diff --git a/src/kit/taosnetwork/client.c b/src/kit/taosnetwork/client.c
index a4fc26f22f39b0979e70a2e7b0234715d99a3a60..26e292a1befe59ddcf14a19d702cda800bee02a5 100644
--- a/src/kit/taosnetwork/client.c
+++ b/src/kit/taosnetwork/client.c
@@ -28,7 +28,7 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#define MAX_PKG_LEN (16*1000)
+#define MAX_PKG_LEN (64*1000)
 #define BUFFER_SIZE (MAX_PKG_LEN + 1024)
 
 typedef struct {
@@ -107,9 +107,32 @@ int checkTcpPort(info_s *info) {
 
   send(clientSocket, sendbuf, info->pktLen, 0);
 
-  iDataNum = recv(clientSocket, recvbuf, BUFFER_SIZE, 0);
+  memset(recvbuf, 0, BUFFER_SIZE);
+  int   nleft, nread;
+  char *ptr = recvbuf;
+  nleft = info->pktLen;
+  while (nleft > 0) {
+    nread = recv(clientSocket, ptr, BUFFER_SIZE, 0);;
+  
+    if (nread == 0) {
+      break;
+    } else if (nread < 0) {
+      if (errno == EINTR) {
+        continue;
+      } else {
+        printf("recv ack pkg from TCP port: %d fail:%s.\n", port, strerror(errno));
+        close(clientSocket);
+        return -1;
+      }
+    } else {
+      nleft -= nread;
+      ptr += nread;
+      iDataNum += nread;
+    }      
+  }
+
   if (iDataNum < info->pktLen) {
-    printf("Read ack pkg len: %d, less than req pkg len: %d from tcp port: %d\n", iDataNum, info->pktLen, port);
+    printf("recv ack pkg len: %d, less than req pkg len: %d from tcp port: %d\n", iDataNum, info->pktLen, port);
     return -1;
   }
   //printf("Read ack pkg len:%d from tcp port: %d, buffer: %s  %s\n", info->pktLen, port, recvbuf, recvbuf+iDataNum-8);
diff --git a/src/kit/taosnetwork/server.c b/src/kit/taosnetwork/server.c
index 18565edb3ff4f7c6cf82ce5988870ffb76e63712..b18fbde46ea00f629d254d786f81d18c67bdcdf4 100644
--- a/src/kit/taosnetwork/server.c
+++ b/src/kit/taosnetwork/server.c
@@ -29,7 +29,7 @@
 #include <unistd.h>
 #include <pthread.h>
 
-#define MAX_PKG_LEN (16*1000)
+#define MAX_PKG_LEN (64*1000)
 #define BUFFER_SIZE (MAX_PKG_LEN + 1024)
 
 typedef struct {
@@ -119,7 +119,7 @@ static void *bindTcpPort(void *sarg) {
     char *ptr = buffer;
     nleft = pinfo->pktLen;
     while (nleft > 0) {
-      nread = recv(client, buffer, BUFFER_SIZE, 0);
+      nread = recv(client, ptr, BUFFER_SIZE, 0);
 
       if (nread == 0) {
         break;