diff --git a/yuthon_maintain/models/property_device_repair.py b/yuthon_maintain/models/property_device_repair.py
index 44514a058..ec69bbb97 100644
--- a/yuthon_maintain/models/property_device_repair.py
+++ b/yuthon_maintain/models/property_device_repair.py
@@ -8,6 +8,7 @@ from odoo.exceptions import UserError, ValidationError
 class PropertyDeviceRelief(models.Model):
     _name = 'property.device.repair'
     _description = '报事报修'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='标题', compute='_compute_name', store=True)
     code = fields.Char(string="报修编号",
diff --git a/yuthon_maintain/models/property_report_repair.py b/yuthon_maintain/models/property_report_repair.py
index b51dfce9b..f38bc52f5 100644
--- a/yuthon_maintain/models/property_report_repair.py
+++ b/yuthon_maintain/models/property_report_repair.py
@@ -8,6 +8,7 @@ from odoo.exceptions import UserError
 class PropertyRentRelief(models.Model):
     _name = 'property.report.repair'
     _description = '报事报修（物业）'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='标题', compute='_compute_name', store=True)
     code = fields.Char(string="报修编号",