diff --git a/tests/pytest/insert/insertIntoTwoTables.py b/tests/pytest/insert/insertIntoTwoTables.py
index dc985fbe12efb5cfb7e511336e573a18abcaa358..8b4f423c3dae38a0d8218f7b113f2784259300b4 100644
--- a/tests/pytest/insert/insertIntoTwoTables.py
+++ b/tests/pytest/insert/insertIntoTwoTables.py
@@ -39,7 +39,7 @@ class TDTestCase:
 
         tdSql.query("select * from t0")
         tdSql.checkRows(1)
-        tdSql.checkData(0, 0, 1)
+        tdSql.checkData(0, 1, 1)
 
         tdSql.query("select * from t1")
         tdSql.checkRows(5)
diff --git a/tests/pytest/tag_lite/datatype.py b/tests/pytest/tag_lite/datatype.py
index f7fa9fa3a2dddaa3f352d02f74872ba42bd32f44..40f0ed7a090683faf149e56620ff63db7a52acb3 100644
--- a/tests/pytest/tag_lite/datatype.py
+++ b/tests/pytest/tag_lite/datatype.py
@@ -103,7 +103,7 @@ class TDTestCase:
         tdSql.execute('alter table stb add tag tnc nchar(10)')
         for tid in range(1, self.ntables + 1):
             tdSql.execute('alter table tb%d set tag tnc=\"%s\"' %
-                          (tid, str(tid * 1.2)))
+                          (tid, str(tid + 1000000000)))
         tdLog.info("insert %d data in to each %d tables" % (2, self.ntables))
         for rid in range(self.rowsPerTable + 1, self.rowsPerTable + 3):
             sqlcmd = ['insert into']