diff --git a/source/libs/transport/src/transport.c b/source/libs/transport/src/transport.c
index 93bbaf2820..6cc2ca8c49 100644
--- a/source/libs/transport/src/transport.c
+++ b/source/libs/transport/src/transport.c
@@ -101,6 +101,13 @@ typedef struct SThreadObj {
   void*           shandle;
 } SThreadObj;
 
+typedef struct SClientObj {
+  char         label[TSDB_LABEL_LEN];
+  int32_t      index;
+  int          numOfThreads;
+  SThreadObj** pThreadObj;
+} SClientObj;
+
 #define RPC_MSG_OVERHEAD (sizeof(SRpcReqContext) + sizeof(SRpcHead) + sizeof(SRpcDigest))
 #define rpcHeadFromCont(cont) ((SRpcHead*)((char*)cont - sizeof(SRpcHead)))
 #define rpcContFromHead(msg) (msg + sizeof(SRpcHead))
@@ -113,7 +120,7 @@ typedef struct SServerObj {
   uv_tcp_t     server;
   uv_loop_t*   loop;
   int          workerIdx;
-  int          numOfThread;
+  int          numOfThreads;
   SThreadObj** pThreadObj;
   uv_pipe_t**  pipe;
   uint32_t     ip;
@@ -179,18 +186,37 @@ static void* acceptThread(void* arg);
 void* taosInitClient(uint32_t ip, uint32_t port, char* label, int numOfThreads, void* fp, void* shandle);
 void* taosInitServer(uint32_t ip, uint32_t port, char* label, int numOfThreads, void* fp, void* shandle);
 
+void* (*taosHandle[])(uint32_t ip, uint32_t port, char* label, int numOfThreads, void* fp, void* shandle) = {taosInitServer, taosInitClient};
+
+void* taosInitClient(uint32_t ip, uint32_t port, char* label, int numOfThreads, void* fp, void* shandle) {
+  SClientObj* cli = calloc(1, sizeof(SClientObj));
+  memcpy(cli->label, label, strlen(label));
+  cli->numOfThreads = numOfThreads;
+  cli->pThreadObj = (SThreadObj**)calloc(cli->numOfThreads, sizeof(SThreadObj*));
+
+  for (int i = 0; i < cli->numOfThreads; i++) {
+    SThreadObj* thrd = (SThreadObj*)calloc(1, sizeof(SThreadObj));
+
+    int err = pthread_create(&thrd->thread, NULL, workerThread, (void*)(thrd));
+    if (err == 0) {
+      tDebug("sucess to create tranport-client thread %d", i);
+    }
+  }
+  return cli;
+}
+
 void* taosInitServer(uint32_t ip, uint32_t port, char* label, int numOfThreads, void* fp, void* shandle) {
   SServerObj* srv = calloc(1, sizeof(SServerObj));
   srv->loop = (uv_loop_t*)malloc(sizeof(uv_loop_t));
-  srv->numOfThread = numOfThreads;
+  srv->numOfThreads = numOfThreads;
   srv->workerIdx = 0;
-  srv->pThreadObj = (SThreadObj**)calloc(srv->numOfThread, sizeof(SThreadObj*));
-  srv->pipe = (uv_pipe_t**)calloc(srv->numOfThread, sizeof(uv_pipe_t*));
+  srv->pThreadObj = (SThreadObj**)calloc(srv->numOfThreads, sizeof(SThreadObj*));
+  srv->pipe = (uv_pipe_t**)calloc(srv->numOfThreads, sizeof(uv_pipe_t*));
   srv->ip = ip;
   srv->port = port;
   uv_loop_init(srv->loop);
 
-  for (int i = 0; i < srv->numOfThread; i++) {
+  for (int i = 0; i < srv->numOfThreads; i++) {
     SThreadObj* thrd = (SThreadObj*)calloc(1, sizeof(SThreadObj));
     srv->pipe[i] = (uv_pipe_t*)calloc(2, sizeof(uv_pipe_t));
     int fds[2];
@@ -299,8 +325,7 @@ static int uvAuthMsg(SRpcConn* pConn, char* msg, int len) {
   if (!rpcIsReq(pHead->msgType)) {
     // for response, if code is auth failure, it shall bypass the auth process
     code = htonl(pHead->code);
-    if (code == TSDB_CODE_RPC_INVALID_TIME_STAMP || code == TSDB_CODE_RPC_AUTH_FAILURE ||
-        code == TSDB_CODE_RPC_INVALID_VERSION || code == TSDB_CODE_RPC_AUTH_REQUIRED ||
+    if (code == TSDB_CODE_RPC_INVALID_TIME_STAMP || code == TSDB_CODE_RPC_AUTH_FAILURE || code == TSDB_CODE_RPC_INVALID_VERSION || code == TSDB_CODE_RPC_AUTH_REQUIRED ||
         code == TSDB_CODE_MND_USER_NOT_EXIST || code == TSDB_CODE_RPC_NOT_READY) {
       pHead->msgLen = (int32_t)htonl((uint32_t)pHead->msgLen);
       // tTrace("%s, dont check authentication since code is:0x%x", pConn->info, code);
@@ -460,7 +485,7 @@ void uvOnAcceptCb(uv_stream_t* stream, int status) {
 
     uv_buf_t buf = uv_buf_init((char*)notify, strlen(notify));
 
-    pObj->workerIdx = (pObj->workerIdx + 1) % pObj->numOfThread;
+    pObj->workerIdx = (pObj->workerIdx + 1) % pObj->numOfThreads;
     tDebug("new conntion accepted by main server, dispatch to %dth worker-thread", pObj->workerIdx);
     uv_write2(wr, (uv_stream_t*)&(pObj->pipe[pObj->workerIdx][0]), &buf, 1, (uv_stream_t*)cli, uvOnWriteCb);
   } else {
@@ -587,7 +612,9 @@ void* rpcOpen(const SRpcInit* pInit) {
     tstrncpy(pRpc->label, pInit->label, strlen(pInit->label));
   }
   pRpc->numOfThreads = pInit->numOfThreads > TSDB_MAX_RPC_THREADS ? TSDB_MAX_RPC_THREADS : pInit->numOfThreads;
-  pRpc->tcphandle = taosInitServer(0, pInit->localPort, pRpc->label, pRpc->numOfThreads, NULL, pRpc);
+  pRpc->connType = pInit->connType;
+  pRpc->tcphandle = (*taosHandle[pRpc->connType])(0, pInit->localPort, pRpc->label, pRpc->numOfThreads, NULL, pRpc);
+  // pRpc->taosInitServer(0, pInit->localPort, pRpc->label, pRpc->numOfThreads, NULL, pRpc);
   return pRpc;
 }
 void  rpcClose(void* arg) { return; }