diff --git a/tests/system-test/2-query/abs.py b/tests/system-test/2-query/abs.py
index 6dc65ce3c2..f924cb7c3d 100644
--- a/tests/system-test/2-query/abs.py
+++ b/tests/system-test/2-query/abs.py
@@ -554,6 +554,9 @@ class TDTestCase:
         tdSql.query("select t1 from stb1 where abs(c1+t1)=1")
         tdSql.checkRows(1)
         tdSql.checkData(0,0,0)
+        
+        tdSql.query("select abs(c1) from (select ts , c1 ,t1 from stb1)")
+        tdSql.checkRows(25)
 
         tdSql.query(
             "select abs(c1+t1)*t1 from stb1 where abs(c1)/floor(abs(ceil(t1))) ==1")
diff --git a/tests/system-test/2-query/csum.py b/tests/system-test/2-query/csum.py
index 425597a919..91869cb012 100644
--- a/tests/system-test/2-query/csum.py
+++ b/tests/system-test/2-query/csum.py
@@ -435,8 +435,8 @@ class TDTestCase:
         tdSql.checkRows(40)
 
         # # bug need fix
-        # tdSql.query("select csum(st1+c1) from stb1 partition by tbname slimit 1 ")
-        # tdSql.checkRows(4)
+        tdSql.query("select csum(st1+c1) from stb1 partition by tbname slimit 1 ")
+        tdSql.checkRows(4)
         # tdSql.error("select csum(st1+c1) from stb1 partition by tbname limit 1 ")
 
 
diff --git a/tests/system-test/2-query/last_row.py b/tests/system-test/2-query/last_row.py
index c79e3b58fb..cbe83b5a30 100644
--- a/tests/system-test/2-query/last_row.py
+++ b/tests/system-test/2-query/last_row.py
@@ -722,10 +722,18 @@ class TDTestCase:
         tdSql.query("select last_row(ceil(c1-2)) , abs(floor(t1+1)) ,floor(c2-c1) from testdb.stb1 partition by abs(floor(c1)) order by abs(c1)")
         tdSql.checkRows(11)
 
+
+        tdSql.query("select max(c1) from stb1 interval(50s) sliding(30s)")
+        tdSql.checkRows(13)
+
+        tdSql.query("select unique(c1) from stb1 partition by tbname")
+
         # interval
+
         tdSql.query("select last_row(c1) from testdb.stb1 interval(50s) sliding(30s)")
         tdSql.checkRows(27)
 
+
         tdSql.query("select last_row(c1) from testdb.ct1 interval(50s) sliding(30s)")
         tdSql.checkRows(5)
         last_row_result = tdSql.queryResult
diff --git a/tests/system-test/2-query/max_partition.py b/tests/system-test/2-query/max_partition.py
index cf0d6639c2..0a7214ec75 100644
--- a/tests/system-test/2-query/max_partition.py
+++ b/tests/system-test/2-query/max_partition.py
@@ -162,10 +162,45 @@ class TDTestCase:
         tdSql.query("select tbname , max(c1) from stb partition by tbname interval(10s)")
         tdSql.checkRows(self.row_nums*2)
 
+        tdSql.query("select unique(c1) from stb partition  by tbname order by tbname")
+
         tdSql.query("select tbname , count(c1) from sub_stb_1 partition by tbname interval(10s)")
         tdSql.checkData(0,0,'sub_stb_1')
         tdSql.checkData(0,1,self.row_nums)
 
+        tdSql.query("select c1 , mavg(c1 ,2 ) from stb partition by c1")
+        tdSql.checkRows(72)
+
+        tdSql.query("select c1 , diff(c1 , 0) from stb partition by c1")
+        tdSql.checkRows(72)
+
+        tdSql.query("select c1 , csum(c1) from stb partition by c1")
+        tdSql.checkRows(80)
+
+        tdSql.query("select c1 , sample(c1,2) from stb partition by c1 order by c1")
+        tdSql.checkRows(21)
+        # bug need fix 
+        # tdSql.checkData(0,1,None)
+
+        tdSql.query("select c1 , twa(c1) from stb partition by c1 order by c1")
+        tdSql.checkRows(11)
+        tdSql.checkData(0,1,0.000000000)
+
+        tdSql.query("select c1 , irate(c1) from stb partition by c1 order by c1")
+        tdSql.checkRows(11)
+        tdSql.checkData(0,1,None)
+
+        tdSql.query("select c1 , DERIVATIVE(c1,2,1) from stb partition by c1 order by c1")
+        tdSql.checkRows(72)
+        # bug need fix 
+        # tdSql.checkData(0,1,None)
+
+
+
+
+
+
+
         # bug need fix 
         # tdSql.query(" select tbname , max(c1) from stb partition by tbname order by tbname slimit 5 soffset 0 ")  
         # tdSql.checkRows(5)
diff --git a/tests/system-test/2-query/sample.py b/tests/system-test/2-query/sample.py
index 84ff5a0056..b6bdd8926e 100644
--- a/tests/system-test/2-query/sample.py
+++ b/tests/system-test/2-query/sample.py
@@ -870,7 +870,10 @@ class TDTestCase:
         tdSql.query("select sample(c1 ,1000) from st")
         tdSql.checkRows(1000)
 
-
+        # bug need fix 
+        tdSql.query("select c1 ,t1, sample(c1,2) from db.stb1 partition by c1 ")
+        tdSql.query("select sample(c1,2) from db.stb1 partition by c1 ")
+        # tdSql.query("select c1 ,ind, sample(c1,2) from sample_db.st partition by c1 ")
 
     def run(self):
         import traceback