diff --git a/source/libs/transport/src/rpcMain.c b/source/libs/transport/src/rpcMain.c
index 3c58a76a44..b13ba25a2a 100644
--- a/source/libs/transport/src/rpcMain.c
+++ b/source/libs/transport/src/rpcMain.c
@@ -247,6 +247,9 @@ void *rpcOpen(const SRpcInit *pInit) {
   pRpc->connType = pInit->connType;
   if (pRpc->connType == TAOS_CONN_CLIENT) {
     pRpc->numOfThreads = pInit->numOfThreads;
+    if (pRpc->numOfThreads >= 10) {
+      pRpc->numOfThreads = 10;
+    }
   } else {
     pRpc->numOfThreads = pInit->numOfThreads > TSDB_MAX_RPC_THREADS ? TSDB_MAX_RPC_THREADS : pInit->numOfThreads;
   }
@@ -769,8 +772,8 @@ static SRpcConn *rpcAllocateServerConn(SRpcInfo *pRpc, SRecvInfo *pRecv) {
     }
 
     taosHashPut(pRpc->hash, hashstr, size, (char *)&pConn, POINTER_BYTES);
-    tDebug("%s %p server connection is allocated, uid:0x%x sid:%d key:%s spi:%d", pRpc->label, pConn, pConn->linkUid, sid,
-           hashstr, pConn->spi);
+    tDebug("%s %p server connection is allocated, uid:0x%x sid:%d key:%s spi:%d", pRpc->label, pConn, pConn->linkUid,
+           sid, hashstr, pConn->spi);
   }
 
   return pConn;
diff --git a/source/libs/transport/src/transCli.c b/source/libs/transport/src/transCli.c
index 4d384814ec..f265acf8c1 100644
--- a/source/libs/transport/src/transCli.c
+++ b/source/libs/transport/src/transCli.c
@@ -105,24 +105,23 @@ static void* clientThread(void* arg);
 static void clientHandleResp(SCliConn* conn) {
   STransConnCtx* pCtx = ((SCliMsg*)conn->data)->ctx;
   SRpcInfo*      pRpc = pCtx->pTransInst;
-  SRpcMsg        rpcMsg;
 
   STransMsgHead* pHead = (STransMsgHead*)(conn->readBuf.buf);
   pHead->code = htonl(pHead->code);
   pHead->msgLen = htonl(pHead->msgLen);
 
+  SRpcMsg rpcMsg;
   rpcMsg.contLen = transContLenFromMsg(pHead->msgLen);
   rpcMsg.pCont = transContFromHead(pHead);
   rpcMsg.code = pHead->code;
   rpcMsg.msgType = pHead->msgType;
-
-  // rpcMsg.pCont = conn->readBuf.buf;
-  // rpcMsg.contLen = conn->readBuf.len;
   rpcMsg.ahandle = pCtx->ahandle;
+
   (pRpc->cfp)(NULL, &rpcMsg, NULL);
   conn->notifyCount += 1;
 
   SCliThrdObj* pThrd = conn->hostThrd;
+  tfree(conn->data);
   addConnToPool(pThrd->pool, pCtx->ip, pCtx->port, conn);
 
   // start thread's timer of conn pool if not active
@@ -145,7 +144,7 @@ static void clientHandleExcept(SCliConn* pConn) {
   rpcMsg.code = -1;
   // SRpcInfo* pRpc = pMsg->ctx->pRpc;
   (pRpc->cfp)(NULL, &rpcMsg, NULL);
-
+  tfree(pConn->data);
   pConn->notifyCount += 1;
   destroyTransConnCtx(pCtx);
   clientConnDestroy(pConn, true);