diff --git a/tests/script/tsim/stream/streamTwaFwcInterval.sim b/tests/script/tsim/stream/streamTwaFwcInterval.sim
index d439bdccb3..c9ff7ef5e8 100644
--- a/tests/script/tsim/stream/streamTwaFwcInterval.sim
+++ b/tests/script/tsim/stream/streamTwaFwcInterval.sim
@@ -124,6 +124,171 @@ if $data11 != $query2_data11 then
   return loop1
 endi
 
+
+print step2
+print =============== create database
+sql create database test2 vgroups 4;
+sql use test2;
+
+sql create stable st(ts timestamp, a int, b int , c int)tags(ta int,tb int,tc int);
+sql create table t1 using st tags(1,1,1);
+sql create table t2 using st tags(2,2,2);
+
+sql create stream streams2 trigger force_window_close IGNORE EXPIRED 1 IGNORE UPDATE 1 into  streamt as select _wstart, count(*), ta  from st partition by tbname,ta interval(2s);
+
+run tsim/stream/checkTaskStatus.sim
+
+sql insert into t1 values(now +  3000a,1,1,1) (now +  3100a,3,10,10) (now +  3200a,5,10,10) (now + 5100a,20,1,1) (now + 5200a,30,10,10) (now + 5300a,40,10,10);
+sql insert into t2 values(now +  3000a,1,1,1) (now +  3100a,3,10,10) (now +  3200a,5,10,10) (now + 5100a,10,1,1) (now + 5200a,40,10,10) (now + 5300a,7,10,10);
+
+
+print sql select _wstart, count(*)  from t1 interval(2s) order by 1;
+sql select _wstart, count(*)  from t1 interval(2s) order by 1;
+
+$query1_data01 = $data01
+$query1_data11 = $data11
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+
+$loop_count = 0
+loop2:
+
+sleep 2000
+
+$loop_count = $loop_count + 1
+if $loop_count == 20 then
+  return -1
+endi
+
+print 2 sql select * from streamt where ta == 1 order by 1;
+sql select * from streamt where ta == 1 order by 1;
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $data01 != $query1_data01 then
+  print ======data01======$data01
+  print ====query1_data01=$query1_data01
+  return loop2
+endi
+
+if $data11 != $query1_data11 then
+  print ======data11========$data11
+  print ======query1_data11=$query1_data11
+  return loop2
+endi
+
+sql insert into t1 values(now +  3000a,1,1,1) (now +  3100a,3,10,10) (now +  3200a,5,10,10) (now + 5100a,20,1,1) (now + 5200a,30,10,10) (now + 5300a,40,10,10);
+sql insert into t2 values(now +  3000a,1,1,1) (now +  3100a,3,10,10) (now +  3200a,5,10,10) (now + 5100a,10,1,1) (now + 5200a,40,10,10) (now + 5300a,7,10,10);
+
+print sql select _wstart, count(*)  from t1 interval(2s) order by 1;
+sql select _wstart, count(*)  from t1 interval(2s) order by 1;
+
+$query1_data21 = $data21
+$query1_data31 = $data31
+
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+
+$loop_count = 0
+loop3:
+
+sleep 2000
+
+$loop_count = $loop_count + 1
+if $loop_count == 20 then
+  return -1
+endi
+
+print 2 sql select * from streamt where ta == 1 order by 1;
+sql select * from streamt where ta == 1 order by 1;
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $data21 != $query1_data21 then
+  print ======data21======$data21
+  print ====query1_data21=$query1_data21
+  return loop3
+endi
+
+if $data31 != $query1_data31 then
+  print ======data31========$data31
+  print ======query1_data31=$query1_data31
+  return loop3
+endi
+
+
+sql insert into t1 values(now +  3000a,1,1,1) (now +  3100a,3,10,10) (now +  3200a,5,10,10) (now + 5100a,20,1,1) (now + 5200a,30,10,10) (now + 5300a,40,10,10);
+sql insert into t2 values(now +  3000a,1,1,1) (now +  3100a,3,10,10) (now +  3200a,5,10,10) (now + 5100a,10,1,1) (now + 5200a,40,10,10) (now + 5300a,7,10,10);
+
+print sql select _wstart, count(*)  from t1 interval(2s) order by 1;
+sql select _wstart, count(*)  from t1 interval(2s) order by 1;
+
+$query1_data41 = $data41
+$query1_data51 = $data51
+
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+
+$loop_count = 0
+loop3:
+
+sleep 2000
+
+$loop_count = $loop_count + 1
+if $loop_count == 20 then
+  return -1
+endi
+
+print 2 sql select * from streamt where ta == 1 order by 1;
+sql select * from streamt where ta == 1 order by 1;
+
+print $data00 $data01 $data02 $data03 $data04
+print $data10 $data11 $data12 $data13 $data14
+print $data20 $data21 $data22 $data23 $data24
+print $data30 $data31 $data32 $data33 $data34
+print $data40 $data41 $data42 $data43 $data44
+print $data50 $data51 $data52 $data53 $data54
+
+if $data41 != $query1_data41 then
+  print ======data41======$data41
+  print ====query1_data41=$query1_data41
+  return loop3
+endi
+
+if $data51 != $query1_data51 then
+  print ======data51========$data51
+  print ======query1_data51=$query1_data51
+  return loop3
+endi
+
 print end
 
 system sh/exec.sh -n dnode1 -s stop -x SIGINT