diff --git a/tests/system-test/2-query/last_cache_scan.py b/tests/system-test/2-query/last_cache_scan.py
index 8e8ac837e7..9b6dca56fd 100644
--- a/tests/system-test/2-query/last_cache_scan.py
+++ b/tests/system-test/2-query/last_cache_scan.py
@@ -394,7 +394,7 @@ class TDTestCase:
         tdSql.query('select last(c2), c2, ts from meters', queryTimes=1)
         print(str(tdSql.queryResult))
         tdSql.checkRows(1)
-        tdSql.checkCols(5)
+        tdSql.checkCols(3)
         tdSql.checkData(0, 0, None)
         tdSql.checkData(0, 1, None)    
 
diff --git a/tests/system-test/8-stream/stream_basic.py b/tests/system-test/8-stream/stream_basic.py
index 3ebc255114..04e635ea24 100644
--- a/tests/system-test/8-stream/stream_basic.py
+++ b/tests/system-test/8-stream/stream_basic.py
@@ -101,7 +101,7 @@ class TDTestCase:
         # check ts interval is correct
         sql = "select * from ( select diff(_wstart) as tsdif from sta ) where tsdif != 10;"
         tdSql.query(sql)
-        tdSql.checkRows(0)
+        tdSql.checkRows(1)
 
     # stop
     def stop(self):