diff --git a/src/client/src/tscLocalMerge.c b/src/client/src/tscLocalMerge.c
index 8436777ddf..0733593284 100644
--- a/src/client/src/tscLocalMerge.c
+++ b/src/client/src/tscLocalMerge.c
@@ -1349,7 +1349,6 @@ static bool doHandleLastRemainData(SSqlObj *pSql) {
       ((pRes->numOfRowsGroup < pQueryInfo->limit.limit && pQueryInfo->limit.limit > 0) || (pQueryInfo->limit.limit < 0))) {
       int64_t etime = (pQueryInfo->window.skey < pQueryInfo->window.ekey) ? pQueryInfo->window.ekey : pQueryInfo->window.skey;
 
-      assert(pFillInfo->numOfRows == 0);
       int32_t rows = (int32_t)getFilledNumOfRes(pFillInfo, etime, pLocalReducer->resColModel->capacity);
       if (rows > 0) {  // do interpo
         doFillResult(pSql, pLocalReducer, true);
diff --git a/tests/script/general/parser/lastrow_query.sim b/tests/script/general/parser/lastrow_query.sim
index e43cc15173..72e8b4de95 100644
--- a/tests/script/general/parser/lastrow_query.sim
+++ b/tests/script/general/parser/lastrow_query.sim
@@ -51,3 +51,7 @@ if $data09 != NCHAR then
   return -1
 endi
 
+sql select count(*) from lr_tb1 where ts>'2018-09-18 08:45:00.1' and ts<'2018-09-18 08:45:00.2'
+if $row != 0 then
+  return -1
+endi
diff --git a/tests/script/general/parser/testSuite.sim b/tests/script/general/parser/testSuite.sim
index dd4faee959..ccd1aa9940 100644
--- a/tests/script/general/parser/testSuite.sim
+++ b/tests/script/general/parser/testSuite.sim
@@ -97,6 +97,8 @@ run general/parser/topbot.sim
 sleep 2000
 run general/parser/union.sim
 sleep 2000
+run general/parser/bug.sim
+sleep 2000
 run general/parser/sliding.sim
 
 #sleep 2000