diff --git a/tests/system-test/2-query/abs.py b/tests/system-test/2-query/abs.py
index 244cccb04143601d185757950bea2bc2e1181f5e..36f14a88b3ca06f90a053246d9f4680c1d462960 100644
--- a/tests/system-test/2-query/abs.py
+++ b/tests/system-test/2-query/abs.py
@@ -23,7 +23,6 @@ class TDTestCase:
         self.time_step = 1000
 
     def insert_datas_and_check_abs(self ,tbnums , rownums , time_step ):
-    
         tdLog.info(" prepare datas for auto check abs function ")
 
         tdSql.execute(" create database test ")
@@ -36,7 +35,7 @@ class TDTestCase:
 
             ts = self.ts
             for row in range(rownums):
-                ts += time_step*row
+                ts = self.ts + time_step*row
                 c1 = random.randint(0,10000)
                 c2 = random.randint(0,100000)
                 c3 = random.randint(0,125)
@@ -538,22 +537,23 @@ class TDTestCase:
         # tdSql.query(" select sum(c1) from stb1 where t1+10 >1; ")  #　taosd crash
         tdSql.query("select c1 ,t1 from stb1 where t1 =0 ")
         tdSql.checkRows(13)
-        # tdSql.query("select t1 from stb1 where t1 >0 ")
-        # tdSql.checkRows(3)
+        tdSql.query("select t1 from stb1 where t1 >0 ")
+        tdSql.checkRows(3)
+        tdSql.query("select t1 from stb1 where t1 =3 ")
+        tdSql.checkRows(1)
         # tdSql.query("select sum(t1) from (select c1 ,t1 from stb1)")
         # tdSql.checkData(0,0,61)
         # tdSql.query("select distinct(c1) ,t1 from stb1")
         # tdSql.checkRows(20)
-        # tdSql.query("select max(t2) , t1 ,c1, t2 from stb1")
-        # tdSql.checkData(0,3,33333)
+        tdSql.query("select max(t2) , t1 ,c1, t2 from stb1")
+        tdSql.checkData(0,3,33333)
 
         # tag filter with abs function
-        # tdSql.query("select t1 from stb1 where abs(t1)=1")
-        # tdSql.checkRows(1)
-        tdSql.query("select t1 from stb1 where abs(c1+t1)=1")
+        tdSql.query("select t1 from stb1 where abs(t1)=1")
         tdSql.checkRows(1)
-        # tdSql.query("select t1 from stb1 where abs(t1+c1)=1")
-        # tdSql.checkRows(1)
+        tdSql.query("select t1 from stb1 where abs(c1+t1)=1")
+        tdSql.checkRows(0)
+
         tdSql.query(
             "select abs(c1+t1)*t1 from stb1 where abs(c1)/floor(abs(ceil(t1))) ==1")