diff --git a/soong_workflow/models/soong_workflow_entrust.py b/soong_workflow/models/soong_workflow_entrust.py
index ac1100a9a..500fadba4 100644
--- a/soong_workflow/models/soong_workflow_entrust.py
+++ b/soong_workflow/models/soong_workflow_entrust.py
@@ -124,7 +124,7 @@ class SoongWorkflowEntrust(models.Model):
 
 class EntrustAll(models.Model):
     _name = "entrust.all"
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _description = "全部流程"
 
     name = fields.Char(string='name')
diff --git a/yuthon_holiday/models/yuthon_fixes_approval.py b/yuthon_holiday/models/yuthon_fixes_approval.py
index 9439b14d8..f160934a4 100644
--- a/yuthon_holiday/models/yuthon_fixes_approval.py
+++ b/yuthon_holiday/models/yuthon_fixes_approval.py
@@ -5,7 +5,7 @@ from odoo import models, fields, api
 class YuthonFixesApproval(models.Model):
     _name = 'yuthon.fixes.approval'
     _description = '假期修正审批'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     yuthon_company = fields.Selection(related='users_id.employee_id.yuthon_company', string="公司")
     name = fields.Char(string="标题")
diff --git a/yuthon_hr_attendance/models/attendance_scheme.py b/yuthon_hr_attendance/models/attendance_scheme.py
index e8497d113..48157e01a 100644
--- a/yuthon_hr_attendance/models/attendance_scheme.py
+++ b/yuthon_hr_attendance/models/attendance_scheme.py
@@ -4,7 +4,7 @@ from odoo import api, fields, models, tools
 class AttendanceScheme(models.Model):
     _name = 'attendance.scheme'
     _description = '考勤方案'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称', required=True)
     employee_name = fields.Char(string='姓名', required=True)
diff --git a/yuthon_hr_attendance/models/yuthon_abnormal_approval.py b/yuthon_hr_attendance/models/yuthon_abnormal_approval.py
index 20adb7ead..75c3bcf21 100644
--- a/yuthon_hr_attendance/models/yuthon_abnormal_approval.py
+++ b/yuthon_hr_attendance/models/yuthon_abnormal_approval.py
@@ -5,7 +5,7 @@ from odoo.exceptions import UserError
 
 class YuthonAbnormalApproval(models.Model):
     _name = 'yuthon.abnormal.approval'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _description = '值班补卡审批'
     _rec_name = 'name'
 
diff --git a/yuthon_hr_attendance/models/yuthon_adjustments_approval.py b/yuthon_hr_attendance/models/yuthon_adjustments_approval.py
index cd9ec5940..3e66b7e61 100644
--- a/yuthon_hr_attendance/models/yuthon_adjustments_approval.py
+++ b/yuthon_hr_attendance/models/yuthon_adjustments_approval.py
@@ -5,7 +5,7 @@ from odoo.exceptions import UserError
 
 class YuthonAdjustmentsApproval(models.Model):
     _name = 'yuthon.adjustments.approval'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _description = '值班调休审批'
     _rec_name = 'name'
 
diff --git a/yuthon_hr_attendance/models/yuthon_shift_approval.py b/yuthon_hr_attendance/models/yuthon_shift_approval.py
index 9794621df..c8eb5d435 100644
--- a/yuthon_hr_attendance/models/yuthon_shift_approval.py
+++ b/yuthon_hr_attendance/models/yuthon_shift_approval.py
@@ -5,7 +5,7 @@ from odoo.exceptions import UserError
 
 class YuthonShiftApproval(models.Model):
     _name = 'yuthon.shift.approval'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _description = '值班换班审批'
 
     yuthon_company = fields.Selection(related='users_id.employee_id.yuthon_company', string="公司")
diff --git a/yuthon_hr_employee_approval/__manifest__.py b/yuthon_hr_employee_approval/__manifest__.py
index 8f948a7aa..c19e55ee2 100644
--- a/yuthon_hr_employee_approval/__manifest__.py
+++ b/yuthon_hr_employee_approval/__manifest__.py
@@ -11,7 +11,8 @@
     'license': 'LGPL-3',
     'author': 'pengyuthon',
     'website': 'https://www.pengyuthon.com',
-    'depends': ['base', 'hr', 'yuthon_hr_employee', 'soong_workflow', 'documents', 'hr_recruitment', 'room','yuthon_issue'],
+    'depends': ['base', 'hr', 'yuthon_hr_employee', 'soong_workflow', 'documents', 'hr_recruitment',
+                'room', 'yuthon_issue', 'mail'],
     'data': [
         'security/ir.model.access.csv',
         'data/process_code_data.xml',
diff --git a/yuthon_hr_employee_approval/models/yuthon_account_approval.py b/yuthon_hr_employee_approval/models/yuthon_account_approval.py
index 327b247ad..8340934ce 100644
--- a/yuthon_hr_employee_approval/models/yuthon_account_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_account_approval.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonAccountApproval(models.Model):
     _name = 'yuthon.account.approval'
     _description = '薪资核算申请表'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称')
     code = fields.Char(string="编号", default=lambda self: self.env['ir.sequence'].next_by_code('yuthon_account_approval_code'))
diff --git a/yuthon_hr_employee_approval/models/yuthon_appointment_approval.py b/yuthon_hr_employee_approval/models/yuthon_appointment_approval.py
index f763e4d3e..06dcb5be8 100644
--- a/yuthon_hr_employee_approval/models/yuthon_appointment_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_appointment_approval.py
@@ -5,7 +5,7 @@ from odoo.exceptions import UserError
 class YuthonAppointmentApproval(models.Model):
     _name = 'yuthon.appointment.approval'
     _description = '职称聘任申请表'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     code = fields.Char(string="编号",
                        default=lambda self: self.env['ir.sequence'].next_by_code('yuthon_appointment_approval_code'))
diff --git a/yuthon_hr_employee_approval/models/yuthon_enrollment_approval.py b/yuthon_hr_employee_approval/models/yuthon_enrollment_approval.py
index 791447b49..10322c58e 100644
--- a/yuthon_hr_employee_approval/models/yuthon_enrollment_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_enrollment_approval.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonEnrollmentApproval(models.Model):
     _name = 'yuthon.enrollment.approval'
     _description = '参保方案申请表'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
 
     name = fields.Char(string='名称')
diff --git a/yuthon_hr_employee_approval/models/yuthon_interview_approval.py b/yuthon_hr_employee_approval/models/yuthon_interview_approval.py
index 852b114e4..8bddbfcaf 100644
--- a/yuthon_hr_employee_approval/models/yuthon_interview_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_interview_approval.py
@@ -7,7 +7,7 @@ from odoo.exceptions import UserError
 class YuthonInterviewApproval(models.Model):
     _name = 'yuthon.interview.approval'
     _description = '面试信息表'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='标题')
     users_id = fields.Many2one('res.users', string="申请人", default=lambda self: self.env.user.id)
diff --git a/yuthon_hr_employee_approval/models/yuthon_leaving_approval.py b/yuthon_hr_employee_approval/models/yuthon_leaving_approval.py
index d8a023cce..ee0e410bc 100644
--- a/yuthon_hr_employee_approval/models/yuthon_leaving_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_leaving_approval.py
@@ -5,7 +5,7 @@ from odoo.exceptions import UserError
 class YuthonLeavingApproval(models.Model):
     _name = 'yuthon.leaving.approval'
     _description = '离职申请'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     users_id = fields.Many2one('res.users', string="申请人", default=lambda self: self.env.user.id)
     department_id = fields.Many2one(related='users_id.employee_id.department_id', string="部门")
diff --git a/yuthon_hr_employee_approval/models/yuthon_message_login.py b/yuthon_hr_employee_approval/models/yuthon_message_login.py
index 0687e47f7..929a5a14a 100644
--- a/yuthon_hr_employee_approval/models/yuthon_message_login.py
+++ b/yuthon_hr_employee_approval/models/yuthon_message_login.py
@@ -21,7 +21,7 @@ class YuthonMessageLogin(models.Model):
     _name = 'yuthon.message.login'
     _description = "个人信息登记表"
     _rec_name = 'name'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     # 基本信息
     name = fields.Char(string='标题', default="人员信息登记表")
diff --git a/yuthon_hr_employee_approval/models/yuthon_onboard_approval.py b/yuthon_hr_employee_approval/models/yuthon_onboard_approval.py
index c390c461a..332c044a0 100644
--- a/yuthon_hr_employee_approval/models/yuthon_onboard_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_onboard_approval.py
@@ -18,7 +18,7 @@ nation_list = [('a', '汉族'), ('b', '壮族'), ('v', '满族'), ('d', '回族'
 class YuthonOnboardApproval(models.Model):
     _name = 'yuthon.onboard.approval'
     _description = "入职申请表"
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string="标题")
     code = fields.Char(string="编号",
diff --git a/yuthon_hr_employee_approval/models/yuthon_prepare_approval.py b/yuthon_hr_employee_approval/models/yuthon_prepare_approval.py
index 66d7b31eb..bae8c1e82 100644
--- a/yuthon_hr_employee_approval/models/yuthon_prepare_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_prepare_approval.py
@@ -5,7 +5,7 @@ from odoo.exceptions import UserError
 class YuthonPrepareApproval(models.Model):
     _name = 'yuthon.prepare.approval'
     _description = '编制调整需求表'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     users_id = fields.Many2one('res.users', string="申请人", default=lambda self: self.env.user.id)
     department_id = fields.Many2one(related='users_id.employee_id.department_id', string="部门")
diff --git a/yuthon_hr_employee_approval/models/yuthon_rank_approval.py b/yuthon_hr_employee_approval/models/yuthon_rank_approval.py
index a2217fc2a..a250a17a2 100644
--- a/yuthon_hr_employee_approval/models/yuthon_rank_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_rank_approval.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonRankApproval(models.Model):
     _name = 'yuthon.rank.approval'
     _description = '职级调整申请表'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
 
 
diff --git a/yuthon_hr_employee_approval/models/yuthon_reassignment_approval.py b/yuthon_hr_employee_approval/models/yuthon_reassignment_approval.py
index 4760213e1..02929a621 100644
--- a/yuthon_hr_employee_approval/models/yuthon_reassignment_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_reassignment_approval.py
@@ -5,7 +5,7 @@ from odoo.exceptions import UserError
 class YuthonReassignmentApproval(models.Model):
     _name = 'yuthon.reassignment.approval'
     _description = '调岗申请'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     users_id = fields.Many2one('res.users', string="申请人", default=lambda self: self.env.user.id)
     department_id = fields.Many2one(related='users_id.employee_id.department_id', string="部门")
diff --git a/yuthon_hr_employee_approval/models/yuthon_recruitment_approval.py b/yuthon_hr_employee_approval/models/yuthon_recruitment_approval.py
index 0a9499e2f..bb53c332d 100644
--- a/yuthon_hr_employee_approval/models/yuthon_recruitment_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_recruitment_approval.py
@@ -7,7 +7,7 @@ from odoo.exceptions import UserError
 class YuthonRecruitmentApproval(models.Model):
     _name = 'yuthon.recruitment.approval'
     _description = '招聘需求申请表'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='标题')
     users_id = fields.Many2one('res.users', string="申请人", default=lambda self: self.env.user.id)
diff --git a/yuthon_hr_employee_approval/models/yuthon_regularization_approval.py b/yuthon_hr_employee_approval/models/yuthon_regularization_approval.py
index fdcaa75b3..73f4816a5 100644
--- a/yuthon_hr_employee_approval/models/yuthon_regularization_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_regularization_approval.py
@@ -5,7 +5,7 @@ from odoo.exceptions import UserError
 class YuthonRegularizationPrepareApproval(models.Model):
     _name = 'yuthon.regularization.approval'
     _description = '转正申请表'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     department_id = fields.Many2one(related='users_id.employee_id.department_id', string="部门")
     users_id = fields.Many2one('res.users', string="申请人", default=lambda self: self.env.user.id)
diff --git a/yuthon_hr_employee_approval/models/yuthon_reward_approval.py b/yuthon_hr_employee_approval/models/yuthon_reward_approval.py
index 94720755d..dc89c6b17 100644
--- a/yuthon_hr_employee_approval/models/yuthon_reward_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_reward_approval.py
@@ -5,7 +5,7 @@ from odoo.exceptions import UserError
 class YuthonRewardApproval(models.Model):
     _name = 'yuthon.reward.approval'
     _description = '员工奖罚'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='标题')
     text = fields.Text(string='正文')
diff --git a/yuthon_hr_employee_approval/models/yuthon_salary_approval.py b/yuthon_hr_employee_approval/models/yuthon_salary_approval.py
index 66fb5c139..270a60459 100644
--- a/yuthon_hr_employee_approval/models/yuthon_salary_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_salary_approval.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonSalaryApproval(models.Model):
     _name = 'yuthon.salary.approval'
     _description = '薪酬项目调整表'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称')
     code = fields.Char(string="编号",
diff --git a/yuthon_hr_employee_approval/models/yuthon_service_approval.py b/yuthon_hr_employee_approval/models/yuthon_service_approval.py
index a6406f317..8abd79afe 100644
--- a/yuthon_hr_employee_approval/models/yuthon_service_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_service_approval.py
@@ -5,7 +5,7 @@ from odoo.exceptions import UserError
 class YuthonServiceApproval(models.Model):
     _name = 'yuthon.service.approval'
     _description = '服务证明表'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='标题')
     code = fields.Char(string="编号",
diff --git a/yuthon_hr_employee_approval/models/yuthon_system_approval.py b/yuthon_hr_employee_approval/models/yuthon_system_approval.py
index eedce8c31..e8a94e2c4 100644
--- a/yuthon_hr_employee_approval/models/yuthon_system_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_system_approval.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonSystemTitleApproval(models.Model):
     _name = 'yuthon.system.approval'
     _description = '制度调整申请表'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
 
 
diff --git a/yuthon_hr_employee_approval/models/yuthon_transfer_approval.py b/yuthon_hr_employee_approval/models/yuthon_transfer_approval.py
index 1411f1b0c..9f7ebe517 100644
--- a/yuthon_hr_employee_approval/models/yuthon_transfer_approval.py
+++ b/yuthon_hr_employee_approval/models/yuthon_transfer_approval.py
@@ -4,7 +4,7 @@ from odoo.exceptions import UserError
 
 class YutransferApproval(models.Model):
     _name = 'yuthon.transfer.approval'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _description = '工作移交'
 
     name = fields.Char(string="标题")
diff --git a/yuthon_issue/models/issue_approval.py b/yuthon_issue/models/issue_approval.py
index 4bee4d7d4..ab05677a7 100644
--- a/yuthon_issue/models/issue_approval.py
+++ b/yuthon_issue/models/issue_approval.py
@@ -5,7 +5,7 @@ from odoo import api, fields, models
 class IssueApproval(models.Model):
     _name = "issue.approval"
     _description = '议题审批'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Text(string='标题', required=True)
diff --git a/yuthon_issue/models/issue_meeting_minutes.py b/yuthon_issue/models/issue_meeting_minutes.py
index f29512e1f..4eba4a2c6 100644
--- a/yuthon_issue/models/issue_meeting_minutes.py
+++ b/yuthon_issue/models/issue_meeting_minutes.py
@@ -6,7 +6,7 @@ from odoo.exceptions import UserError, ValidationError
 class IssueMeetingMinutes(models.Model):
     _name = 'issue.meeting.minutes'
     _description = '会议纪要'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
 
     name = fields.Char(string='名称')
diff --git a/yuthon_lessee_service/models/property_report_repair.py b/yuthon_lessee_service/models/property_report_repair.py
index fb8f4a970..e25a7d49f 100644
--- a/yuthon_lessee_service/models/property_report_repair.py
+++ b/yuthon_lessee_service/models/property_report_repair.py
@@ -6,7 +6,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyRentRelief(models.Model):
     _name = 'property.report.repair'
     _description = '报事报修审批'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string='标题')
diff --git a/yuthon_lessee_service/models/yuthon_lessee_notice.py b/yuthon_lessee_service/models/yuthon_lessee_notice.py
index bfcee04ff..7e50619b1 100644
--- a/yuthon_lessee_service/models/yuthon_lessee_notice.py
+++ b/yuthon_lessee_service/models/yuthon_lessee_notice.py
@@ -5,7 +5,7 @@ from odoo.exceptions import ValidationError, UserError
 class YuthonLesseeNotice(models.Model):
     _name = "yuthon.lessee.notice"
     _description = '物业通知公告'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
     _order = "sequence desc"
 
diff --git a/yuthon_notice/models/yuthon_notice.py b/yuthon_notice/models/yuthon_notice.py
index dc665f794..0fb6f44b3 100644
--- a/yuthon_notice/models/yuthon_notice.py
+++ b/yuthon_notice/models/yuthon_notice.py
@@ -6,7 +6,7 @@ from odoo.exceptions import ValidationError, UserError
 class YuthonNotice(models.Model):
     _name = "yuthon.notice"
     _description = '通知公告'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
     _order = "sequence desc"
 
diff --git a/yuthon_official/models/yuthon_offficial_incoming_party.py b/yuthon_official/models/yuthon_offficial_incoming_party.py
index 5c5c86dec..5f403855d 100644
--- a/yuthon_official/models/yuthon_offficial_incoming_party.py
+++ b/yuthon_official/models/yuthon_offficial_incoming_party.py
@@ -6,7 +6,7 @@ from odoo.exceptions import ValidationError, UserError
 class YuthonOfficialIncomingParty(models.Model):
     _name = 'yuthon.official.incoming.party'
     _description = '党总支收文'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string="名称")
diff --git a/yuthon_official/models/yuthon_official.py b/yuthon_official/models/yuthon_official.py
index 12c69867a..67e93d8cb 100644
--- a/yuthon_official/models/yuthon_official.py
+++ b/yuthon_official/models/yuthon_official.py
@@ -6,7 +6,7 @@ from odoo.exceptions import ValidationError, UserError
 class YuthonOfficial(models.Model):
     _name = 'yuthon.official'
     _description = '行政发文'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string="标题")
diff --git a/yuthon_official/models/yuthon_official_incoming_labor.py b/yuthon_official/models/yuthon_official_incoming_labor.py
index a9b8eca2b..b31d83a18 100644
--- a/yuthon_official/models/yuthon_official_incoming_labor.py
+++ b/yuthon_official/models/yuthon_official_incoming_labor.py
@@ -6,7 +6,7 @@ from odoo.exceptions import ValidationError, UserError
 class YuthonOfficialIncomingLabor(models.Model):
     _name = 'yuthon.official.incoming.labor'
     _description = '工会收文'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string="名称")
diff --git a/yuthon_official/models/yuthon_official_incoming_normal.py b/yuthon_official/models/yuthon_official_incoming_normal.py
index d5e89d469..f1227854a 100644
--- a/yuthon_official/models/yuthon_official_incoming_normal.py
+++ b/yuthon_official/models/yuthon_official_incoming_normal.py
@@ -6,7 +6,7 @@ from odoo.exceptions import ValidationError, UserError
 class YuthonOfficialIncomingNormal(models.Model):
     _name = 'yuthon.official.incoming.normal'
     _description = '行政收文'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string="标题")
diff --git a/yuthon_official/models/yuthon_official_labor.py b/yuthon_official/models/yuthon_official_labor.py
index e0f7f5b20..d87a00f44 100644
--- a/yuthon_official/models/yuthon_official_labor.py
+++ b/yuthon_official/models/yuthon_official_labor.py
@@ -6,7 +6,7 @@ from odoo.exceptions import ValidationError, UserError
 class YuthonOfficialLabor(models.Model):
     _name = 'yuthon.official.labor'
     _description = '工会发文'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string="名称")
diff --git a/yuthon_performance/__manifest__.py b/yuthon_performance/__manifest__.py
index 99aebe12f..7d9f3a606 100644
--- a/yuthon_performance/__manifest__.py
+++ b/yuthon_performance/__manifest__.py
@@ -10,7 +10,7 @@
     'category': 'Human Resources/Attendances',
     'version': '0.1',
     'license': 'LGPL-3',
-    'depends': ['hr', 'soong_workflow',],
+    'depends': ['hr', 'soong_workflow', 'mail'],
     'data': [
         'security/ir.model.access.csv',
         'data/library_changes_data.xml',
diff --git a/yuthon_performance/models/yuthon_Index_approval.py b/yuthon_performance/models/yuthon_Index_approval.py
index 8a1cd31b9..b0e52c89e 100644
--- a/yuthon_performance/models/yuthon_Index_approval.py
+++ b/yuthon_performance/models/yuthon_Index_approval.py
@@ -5,7 +5,7 @@ class YuthonIndexApproval(models.Model):
     _name = 'yuthon.index.approval'
     _description = "组织指标库变更管理"
     _rec_name = 'name'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char('标题')
     creation_time = fields.Datetime(string='申请日期', default=lambda self: fields.Datetime.now())
diff --git a/yuthon_performance/models/yuthon_duty_management.py b/yuthon_performance/models/yuthon_duty_management.py
index dd9aeb01a..ac0d86d41 100644
--- a/yuthon_performance/models/yuthon_duty_management.py
+++ b/yuthon_performance/models/yuthon_duty_management.py
@@ -6,7 +6,7 @@ class YuthonDutyManagement(models.Model):
     _name = 'yuthon.duty.management'
     _description = "组织绩效"
     _rec_name = 'name'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char('标题')
     cycle = fields.Selection([('monthly', '月度'),
diff --git a/yuthon_performance/models/yuthon_employee_approval.py b/yuthon_performance/models/yuthon_employee_approval.py
index b11dc674c..ecb70c55e 100644
--- a/yuthon_performance/models/yuthon_employee_approval.py
+++ b/yuthon_performance/models/yuthon_employee_approval.py
@@ -5,7 +5,7 @@ class YuthonEmployeeApproval(models.Model):
     _name = 'yuthon.employee.approval'
     _description = "员工指标库变更管理"
     _rec_name = 'name'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char('标题')
     users_id = fields.Many2one('res.users', string="申请人", default=lambda self: self.env.user.id)
diff --git a/yuthon_performance/models/yuthon_tissue_duty_approval.py b/yuthon_performance/models/yuthon_tissue_duty_approval.py
index 870e095b2..288c1cc5b 100644
--- a/yuthon_performance/models/yuthon_tissue_duty_approval.py
+++ b/yuthon_performance/models/yuthon_tissue_duty_approval.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api, exceptions, _
 class YuthonTissueDutyApproval(models.Model):
     _name = 'yuthon.tissue.duty.approval'
     _description = "组织绩效变更申请表"
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char('标题')
diff --git a/yuthon_property_approval/models/property_approval.py b/yuthon_property_approval/models/property_approval.py
index bcc434702..49f9f7cd2 100644
--- a/yuthon_property_approval/models/property_approval.py
+++ b/yuthon_property_approval/models/property_approval.py
@@ -6,7 +6,7 @@ from odoo import models, fields, api, exceptions, _
 
 class PropertyApproval(models.Model):
     _name = 'property.approval'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _description = '新增物业审批'
 
     name = fields.Char(string='标题')
diff --git a/yuthon_property_approval/models/property_billing_confirmation.py b/yuthon_property_approval/models/property_billing_confirmation.py
index 6848766c1..c0727a859 100644
--- a/yuthon_property_approval/models/property_billing_confirmation.py
+++ b/yuthon_property_approval/models/property_billing_confirmation.py
@@ -7,7 +7,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyBillingyConfirmation(models.Model):
     _name = 'property.billing.confirmation'
     _description = '账单确认单审批'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string='标题')
diff --git a/yuthon_property_approval/models/property_business_confirm.py b/yuthon_property_approval/models/property_business_confirm.py
index ecac51e66..204bb304b 100644
--- a/yuthon_property_approval/models/property_business_confirm.py
+++ b/yuthon_property_approval/models/property_business_confirm.py
@@ -7,7 +7,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyBusinessConfirm(models.Model):
     _name = 'property.business.confirm'
     _description = '经营报表确认单审批'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string='标题')
diff --git a/yuthon_property_approval/models/property_capacity.py b/yuthon_property_approval/models/property_capacity.py
index 15ce5d5e3..2543b0148 100644
--- a/yuthon_property_approval/models/property_capacity.py
+++ b/yuthon_property_approval/models/property_capacity.py
@@ -7,7 +7,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyCapacity(models.Model):
     _name = 'property.capacity'
     _description = '增容审批'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit =['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string='标题')
diff --git a/yuthon_property_approval/models/property_collection_confirm.py b/yuthon_property_approval/models/property_collection_confirm.py
index 230354439..71874e0f0 100644
--- a/yuthon_property_approval/models/property_collection_confirm.py
+++ b/yuthon_property_approval/models/property_collection_confirm.py
@@ -7,7 +7,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyCollectionConfirm(models.Model):
     _name = 'property.collection.confirm'
     _description = '收款确认单审批'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string='标题')
diff --git a/yuthon_property_approval/models/property_confirm.py b/yuthon_property_approval/models/property_confirm.py
index 2509e5451..2dfa465ae 100644
--- a/yuthon_property_approval/models/property_confirm.py
+++ b/yuthon_property_approval/models/property_confirm.py
@@ -7,7 +7,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyConfirm(models.Model):
     _name = 'property.confirm'
     _description = '物业成交确认审批'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string='标题')
diff --git a/yuthon_property_approval/models/property_construction_work.py b/yuthon_property_approval/models/property_construction_work.py
index 71f049e35..669dcbfa0 100644
--- a/yuthon_property_approval/models/property_construction_work.py
+++ b/yuthon_property_approval/models/property_construction_work.py
@@ -7,7 +7,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyConstructionWork(models.Model):
     _name = 'property.construction.work'
     _description = '建设工程审批单'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称')
     code = fields.Char(string="编号",
diff --git a/yuthon_property_approval/models/property_contract_changes.py b/yuthon_property_approval/models/property_contract_changes.py
index 4366bcd25..ab626e14a 100644
--- a/yuthon_property_approval/models/property_contract_changes.py
+++ b/yuthon_property_approval/models/property_contract_changes.py
@@ -7,7 +7,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyContractChanges(models.Model):
     _name = 'property.contract.changes'
     _description = '租聘合同变更审批'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称')
     code = fields.Char(string="编号", default=lambda self: self.env['ir.sequence'].next_by_code('property_contract_changes_sequence'))
diff --git a/yuthon_property_approval/models/property_early_quitting.py b/yuthon_property_approval/models/property_early_quitting.py
index d84ed2e01..3aeec428b 100644
--- a/yuthon_property_approval/models/property_early_quitting.py
+++ b/yuthon_property_approval/models/property_early_quitting.py
@@ -7,7 +7,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyEarlyQuitting(models.Model):
     _name = 'property.early.quitting'
     _description = '提前退租审批'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string='标题')
diff --git a/yuthon_property_approval/models/property_eligibility.py b/yuthon_property_approval/models/property_eligibility.py
index bd8ac2b1f..917f67317 100644
--- a/yuthon_property_approval/models/property_eligibility.py
+++ b/yuthon_property_approval/models/property_eligibility.py
@@ -7,7 +7,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyEligibility(models.Model):
     _name = 'property.eligibility'
     _description = '承租资格审批'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string='标题')
diff --git a/yuthon_property_approval/models/property_equity.py b/yuthon_property_approval/models/property_equity.py
index 7d3faca65..fd8ae43c2 100644
--- a/yuthon_property_approval/models/property_equity.py
+++ b/yuthon_property_approval/models/property_equity.py
@@ -7,7 +7,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyEquity(models.Model):
     _name = 'property.equity'
     _description = '物业产权变更'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
 
     name = fields.Char(string='名字')
diff --git a/yuthon_property_approval/models/property_evaluate_application.py b/yuthon_property_approval/models/property_evaluate_application.py
index 193185187..dea392ccc 100644
--- a/yuthon_property_approval/models/property_evaluate_application.py
+++ b/yuthon_property_approval/models/property_evaluate_application.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class PropertyEvaluateApplication(models.Model):
     _name = 'property.evaluate.application'
     _description = '物业评估申请'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
 
     name = fields.Char(string='标题')
diff --git a/yuthon_property_approval/models/property_fitment.py b/yuthon_property_approval/models/property_fitment.py
index 17d53d98d..58d0c0de8 100644
--- a/yuthon_property_approval/models/property_fitment.py
+++ b/yuthon_property_approval/models/property_fitment.py
@@ -7,7 +7,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyFitment(models.Model):
     _name = 'property.fitment'
     _description = '装修审批'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string='标题')
diff --git a/yuthon_property_approval/models/property_handover.py b/yuthon_property_approval/models/property_handover.py
index 88deeb4f2..577eed1f5 100644
--- a/yuthon_property_approval/models/property_handover.py
+++ b/yuthon_property_approval/models/property_handover.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api, exceptions
 class PropertyHandover(models.Model):
     _name = 'property.handover'
     _description = '移交申请'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='标题')
     tip_description = fields.Html('正文')
diff --git a/yuthon_property_approval/models/property_information.py b/yuthon_property_approval/models/property_information.py
index f061f1b57..eeb2d1c2f 100644
--- a/yuthon_property_approval/models/property_information.py
+++ b/yuthon_property_approval/models/property_information.py
@@ -7,7 +7,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyInformation(models.Model):
     _name = 'property.information'
     _description = '物业信息审批'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string='标题')
diff --git a/yuthon_property_approval/models/property_intention_approval.py b/yuthon_property_approval/models/property_intention_approval.py
index 348b0d447..beb83b57b 100644
--- a/yuthon_property_approval/models/property_intention_approval.py
+++ b/yuthon_property_approval/models/property_intention_approval.py
@@ -6,7 +6,7 @@ from odoo.exceptions import UserError
 
 class PropertyIntentionApproval(models.Model):
     _name = 'property.intention.approval'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _description = '意向客户审批'
 
     name = fields.Char(string="标题")
diff --git a/yuthon_property_approval/models/property_inventory_table.py b/yuthon_property_approval/models/property_inventory_table.py
index 635bba135..63ca6e6a2 100644
--- a/yuthon_property_approval/models/property_inventory_table.py
+++ b/yuthon_property_approval/models/property_inventory_table.py
@@ -7,7 +7,7 @@ from odoo import models, fields, api, exceptions, _
 class PropertyInventoryTable(models.Model):
     _name = 'property.inventory.table'
     _description = '盘点表审批'
-    _inherit = ['mail.thread.main.attachment', 'mail.activity.mixin', 'soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _rec_name = 'name'
 
     name = fields.Char(string='标题')
diff --git a/yuthon_property_approval/models/property_merge_approval.py b/yuthon_property_approval/models/property_merge_approval.py
index f33110b93..a4ccd0482 100644
--- a/yuthon_property_approval/models/property_merge_approval.py
+++ b/yuthon_property_approval/models/property_merge_approval.py
@@ -3,7 +3,7 @@ from odoo import models, fields, api, exceptions, _
 
 class PropertyMergeApproval(models.Model):
     _name = 'property.merge.approval'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _description = '物业合并审批'
 
     name = fields.Char(string='标题')
diff --git a/yuthon_property_approval/models/property_split_approval.py b/yuthon_property_approval/models/property_split_approval.py
index b47d5d652..8f29a86d8 100644
--- a/yuthon_property_approval/models/property_split_approval.py
+++ b/yuthon_property_approval/models/property_split_approval.py
@@ -3,7 +3,7 @@ from odoo import models, fields, api, exceptions, _
 
 class PropertySplitApproval(models.Model):
     _name = 'property.split.approval'
-    _inherit = 'soong.workflow.mixin'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
     _description = '物业拆分审批'
 
     code = fields.Char(string="编号",
diff --git a/yuthon_property_approval/models/property_transfer_approval.py b/yuthon_property_approval/models/property_transfer_approval.py
index ed72eb538..062bf2486 100644
--- a/yuthon_property_approval/models/property_transfer_approval.py
+++ b/yuthon_property_approval/models/property_transfer_approval.py
@@ -6,7 +6,7 @@ from odoo.exceptions import UserError
 
 class PropertyTransferApproval(models.Model):
   _name = 'property.transfer.approval'
-  _inherit = 'soong.workflow.mixin'
+  _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
   _description = '物业交接审批'
 
   name = fields.Char(string="标题")
diff --git a/yuthon_trade/models/yuthon_none.py b/yuthon_trade/models/yuthon_none.py
index a58b10631..4f148f121 100644
--- a/yuthon_trade/models/yuthon_none.py
+++ b/yuthon_trade/models/yuthon_none.py
@@ -4,6 +4,6 @@ from odoo import models, fields, api
 class YuthonNone(models.Model):
     _name = 'yuthon.none'
     _description = '借支流程'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称')
diff --git a/yuthon_trade/models/yuthon_personal_condolences.py b/yuthon_trade/models/yuthon_personal_condolences.py
index d8f102638..3ddad899e 100644
--- a/yuthon_trade/models/yuthon_personal_condolences.py
+++ b/yuthon_trade/models/yuthon_personal_condolences.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonPersonalCondolences(models.Model):
     _name = 'yuthon.personal.condolences'
     _description = '个人节日慰问'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称')
     code = fields.Char(string="编号",
diff --git a/yuthon_trade/models/yuthon_trade_activities.py b/yuthon_trade/models/yuthon_trade_activities.py
index e49c97c5e..968f0d90e 100644
--- a/yuthon_trade/models/yuthon_trade_activities.py
+++ b/yuthon_trade/models/yuthon_trade_activities.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonTradeActivities(models.Model):
     _name = 'yuthon.trade.activities'
     _description = '工会活动'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称')
     code = fields.Char(string="编号",
diff --git a/yuthon_trade/models/yuthon_trade_borrowing.py b/yuthon_trade/models/yuthon_trade_borrowing.py
index d586e005c..78ec2ab78 100644
--- a/yuthon_trade/models/yuthon_trade_borrowing.py
+++ b/yuthon_trade/models/yuthon_trade_borrowing.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonTradeBorrowing(models.Model):
     _name = 'yuthon.trade.borrowing'
     _description = '借支流程'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称', required=True)
     code = fields.Char(string="编号",
diff --git a/yuthon_trade/models/yuthon_trade_contract.py b/yuthon_trade/models/yuthon_trade_contract.py
index 50ba43f2b..827160108 100644
--- a/yuthon_trade/models/yuthon_trade_contract.py
+++ b/yuthon_trade/models/yuthon_trade_contract.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonTradeContract(models.Model):
     _name = 'yuthon.trade.contract'
     _description = '合同审批'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称', required=True)
     code = fields.Char(string="编号",
diff --git a/yuthon_trade/models/yuthon_trade_pay.py b/yuthon_trade/models/yuthon_trade_pay.py
index 52fa0df8d..8c833b543 100644
--- a/yuthon_trade/models/yuthon_trade_pay.py
+++ b/yuthon_trade/models/yuthon_trade_pay.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonTradePay(models.Model):
     _name = 'yuthon.trade.pay'
     _description = '付款流程'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称', required=True)
     code = fields.Char(string="编号",
diff --git a/yuthon_trade/models/yuthon_trade_policy.py b/yuthon_trade/models/yuthon_trade_policy.py
index 510e3eeee..52a27c859 100644
--- a/yuthon_trade/models/yuthon_trade_policy.py
+++ b/yuthon_trade/models/yuthon_trade_policy.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonTradePolicy(models.Model):
     _name = 'yuthon.trade.policy'
     _description = '保单列表'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称', required=True)
     code = fields.Char(string="编号",
diff --git a/yuthon_trade/models/yuthon_trade_premium.py b/yuthon_trade/models/yuthon_trade_premium.py
index ceb590e71..07bf6c106 100644
--- a/yuthon_trade/models/yuthon_trade_premium.py
+++ b/yuthon_trade/models/yuthon_trade_premium.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonTradePremium(models.Model):
     _name = 'yuthon.trade.premium'
     _description = '缴保申请表'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称', required=True)
     code = fields.Char(string="编号",
diff --git a/yuthon_trade/models/yuthon_trade_purchase.py b/yuthon_trade/models/yuthon_trade_purchase.py
index 2cd492605..82dd7a4bb 100644
--- a/yuthon_trade/models/yuthon_trade_purchase.py
+++ b/yuthon_trade/models/yuthon_trade_purchase.py
@@ -3,7 +3,7 @@ from odoo import models, fields, api
 class YuthonTradePurchase(models.Model):
     _name = 'yuthon.trade.purchase'
     _description = '采购'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称')
     code = fields.Char(string="编号",
diff --git a/yuthon_trade/models/yuthon_trade_refund.py b/yuthon_trade/models/yuthon_trade_refund.py
index 273bd4f0d..8e29991e0 100644
--- a/yuthon_trade/models/yuthon_trade_refund.py
+++ b/yuthon_trade/models/yuthon_trade_refund.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonTradeRefund(models.Model):
     _name = 'yuthon.trade.refund'
     _description = '退款流程'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称', required=True)
     code = fields.Char(string="编号",
diff --git a/yuthon_trade/models/yuthon_trade_reimbursed.py b/yuthon_trade/models/yuthon_trade_reimbursed.py
index 0c76f2562..ee33cc47c 100644
--- a/yuthon_trade/models/yuthon_trade_reimbursed.py
+++ b/yuthon_trade/models/yuthon_trade_reimbursed.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonTradeReimbursed(models.Model):
   _name = 'yuthon.trade.reimbursed'
   _description = '报销流程'
-  _inherit = ['soong.workflow.mixin']
+  _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
   name = fields.Char(string='名称')
   code = fields.Char(string="编号",
diff --git a/yuthon_trade/models/yuthon_trade_supportive.py b/yuthon_trade/models/yuthon_trade_supportive.py
index 5f3efe59b..be262fcdf 100644
--- a/yuthon_trade/models/yuthon_trade_supportive.py
+++ b/yuthon_trade/models/yuthon_trade_supportive.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonTradeSupportive(models.Model):
     _name = 'yuthon.trade.supportive'
     _description = '互助申请表'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称')
     code = fields.Char(string="编号",
diff --git a/yuthon_trade/models/yuthon_work_condolences.py b/yuthon_trade/models/yuthon_work_condolences.py
index 3d844e067..3f0b5b968 100644
--- a/yuthon_trade/models/yuthon_work_condolences.py
+++ b/yuthon_trade/models/yuthon_work_condolences.py
@@ -4,7 +4,7 @@ from odoo import models, fields, api
 class YuthonWorkCondolences(models.Model):
     _name = 'yuthon.work.condolences'
     _description = '节日慰问'
-    _inherit = ['soong.workflow.mixin']
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='名称')
     code = fields.Char(string="编号",