndAcquireDbByStb(pMnode, alterReq.name);
   if (pDb == NULL) {
-    terrno = TSDB_CODE_MND_INVALID_DB;
+    terrno = TSDB_CODE_MND_DB_NOT_EXIST;
     goto _OVER;
   }
 
@@ -3616,7 +3616,7 @@ static int32_t mndProcessCreateIndexReq(SRpcMsg *pReq) {
 
   pDb = mndAcquireDbByStb(pMnode, tagIdxReq.dbFName);
   if (pDb == NULL) {
-    terrno = TSDB_CODE_MND_INVALID_DB;
+    terrno = TSDB_CODE_MND_DB_NOT_EXIST;
     goto _OVER;
   }
 
diff --git a/source/dnode/mnode/impl/test/profile/profile.cpp b/source/dnode/mnode/impl/test/profile/profile.cpp
index 6ab6d364cb..b1b94c65fb 100644
--- a/source/dnode/mnode/impl/test/profile/profile.cpp
+++ b/source/dnode/mnode/impl/test/profile/profile.cpp
@@ -65,7 +65,7 @@ TEST_F(MndTestProfile, 01_ConnectMsg) {
   connId = connectRsp.connId;
 }
 
-TEST_F(MndTestProfile, 02_ConnectMsg_InvalidDB) {
+TEST_F(MndTestProfile, 02_ConnectMsg_NotExistDB) {
   char passwd[] = "taosdata";
   char secretEncrypt[TSDB_PASSWORD_LEN + 1] = {0};
   taosEncryptPass_c((uint8_t*)passwd, strlen(passwd), secretEncrypt);
@@ -73,7 +73,7 @@ TEST_F(MndTestProfile, 02_ConnectMsg_InvalidDB) {
   SConnectReq connectReq = {0};
   connectReq.pid = 1234;
   strcpy(connectReq.app, "mnode_test_profile");
-  strcpy(connectReq.db, "invalid_db");
+  strcpy(connectReq.db, "not_exist_db");
   strcpy(connectReq.user, "root");
   strcpy(connectReq.passwd, secretEncrypt);
   strcpy(connectReq.sVer, version);
@@ -84,7 +84,7 @@ TEST_F(MndTestProfile, 02_ConnectMsg_InvalidDB) {
 
   SRpcMsg* pRsp = test.SendReq(TDMT_MND_CONNECT, pReq, contLen);
   ASSERT_NE(pRsp, nullptr);
-  ASSERT_EQ(pRsp->code, TSDB_CODE_MND_INVALID_DB);
+  ASSERT_EQ(pRsp->code, TSDB_CODE_MND_DB_NOT_EXIST);
   ASSERT_EQ(pRsp->contLen, 0);
 }
 
diff --git a/source/dnode/mnode/impl/test/stb/stb.cpp b/source/dnode/mnode/impl/test/stb/stb.cpp
index dd03917fc2..1adbb87e19 100644
--- a/source/dnode/mnode/impl/test/stb/stb.cpp
+++ b/source/dnode/mnode/impl/test/stb/stb.cpp
@@ -448,7 +448,7 @@ TEST_F(MndTestStb, 02_Alter_Stb_AddTag) {
   {
     void*    pReq = BuildAlterStbAddTagReq("1.d3.stb", "tag4", &contLen);
     SRpcMsg* pRsp = test.SendReq(TDMT_MND_ALTER_STB, pReq, contLen);
-    ASSERT_EQ(pRsp->code, TSDB_CODE_MND_INVALID_DB);
+    ASSERT_EQ(pRsp->code, TSDB_CODE_MND_DB_NOT_EXIST);
   }
 
   {
@@ -665,7 +665,7 @@ TEST_F(MndTestStb, 06_Alter_Stb_AddColumn) {
   {
     void*    pReq = BuildAlterStbAddColumnReq("1.d7.stb", "tag4", &contLen);
     SRpcMsg* pRsp = test.SendReq(TDMT_MND_ALTER_STB, pReq, contLen);
-    ASSERT_EQ(pRsp->code, TSDB_CODE_MND_INVALID_DB);
+    ASSERT_EQ(pRsp->code, TSDB_CODE_MND_DB_NOT_EXIST);
   }
 
   {