diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 2943de116d..a59fa7a2d6 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -276,6 +276,7 @@ static int32_t tDeserializeSClientHbReq(SDecoder *pDecoder, SClientHbReq *pReq)
       pReq->query = taosMemoryCalloc(1, sizeof(*pReq->query));
       if (NULL == pReq->query) return -1;
       if (tDecodeU32(pDecoder, &pReq->query->connId) < 0) return -1;
+      
       int32_t num = 0;
       if (tDecodeI32(pDecoder, &num) < 0) return -1;
       if (num > 0) {