diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index 7dc42042a9708f61526f54f0193ba12feeba9f39..0fad02da999bec1cfb1da6e8022e7bf33c3de1e9 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -128,12 +128,6 @@ void tscProcessActivityTimer(void *handle, void *tmrId) {
     if (NULL == pSql) return;
 
     pSql->fp = tscProcessHeartBeatRsp;
-    pSql->cmd.command = TSDB_SQL_HB;
-    
-    SQueryInfo *pQueryInfo = NULL;
-    tscGetQueryInfoDetailSafely(&pSql->cmd, 0, &pQueryInfo);
-    pQueryInfo->command = TSDB_SQL_HB;
-    
     
     SQueryInfo *pQueryInfo = NULL;
     tscGetQueryInfoDetailSafely(&pSql->cmd, 0, &pQueryInfo);
@@ -150,8 +144,6 @@ void tscProcessActivityTimer(void *handle, void *tmrId) {
     pObj->pHb = pSql;
     tscAddSubqueryInfo(&pObj->pHb->cmd);
 
-    tscAddSubqueryInfo(&pObj->pHb->cmd);
-
     tscTrace("%p pHb is allocated, pObj:%p", pObj->pHb, pObj);
   }