diff --git a/.travis.yml b/.travis.yml
index f252f66a4c..b0911716c5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -38,6 +38,7 @@ matrix:
       - make > /dev/null
 
     after_success:
+      - travis_wait 20
       - |-
         case $TRAVIS_OS_NAME in
           linux)
diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 4b9d2b920f..b8fd195aa6 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -759,10 +759,6 @@ void tscCloseTscObj(STscObj* pObj) {
   taosTmrStopA(&(pObj->pTimer));
   tscFreeSqlObj(pSql);
 
-  if (pSql) {
-    sem_destroy(&pSql->rspSem);
-  }
-  
   pthread_mutex_destroy(&pObj->mutex);
   
   if (pObj->pDnodeConn != NULL) {
diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 63be743ef4..1b87b691cb 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -4122,7 +4122,6 @@ static int64_t queryOnDataBlocks(SQInfo *pQInfo) {
   
     assert(pTableQueryInfo != NULL);
     restoreIntervalQueryRange(pRuntimeEnv, pTableQueryInfo);
-    printf("table:%d, groupIndex:%d, rows:%d\n", pTableQueryInfo->id.tid, pTableQueryInfo->groupIndex, blockInfo.tid);
 
     SDataStatis *pStatis = NULL;