diff --git a/tests/system-test/2-query/csum.py b/tests/system-test/2-query/csum.py
index 260528be0405c86aa6b92240ce4661fef5f27729..f38a99d80910713b892131f03fcc7fecdddf590a 100644
--- a/tests/system-test/2-query/csum.py
+++ b/tests/system-test/2-query/csum.py
@@ -279,14 +279,14 @@ class TDTestCase:
         tdSql.error(self.csum_query_form(alias=", diff(c1)"))   # mix with calculation function  2
         # tdSql.error(self.csum_query_form(alias=" + 2"))         # mix with arithmetic 1
         tdSql.error(self.csum_query_form(alias=" + avg(c1)"))   # mix with arithmetic 2
-        tdSql.error(self.csum_query_form(alias=", c2"))         # mix with other 1
+        # tdSql.error(self.csum_query_form(alias=", c2"))         # mix with other 1
         # tdSql.error(self.csum_query_form(table_expr="stb1"))    # select stb directly
-        stb_join = {
-            "col": "stb1.c1",
-            "table_expr": "stb1, stb2",
-            "condition": "where stb1.ts=stb2.ts and stb1.st1=stb2.st2 order by stb1.ts"
-        }
-        tdSql.error(self.csum_query_form(**stb_join))           # stb join
+        #stb_join = {
+        #    "col": "stb1.c1",
+        #    "table_expr": "stb1, stb2",
+        #    "condition": "where stb1.ts=stb2.ts and stb1.st1=stb2.st2 order by stb1.ts"
+        #}
+        #tdSql.error(self.csum_query_form(**stb_join))           # stb join
         interval_sql = {
             "condition": "where ts>0 and ts < now interval(1h) fill(next)"
         }
@@ -421,6 +421,19 @@ class TDTestCase:
         tdSql.query("select csum(abs(c1))+2 from db.t1 ")
         tdSql.checkRows(4)
 
+        # support selectivity
+        tdSql.query("select ts, c1, csum(1) from db.t1")
+        tdSql.checkRows(7)
+
+        tdSql.query("select csum(1), ts, c1 from db.t1")
+        tdSql.checkRows(7)
+
+        tdSql.query("select ts, c1, c2, c3, csum(1), ts, c4, c5, c6 from db.t1")
+        tdSql.checkRows(7)
+
+        tdSql.query("select ts, c1, csum(1), c4, c5, csum(1), c6 from db.t1")
+        tdSql.checkRows(7)
+
     def csum_support_stable(self):
         tdSql.query(" select csum(1) from db.stb1 ")
         tdSql.checkRows(70)
@@ -474,6 +487,7 @@ class TDTestCase:
         # tdSql.checkRows(4)
 
 
+
     def run(self):
         import traceback
         try:
diff --git a/tests/system-test/2-query/statecount.py b/tests/system-test/2-query/statecount.py
index 91e2aa9e47d06ba86d0e56c167437fab05abf2c5..a88c4aef9fdad7580d4d10a642093c80750b1c57 100644
--- a/tests/system-test/2-query/statecount.py
+++ b/tests/system-test/2-query/statecount.py
@@ -105,8 +105,6 @@ class TDTestCase:
             "select statecount(c1 ,'GT',1) , min(c1) from t1",
             "select statecount(c1 ,'GT',1) , spread(c1) from t1",
             "select statecount(c1 ,'GT',1) , diff(c1) from t1",
-            "select statecount(c1 ,'GT',1) , abs(c1) from t1",
-            "select statecount(c1 ,'GT',1) , c1 from t1",
         ]
         for error_sql in error_sql_lists:
             tdSql.error(error_sql)
@@ -227,17 +225,56 @@ class TDTestCase:
         tdSql.query("select statecount(c6,'GT',1) from ct4")
         tdSql.checkRows(12)
 
-        tdSql.error("select statecount(c6,'GT',1),tbname from ct1")
-        tdSql.error("select statecount(c6,'GT',1),t1 from ct1")
+        tdSql.query("select statecount(c6,'GT',1),tbname from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select statecount(c6,'GT',1),t1 from ct1")
+        tdSql.checkRows(13)
 
         # unique with common col
-        tdSql.error("select statecount(c6,'GT',1) ,ts  from ct1")
-        tdSql.error("select statecount(c6,'GT',1) ,c1  from ct1")
+        tdSql.query("select statecount(c6,'GT',1) ,ts from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select ts, statecount(c6,'GT',1) from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select statecount(c6,'GT',1) ,c1 from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select c1, statecount(c6,'GT',1) from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select ts, c1, c2, c3, statecount(c6,'GT',1) from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select statecount(c6,'GT',1), ts, c1, c2, c3 from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select ts, c1, c2, c3, statecount(c6,'GT',1), ts, c4, c5, c6 from ct1")
+        tdSql.checkRows(13)
+
+        tdSql.query("select stateduration(c6,'GT',1) ,ts from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select ts, stateduration(c6,'GT',1) from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select stateduration(c6,'GT',1) ,c1 from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select c1, stateduration(c6,'GT',1) from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select ts, c1, c2, c3, stateduration(c6,'GT',1) from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select stateduration(c6,'GT',1), ts, c1, c2, c3 from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select ts, c1, c2, c3, stateduration(c6,'GT',1), ts, c4, c5, c6 from ct1")
+        tdSql.checkRows(13)
 
         # unique with scalar function
-        tdSql.error("select statecount(c6,'GT',1) ,abs(c1)  from ct1")
+        tdSql.query("select statecount(c6,'GT',1) , abs(c1)  from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select statecount(c6,'GT',1) , abs(c2)+2 from ct1")
+        tdSql.checkRows(13)
+
         tdSql.error("select statecount(c6,'GT',1) , unique(c2) from ct1")
-        tdSql.error("select statecount(c6,'GT',1) , abs(c2)+2 from ct1")
+
+        tdSql.query("select stateduration(c6,'GT',1) , abs(c1)  from ct1")
+        tdSql.checkRows(13)
+        tdSql.query("select stateduration(c6,'GT',1) , abs(c2)+2 from ct1")
+        tdSql.checkRows(13)
+
+        tdSql.error("select stateduration(c6,'GT',1) , unique(c2) from ct1")
 
 
         # unique with aggregate function