diff --git a/source/dnode/vnode/src/vnd/vnodeSvr.c b/source/dnode/vnode/src/vnd/vnodeSvr.c
index fb8d230eba..c05c6a0f25 100644
--- a/source/dnode/vnode/src/vnd/vnodeSvr.c
+++ b/source/dnode/vnode/src/vnd/vnodeSvr.c
@@ -1656,7 +1656,7 @@ _err:
 }
 static int32_t vnodeProcessDropIndexReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
   SDropIndexReq req = {0};
-  pRsp->msgType = TDMT_VND_CREATE_INDEX_RSP;
+  pRsp->msgType = TDMT_VND_DROP_INDEX_RSP;
   pRsp->code = TSDB_CODE_SUCCESS;
   pRsp->pCont = NULL;
   pRsp->contLen = 0;
@@ -1665,6 +1665,7 @@ static int32_t vnodeProcessDropIndexReq(SVnode *pVnode, int64_t version, void *p
     terrno = TSDB_CODE_INVALID_MSG;
     return -1;
   }
+
   if (metaDropIndexFromSTable(pVnode->pMeta, version, &req) < 0) {
     pRsp->code = terrno;
     return -1;
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index 33b562c8dd..a19a022b01 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -211,8 +211,8 @@ TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_FUNC_BUFSIZE,     "Invalid func bufSize"
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_FUNC_COMMENT,     "Invalid func comment")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_FUNC_RETRIEVE,    "Invalid func retrieve msg")
 
-TAOS_DEFINE_ERROR(TSDB_CODE_MND_TAG_INDEX_ALREADY_EXIST,  "Tag index already exists")
-TAOS_DEFINE_ERROR(TSDB_CODE_MND_TAG_INDEX_NOT_EXIST,  "Tag index not exists")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_TAG_INDEX_ALREADY_EXIST,  "index already exists")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_TAG_INDEX_NOT_EXIST,  "index not exist")
 
 
 // mnode-db
@@ -301,9 +301,9 @@ TAOS_DEFINE_ERROR(TSDB_CODE_MND_TOO_MANY_STREAMS,         "Too many streams")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_TARGET_TABLE,     "Cannot write the same stable as other stream")
 
 // mnode-sma
-TAOS_DEFINE_ERROR(TSDB_CODE_MND_SMA_ALREADY_EXIST,        "SMA already exists")
-TAOS_DEFINE_ERROR(TSDB_CODE_MND_SMA_NOT_EXIST,            "SMA does not exist")
-TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_SMA_OPTION,       "Invalid sma option")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_SMA_ALREADY_EXIST,        "index already exists")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_SMA_NOT_EXIST,            "index not exist")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_SMA_OPTION,       "Invalid sma index option")
 
 // dnode
 TAOS_DEFINE_ERROR(TSDB_CODE_DNODE_OFFLINE,                "Dnode is offline")