diff --git a/tests/pytest/insert/schemalessInsert.py b/tests/pytest/insert/schemalessInsert.py
index 78dc15dc8108868b8d30881dfdbaf647860ef79c..f4b1dde0005ced4f92f13341ed6ea370283085ce 100644
--- a/tests/pytest/insert/schemalessInsert.py
+++ b/tests/pytest/insert/schemalessInsert.py
@@ -29,6 +29,15 @@ class TDTestCase:
         tdSql.init(conn.cursor(), logSql)
         self._conn = conn 
 
+    def createDb(self, name="test", db_update_tag=0):
+        if db_update_tag == 0:
+            tdSql.execute(f"drop database if exists {name}")
+            tdSql.execute(f"create database if not exists {name} precision 'us'")
+        else:
+            tdSql.execute(f"drop database if exists {name}")
+            tdSql.execute(f"create database if not exists {name} precision 'us' update 1")
+        tdSql.execute(f'use {name}')
+
     def getLongName(self, len, mode = "mixed"):
         """
             generate long name
@@ -371,14 +380,13 @@ class TDTestCase:
         """
             test ts list --> ["1626006833639000000ns", "1626006833639019us", "1626006833640ms", "1626006834s", "1626006822639022"]
             # ! us级时间戳都为0时，数据库中查询显示，但python接口拿到的结果不显示 .000000的情况请确认，目前修改时间处理代码可以通过
-            # ! case bug
         """
         self.cleanStb()
         ts_list = ["1626006833639000000ns", "1626006833639019us", "1626006833640ms", "1626006834s", "1626006822639022", 0]
         for ts in ts_list:
-            print(ts)
             input_sql, stb_name, tb_name = self.genFullTypeSql(ts=ts)
-            self.resCmp(input_sql, stb_name, ts)
+            print(input_sql)
+            self.resCmp(input_sql, stb_name, ts=ts)
     
     def idSeqCheckCase(self):
         """
@@ -428,24 +436,16 @@ class TDTestCase:
             code = self._conn.insertLines([input_sql])
             tdSql.checkNotEqual(code, 0)
 
-        # print("insertLines result {}".format(code))
-        # query_sql = f"describe {stb_name}"
-        # insert_tag_col_num = len(self.resHandle(query_sql, True)[0])
-        # expected_num = 128 + 1023 + 1
-        # tdSql.checkEqual(insert_tag_col_num, expected_num)
-
-        # input_sql, stb_name = self.genLongSql(128, 1500)
-        # code = self._conn.insertLines([input_sql])
-        # print(f'code---{code}')
-
     def idIllegalNameCheckCase(self):
         """
             test illegal id name
+            mix "`~!@#$¥%^&*()-+={}|[]、「」【】\:;《》<>?"
         """
         self.cleanStb()
-        rstr = list("!@#$%^&*()-+={}|[]\:<>?")
+        rstr = list("`~!@#$¥%^&*()-+={}|[]、「」【】\:;《》<>?")
         for i in rstr:
             input_sql = self.genFullTypeSql(tb_name=f"\"aaa{i}bbb\"")[0]
+            print(input_sql)
             code = self._conn.insertLines([input_sql])
             tdSql.checkNotEqual(code, 0)
 
@@ -710,8 +710,6 @@ class TDTestCase:
         code = self._conn.insertLines([input_sql_col])
         tdSql.checkNotEqual(code, 0)
 
-
-
     ##### stb exist #####
     def noIdStbExistCheckCase(self):
         """
@@ -749,18 +747,28 @@ class TDTestCase:
         self.resCmp(input_sql, stb_name, condition=f'where tbname like "{tb_name}"')
 
     # ! use tb_name
-    # ! need to improve 目前输出未校验
     def tagColAddDupIDCheckCase(self):
         """
             check column and tag count add, stb and tb duplicate
+            * tag: alter table ...
+            * col: when update==0 and ts is same, unchange
+            * so this case tag&&value will be added, 
+            * col is added without value when update==0
+            * col is added with value when update==1
         """
         self.cleanStb()
-        input_sql, stb_name, tb_name = self.genFullTypeSql(t0="f", c0="f")
-        print(input_sql)
-        self.resCmp(input_sql, stb_name)
-        input_sql, stb_name, tb_name = self.genFullTypeSql(stb_name=stb_name, tb_name=f'{tb_name}', t0="f", c0="f", ct_add_tag=True)
-        print(input_sql)
-        # self.resCmp(input_sql, stb_name, condition=f'where tbname like "{tb_name}"')
+        for db_update_tag in [0, 1]:
+            if db_update_tag == 1 :
+                self.createDb("test_update", db_update_tag=db_update_tag)
+            input_sql, stb_name, tb_name = self.genFullTypeSql(t0="f", c0="f")
+            self.resCmp(input_sql, stb_name)
+            input_sql, stb_name, tb_name = self.genFullTypeSql(stb_name=stb_name, tb_name=f'{tb_name}', t0="f", c0="f", ct_add_tag=True)
+            if db_update_tag == 1 :
+                self.resCmp(input_sql, stb_name, condition=f'where tbname like "{tb_name}"')
+            else:
+                self.resCmp(input_sql, stb_name, condition=f'where tbname like "{tb_name}"', none_check_tag=True)
+
+        
 
     def tagColAddCheckCase(self):
         """
@@ -1069,7 +1077,7 @@ class TDTestCase:
         input_sql1 = "rfasta,id=\"rfasta_1\",t0=true,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11.12345f32,t6=22.123456789f64,t7=\"ddzhiksj\",t8=L\"ncharTagValue\" c0=True,c1=127i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22.123456789f64,c7=\"bnhwlgvj\",c8=L\"ncharTagValue\",c9=7u64 1626006833639000000ns"
 
         input_sql2 = "rfasta,t0=true,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11.12345f32,t6=22.123456789f64,t7=\"ddzhiksj\",t8=L\"ncharTagValue\" c0=True,c1=127i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22.123456789f64,c7=\"bnhwlgvj\",c8=L\"ncharColValue\",c9=7u64 1626006833639000000ns"
-        input_sql3 = f'abcd,id="cc$Ec",t0=True,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11.12345f32,t6=22.123456789f64,t7="ndsfdrum",t8=L"ncharTagValue" c0=f,c1=127i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22.123456789f64,c7="igwoehkm",c8=L"ncharColValue",c9=7u64 0'
+        input_sql3 = f'abcd,id="cc¥Ec",t0=True,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11.12345f32,t6=22.123456789f64,t7="ndsfdrum",t8=L"ncharTagValue" c0=f,c1=127i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22.123456789f64,c7="igwoehkm",c8=L"ncharColValue",c9=7u64 0'
         print(input_sql3)
         # input_sql4 = 'hmemeb,id="kilrcrldgf",t0=F,t1=127i8,t2=32767i16,t3=2147483647i32,t4=9223372036854775807i64,t5=11.12345f32,t6=22.123456789f64,t7="fysodjql",t8=L"ncharTagValue" c0=True,c1=127i8,c2=32767i16,c3=2147483647i32,c4=9223372036854775807i64,c5=11.12345f32,c6=22.123456789f64,c7="waszbfvc",c8=L"ncharColValue",c9=7u64 0'
 
@@ -1080,9 +1088,7 @@ class TDTestCase:
 
     def run(self):
         print("running {}".format(__file__))
-        tdSql.execute("drop database if exists test")
-        tdSql.execute("create database if not exists test precision 'us'")
-        tdSql.execute('use test')
+        self.createDb()
         
 
         # tdSql.execute("create table super_table_cname_check (ts timestamp, pi1 int, pi2 bigint, pf1 float, pf2 double, ps1 binary(10), pi3 smallint, pi4 tinyint, pb1 bool, ps2 nchar(20)) tags (si1 int, si2 bigint, sf1 float, sf2 double, ss1 binary(10), si3 smallint, si4 tinyint, sb1 bool, ss2 nchar(20));")
@@ -1092,7 +1098,6 @@ class TDTestCase:
         # self.initCheckCase()
         # self.boolTypeCheckCase()
         # self.symbolsCheckCase()
-        # ! case bug
         # self.tsCheckCase()
         # self.idSeqCheckCase()
         # self.idUpperCheckCase()
@@ -1120,7 +1125,7 @@ class TDTestCase:
         # self.tagColBinaryNcharLengthCheckCase()
 
         # ! 结果未校验
-        # self.tagColAddDupIDCheckCase()
+        self.tagColAddDupIDCheckCase()
 
         # self.tagColAddCheckCase()
         # self.tagMd5Check()
@@ -1146,7 +1151,7 @@ class TDTestCase:
         # ! concurrency conflict
 
         # self.sStbStbDdataDtsInsertMultiThreadCheckCase()
-        self.test()
+        # self.test()