diff --git a/source/libs/transport/inc/transComm.h b/source/libs/transport/inc/transComm.h
index f0b54a82e7..c7a23a2482 100644
--- a/source/libs/transport/inc/transComm.h
+++ b/source/libs/transport/inc/transComm.h
@@ -182,7 +182,7 @@ typedef struct {
 
 #define TRANS_RESERVE_SIZE (sizeof(STranConnCtx))
 
-#define TRANS_MSG_OVERHEAD (sizeof(STransMsgHead) + sizeof(STransDigestMsg))
+#define TRANS_MSG_OVERHEAD (sizeof(STransMsgHead))
 #define transHeadFromCont(cont) ((STransMsgHead*)((char*)cont - sizeof(STransMsgHead)))
 #define transContFromHead(msg) (msg + sizeof(STransMsgHead))
 #define transMsgLenFromCont(contLen) (contLen + sizeof(STransMsgHead))
@@ -201,6 +201,7 @@ bool transDecompressMsg(char* msg, int32_t len, int32_t* flen);
 
 void transConnCtxDestroy(STransConnCtx* ctx);
 
+void transFreeMsg(void* msg);
 typedef struct SConnBuffer {
   char* buf;
   int   len;
diff --git a/source/libs/transport/src/transCli.c b/source/libs/transport/src/transCli.c
index 67afd46b1c..4d384814ec 100644
--- a/source/libs/transport/src/transCli.c
+++ b/source/libs/transport/src/transCli.c
@@ -107,8 +107,17 @@ static void clientHandleResp(SCliConn* conn) {
   SRpcInfo*      pRpc = pCtx->pTransInst;
   SRpcMsg        rpcMsg;
 
-  rpcMsg.pCont = conn->readBuf.buf;
-  rpcMsg.contLen = conn->readBuf.len;
+  STransMsgHead* pHead = (STransMsgHead*)(conn->readBuf.buf);
+  pHead->code = htonl(pHead->code);
+  pHead->msgLen = htonl(pHead->msgLen);
+
+  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;
@@ -128,8 +137,12 @@ static void clientHandleExcept(SCliConn* pConn) {
   STransConnCtx* pCtx = pMsg->ctx;
   SRpcInfo*      pRpc = pCtx->pTransInst;
 
-  SRpcMsg rpcMsg;
+  transFreeMsg((pMsg->msg.pCont));
+  pMsg->msg.pCont = NULL;
+
+  SRpcMsg rpcMsg = {0};
   rpcMsg.ahandle = pCtx->ahandle;
+  rpcMsg.code = -1;
   // SRpcInfo* pRpc = pMsg->ctx->pRpc;
   (pRpc->cfp)(NULL, &rpcMsg, NULL);
 
@@ -306,6 +319,10 @@ static void clientDestroy(uv_handle_t* handle) {
 static void clientWriteCb(uv_write_t* req, int status) {
   SCliConn* pConn = req->data;
 
+  SCliMsg* pMsg = pConn->data;
+  transFreeMsg((pMsg->msg.pCont));
+  pMsg->msg.pCont = NULL;
+
   if (status == 0) {
     tDebug("conn %p data already was written out", pConn);
   } else {
diff --git a/source/libs/transport/src/transComm.c b/source/libs/transport/src/transComm.c
index 617abeea39..5bece11bec 100644
--- a/source/libs/transport/src/transComm.c
+++ b/source/libs/transport/src/transComm.c
@@ -191,4 +191,11 @@ void transConnCtxDestroy(STransConnCtx* ctx) {
   free(ctx->ip);
   free(ctx);
 }
+
+void transFreeMsg(void* msg) {
+  if (msg == NULL) {
+    return;
+  }
+  free((char*)msg - sizeof(STransMsgHead));
+}
 #endif
diff --git a/source/libs/transport/src/transSrv.c b/source/libs/transport/src/transSrv.c
index 34e621f0f3..c70b1a5b28 100644
--- a/source/libs/transport/src/transSrv.c
+++ b/source/libs/transport/src/transSrv.c
@@ -321,6 +321,10 @@ void uvOnWriteCb(uv_write_t* req, int status) {
   buf->len = 0;
   memset(buf->buf, 0, buf->cap);
   buf->left = -1;
+
+  SRpcMsg* pMsg = &conn->sendMsg;
+  transFreeMsg(pMsg->pCont);
+
   if (status == 0) {
     tDebug("conn %p data already was written on stream", conn);
   } else {