diff --git a/app_common/models/base.py b/app_common/models/base.py
index a621ed65..fe928793 100644
--- a/app_common/models/base.py
+++ b/app_common/models/base.py
@@ -9,9 +9,51 @@ from io import BytesIO
 from datetime import date, datetime, time
 import pytz
 
+# 常规的排除的fields
+EXCLU_FIELDS = [
+    '__last_update',
+    'access_token',
+    'access_url',
+    'access_warning',
+    'activity_date_deadline',
+    'activity_exception_decoration',
+    'activity_exception_icon',
+    'activity_ids',
+    'activity_state',
+    'activity_summary',
+    'activity_type_id',
+    'activity_user_id',
+    'display_name',
+    'message_attachment_count',
+    'message_channel_ids',
+    'message_follower_ids',
+    'message_has_error',
+    'message_has_error_counter',
+    'message_has_sms_error',
+    'message_ids',
+    'message_is_follower',
+    'message_main_attachment_id',
+    'message_needaction',
+    'message_needaction_counter',
+    'message_partner_ids',
+    'message_unread',
+    'message_unread_counter',
+    'website_message_ids',
+    'write_date',
+    'write_uid',
+]
+
 class Base(models.AbstractModel):
     _inherit = 'base'
-
+    
+    @api.model
+    def _get_normal_fields(self):
+        f_list = []
+        for k, v in self._fields.items():
+            if k not in EXCLU_FIELDS:
+                f_list.append(k)
+        return f_list
+        
     @api.model
     def _app_get_m2o_default(self, fieldname, domain=[]):
         if hasattr(self, fieldname) and self._fields[fieldname].type == 'many2one':