diff --git a/src/rpc/src/rpcTcp.c b/src/rpc/src/rpcTcp.c
index 5dd5e4015e6b01339da7756c863ace9fb9ec00d8..42940e80c12370a904f5bdf26aa0eed4ae9131d3 100644
--- a/src/rpc/src/rpcTcp.c
+++ b/src/rpc/src/rpcTcp.c
@@ -296,7 +296,7 @@ void *taosOpenTcpClientConnection(void *shandle, void *thandle, uint32_t ip, uin
   SThreadObj *    pThreadObj = shandle;
 
   int fd = taosOpenTcpClientSocket(ip, port, pThreadObj->ip);
-  if (fd <= 0) return NULL;
+  if (fd < 0) return NULL;
 
   SFdObj *pFdObj = taosMallocFdObj(pThreadObj, fd);
   
diff --git a/src/rpc/src/rpcUdp.c b/src/rpc/src/rpcUdp.c
index 6f6014b678f6f3440b5193e74abc12710119b956..9723080cdadceda994e0e791e2077314afb434e7 100644
--- a/src/rpc/src/rpcUdp.c
+++ b/src/rpc/src/rpcUdp.c
@@ -192,7 +192,7 @@ static void *taosRecvUdpData(void *param) {
 
     char *tmsg = malloc(dataLen + tsRpcOverhead);
     if (NULL == tmsg) {
-      tError("%s failed to allocate memory, size:%d", pConn->label, dataLen);
+      tError("%s failed to allocate memory, size:%ld", pConn->label, dataLen);
       continue;
     }
 
diff --git a/src/util/src/tqueue.c b/src/util/src/tqueue.c
index 428c40ef7afe254a032856833c6d1f4b7cd3f515..4cf7eb31640be9c8b2cd8dc728402f6b62b18460 100644
--- a/src/util/src/tqueue.c
+++ b/src/util/src/tqueue.c
@@ -145,7 +145,7 @@ int taosReadQitem(taos_queue param, int *type, void **pitem) {
       queue->numOfItems--;
       if (queue->qset) atomic_sub_fetch_32(&queue->qset->numOfItems, 1);
       code = 1;
-      uTrace("item:%p is read out from queue:%p, type:%d items:%d", *pitem, *type, queue->numOfItems);
+      uTrace("item:%p is read out from queue:%p, type:%d items:%d", *pitem, queue, *type, queue->numOfItems);
   } 
 
   pthread_mutex_unlock(&queue->mutex);