diff --git a/backend/models/cronTab.py b/backend/models/cronTab.py
index ddca22efb869f4766b6ebaa7c45e4a95248cddba..006c5f5f100d743b2db442f3602cdc29a459d8f5 100644
--- a/backend/models/cronTab.py
+++ b/backend/models/cronTab.py
@@ -29,17 +29,6 @@ class CronTab(Model):
     interval = FloatField()
     runDate = DateField()
     alarmMailList = ArrayField()
-    isDingDingNotify = BooleanField(field_name='isDingDingNotify', default=False)
-    dingdingAccessToken = StringField()
-    dingdingNotifyStrategy = DictField(field_name='dingdingNotifyStrategy',
-                                       default={'success': True, 'fail': True},
-                                       expected_structure={
-                                           'expectedTypeRange': [dict],
-                                           'expectedDict': {
-                                               'success': {'expectedTypeRange': [bool]},
-                                               'fail': {'expectedTypeRange': [bool]}
-                                           }
-                                       })
     status = StringField(field_name='status', default='CREATED')
     createAt = DateField()
     creatorNickName = StringField()