diff --git a/tests/pytest/util/sql.py b/tests/pytest/util/sql.py
index ba9cb4d53d2ee733f4b087d7c4067e816cf8d112..8f62c5932b71049e97375ef6c57ecb563d204844 100644
--- a/tests/pytest/util/sql.py
+++ b/tests/pytest/util/sql.py
@@ -136,6 +136,11 @@ class TDSql:
     def checkData(self, row, col, data):
         self.checkRowCol(row, col) 
         if self.queryResult[row][col] != data:            
+            if self.cursor.istype(col, "TIMESTAMP") and self.queryResult[row][col] == datetime.datetime.fromisoformat(data):
+                tdLog.info("sql:%s, row:%d col:%d data:%s == expect:%s" %
+                            (self.sql, row, col, self.queryResult[row][col], data))
+                return
+
             if str(self.queryResult[row][col]) == str(data):
                 tdLog.info("sql:%s, row:%d col:%d data:%s == expect:%s" %
                             (self.sql, row, col, self.queryResult[row][col], data))