diff --git a/tests/system-test/2-query/abs.py b/tests/system-test/2-query/abs.py
index d7478a55a88c2f3dc18fb26b6dee92ed57c248ae..485abf6605588bfc41e5b2304f784e1da26581f4 100644
--- a/tests/system-test/2-query/abs.py
+++ b/tests/system-test/2-query/abs.py
@@ -204,18 +204,12 @@ class TDTestCase:
                 row_check.append(elem)
             auto_result.append(row_check)
 
-        check_status = True
+
+        tdSql.query(abs_query)
         for row_index, row in enumerate(abs_result):
             for col_index, elem in enumerate(row):
-                if auto_result[row_index][col_index] != elem:
-                    check_status = False
-        if not check_status:
-            tdLog.notice(
-                "abs function value has not as expected , sql is \"%s\" " % abs_query)
-            sys.exit(1)
-        else:
-            tdLog.info(
-                "abs value check pass , it work as expected ,sql is \"%s\"   " % abs_query)
+                tdSql.checkData(row_index,col_index,auto_result[row_index][col_index])
+
 
     def test_errors(self):
         dbname = "testdb"
diff --git a/tests/system-test/2-query/arccos.py b/tests/system-test/2-query/arccos.py
index ed717741c5c13af584b33e19f81d4b06593473d0..df3061a0e06567fb46cb6335d3aef6e5f91006aa 100644
--- a/tests/system-test/2-query/arccos.py
+++ b/tests/system-test/2-query/arccos.py
@@ -86,21 +86,12 @@ class TDTestCase:
                 row_check.append(elem)
             auto_result.append(row_check)
 
-        check_status = True
-
+        tdSql.query(pow_query)
         for row_index , row in enumerate(pow_result):
             for col_index , elem in enumerate(row):
-                if auto_result[row_index][col_index] == None  and not (auto_result[row_index][col_index] == None and elem == None):
-                    check_status = False
-                elif auto_result[row_index][col_index] != None  and (auto_result[row_index][col_index] - elem > 0.00000001):
-                    check_status = False
-                else:
-                    pass
-        if not check_status:
-            tdLog.notice("acos function value has not as expected , sql is \"%s\" "%pow_query )
-            sys.exit(1)
-        else:
-            tdLog.info("acos value check pass , it work as expected ,sql is \"%s\"   "%pow_query )
+                
+                tdSql.checkData(row_index,col_index,auto_result[row_index][col_index])
+   
 
     def test_errors(self, dbname="db"):
         error_sql_lists = [
diff --git a/tests/system-test/2-query/arcsin.py b/tests/system-test/2-query/arcsin.py
index 71de08897936f2ba8e9d58ba7bd8e750205d6d7e..73985005ba19f5e829611a8db03898228c2927f6 100644
--- a/tests/system-test/2-query/arcsin.py
+++ b/tests/system-test/2-query/arcsin.py
@@ -86,21 +86,13 @@ class TDTestCase:
                 row_check.append(elem)
             auto_result.append(row_check)
 
-        check_status = True
-
+      
+        tdSql.query(pow_query)
         for row_index , row in enumerate(pow_result):
             for col_index , elem in enumerate(row):
-                if auto_result[row_index][col_index] == None  and not (auto_result[row_index][col_index] == None and elem == None):
-                    check_status = False
-                elif auto_result[row_index][col_index] != None  and (auto_result[row_index][col_index] - elem > 0.00000001):
-                    check_status = False
-                else:
-                    pass
-        if not check_status:
-            tdLog.notice("asin function value has not as expected , sql is \"%s\" "%pow_query )
-            sys.exit(1)
-        else:
-            tdLog.info("asin value check pass , it work as expected ,sql is \"%s\"   "%pow_query )
+                tdSql.checkData(row_index,col_index,auto_result[row_index][col_index])
+              
+      
 
     def test_errors(self, dbname="db"):
         error_sql_lists = [
diff --git a/tests/system-test/2-query/arctan.py b/tests/system-test/2-query/arctan.py
index 9780f9855bbf0f3beb305768c5691d78dc16588a..5964a2955a269ba8f59932266f03c9e330bb1bf2 100644
--- a/tests/system-test/2-query/arctan.py
+++ b/tests/system-test/2-query/arctan.py
@@ -84,22 +84,12 @@ class TDTestCase:
                 row_check.append(elem)
             auto_result.append(row_check)
 
-        check_status = True
-
+        tdSql.query(pow_query)
         for row_index , row in enumerate(pow_result):
             for col_index , elem in enumerate(row):
-                if auto_result[row_index][col_index] == None  and elem:
-                    check_status = False
-                elif auto_result[row_index][col_index] != None  and (auto_result[row_index][col_index] - elem > 0.00000001):
-                    check_status = False
-                else:
-                    pass
-        if not check_status:
-            tdLog.notice("atan function value has not as expected , sql is \"%s\" "%pow_query )
-            sys.exit(1)
-        else:
-            tdLog.info("atan value check pass , it work as expected ,sql is \"%s\"   "%pow_query )
+                tdSql.checkData(row_index,col_index,auto_result[row_index][col_index])
 
+               
     def test_errors(self, dbname="db"):
         error_sql_lists = [
             f"select atan from {dbname}.t1",
diff --git a/tests/system-test/2-query/ceil.py b/tests/system-test/2-query/ceil.py
index fffd484720b2ce7396340e2c75dd9acabe44c248..afc70d23a53a6831a93918b5e03f0a31ec951a37 100644
--- a/tests/system-test/2-query/ceil.py
+++ b/tests/system-test/2-query/ceil.py
@@ -85,16 +85,11 @@ class TDTestCase:
                 row_check.append(elem)
             auto_result.append(row_check)
 
-        check_status = True
+        tdSql.query(ceil_query)
         for row_index , row in enumerate(ceil_result):
             for col_index , elem in enumerate(row):
-                if auto_result[row_index][col_index] != elem:
-                    check_status = False
-        if not check_status:
-            tdLog.notice("ceil function value has not as expected , sql is \"%s\" "%ceil_query )
-            sys.exit(1)
-        else:
-            tdLog.info("ceil value check pass , it work as expected ,sql is \"%s\"   "%ceil_query )
+                tdSql.checkData(row_index,col_index,auto_result[row_index][col_index])
+               
 
     def test_errors(self, dbname="db"):
         error_sql_lists = [
diff --git a/tests/system-test/2-query/cos.py b/tests/system-test/2-query/cos.py
index d6bddc4e84597e8ddda9405e68c381848a688750..40b6257a5f72206a7c5e9aa100011b498bd66d05 100644
--- a/tests/system-test/2-query/cos.py
+++ b/tests/system-test/2-query/cos.py
@@ -84,26 +84,10 @@ class TDTestCase:
                 row_check.append(elem)
             auto_result.append(row_check)
 
-        check_status = True
-        print("========",pow_query, origin_query )
-
+        tdSql.query(pow_query)
         for row_index , row in enumerate(pow_result):
             for col_index , elem in enumerate(row):
-                if auto_result[row_index][col_index] == None  and elem:
-                    check_status = False
-                elif auto_result[row_index][col_index] != None  and ((auto_result[row_index][col_index] != elem) and (str(auto_result[row_index][col_index])[:6] != str(elem)[:6] )):
-                # elif auto_result[row_index][col_index] != None  and (abs(auto_result[row_index][col_index] - elem) > 0.000001):
-                    print("=====")
-                    print(row_index, col_index)
-                    print(auto_result[row_index][col_index], elem, origin_result[row_index][col_index])
-                    check_status = False
-                else:
-                    pass
-        if not check_status:
-            tdLog.notice("cos function value has not as expected , sql is \"%s\" "%pow_query )
-            sys.exit(1)
-        else:
-            tdLog.info("cos value check pass , it work as expected ,sql is \"%s\"   "%pow_query )
+                tdSql.checkData(row_index,col_index,auto_result[row_index][col_index])
 
     def test_errors(self, dbname="db"):
         error_sql_lists = [
diff --git a/tests/system-test/2-query/floor.py b/tests/system-test/2-query/floor.py
index 6a75872bcfa1115468568413ccfe483063591d08..2b53868b1a9179a7441c2a374d5539f615a3a034 100644
--- a/tests/system-test/2-query/floor.py
+++ b/tests/system-test/2-query/floor.py
@@ -85,16 +85,11 @@ class TDTestCase:
                 row_check.append(elem)
             auto_result.append(row_check)
 
-        check_status = True
+        tdSql.query(floor_query)
         for row_index , row in enumerate(floor_result):
             for col_index , elem in enumerate(row):
-                if auto_result[row_index][col_index] != elem:
-                    check_status = False
-        if not check_status:
-            tdLog.notice("floor function value has not as expected , sql is \"%s\" "%floor_query )
-            sys.exit(1)
-        else:
-            tdLog.info("floor value check pass , it work as expected ,sql is \"%s\"   "%floor_query )
+                tdSql.checkData(row_index,col_index,auto_result[row_index][col_index])
+                
 
     def test_errors(self, dbname=DBNAME):
         error_sql_lists = [
diff --git a/tests/system-test/2-query/log.py b/tests/system-test/2-query/log.py
index 7305a44f56b7b1aea6f0922bf1f9d33dde399606..ba4fb8cc96dcd5b07b2ac440395e78d617a6b3fe 100644
--- a/tests/system-test/2-query/log.py
+++ b/tests/system-test/2-query/log.py
@@ -91,7 +91,6 @@ class TDTestCase:
                             elem = math.log(elem , base)
                     elif elem <=0:
                         elem = None
-                    
                 row_check.append(elem)
             auto_result.append(row_check)
 
diff --git a/tests/system-test/2-query/round.py b/tests/system-test/2-query/round.py
index e3d98d698613c8620adfcaaeae0be72cec42fa15..1ad96b93d7996f3b926a4c4590a7811c76c66b4e 100644
--- a/tests/system-test/2-query/round.py
+++ b/tests/system-test/2-query/round.py
@@ -81,16 +81,12 @@ class TDTestCase:
                 row_check.append(elem)
             auto_result.append(row_check)
 
-        check_status = True
+        tdSql.query(round_query)
         for row_index , row in enumerate(round_result):
             for col_index , elem in enumerate(row):
-                if auto_result[row_index][col_index] != elem:
-                    check_status = False
-        if not check_status:
-            tdLog.notice("round function value has not as expected , sql is \"%s\" "%round_query )
-            sys.exit(1)
-        else:
-            tdLog.info("round value check pass , it work as expected ,sql is \"%s\"   "%round_query )
+                tdSql.checkData(row_index , col_index ,auto_result[row_index][col_index])
+                    
+       
 
     def test_errors(self, dbname="db"):
         error_sql_lists = [