diff --git a/soong_workflow/models/soong_user_role.py b/soong_workflow/models/soong_user_role.py
index 1b38387ac..5fa79a7e1 100644
--- a/soong_workflow/models/soong_user_role.py
+++ b/soong_workflow/models/soong_user_role.py
@@ -106,6 +106,35 @@ class YuthonUserRole(models.Model):
                         new_user_role_ids = employee.user_role_ids.ids + [self.id.origin]
                         employee.write({'user_role_ids': [(6, 0, new_user_role_ids)],})
 
+    def write(self, vals):
+        """覆盖 write，personnel_ids 变更时双向同步到员工的主/辅助角色字段"""
+        # 记录变更前的 personnel_ids
+        old_personnel_map = {rec.id: set(rec.personnel_ids.ids) for rec in self}
+        result = super().write(vals)
+        if 'personnel_ids' not in vals:
+            return result
+        for rec in self:
+            new_ids = set(rec.personnel_ids.ids)
+            old_ids = old_personnel_map.get(rec.id, set())
+            added_ids = new_ids - old_ids      # 新增的员工
+            removed_ids = old_ids - new_ids    # 移除的员工
+            if rec.is_main:
+                # 主角色：新增员工 → 设为主角色；移除员工 → 清空主角色（若仍是该角色）
+                for emp in self.env['hr.employee'].browse(list(added_ids)):
+                    emp.write({'user_role_id': rec.id})
+                for emp in self.env['hr.employee'].browse(list(removed_ids)):
+                    if emp.user_role_id.id == rec.id:
+                        emp.write({'user_role_id': False})
+            else:
+                # 辅助角色：新增员工 → 添加到辅助角色；移除员工 → 从辅助角色移除
+                for emp in self.env['hr.employee'].browse(list(added_ids)):
+                    if rec.id not in emp.user_role_ids.ids:
+                        emp.write({'user_role_ids': [(4, rec.id)]})
+                for emp in self.env['hr.employee'].browse(list(removed_ids)):
+                    if rec.id in emp.user_role_ids.ids:
+                        emp.write({'user_role_ids': [(3, rec.id)]})
+        return result
+
 class YuthonUserRoleGroup(models.Model):
     _name = 'soong.user.role.group'
     _order = 'number asc'
diff --git a/yuthon_hr_employee/models/yuthon_hr_employee.py b/yuthon_hr_employee/models/yuthon_hr_employee.py
index b3021fa57..4e8a6bd8d 100644
--- a/yuthon_hr_employee/models/yuthon_hr_employee.py
+++ b/yuthon_hr_employee/models/yuthon_hr_employee.py
@@ -375,6 +375,46 @@ class YuthonHrEmployee(models.Model):
                 ])
                 groups_by_role_group.write({'users': [(4, employee.user_id.id)]})
 
+    def write(self, vals):
+        """覆盖 write，user_role_id / user_role_ids 变更时反向同步到角色的 personnel_ids"""
+        role_fields = {'user_role_id', 'user_role_ids'}
+        if not role_fields.intersection(vals.keys()):
+            return super().write(vals)
+        # 记录变更前的角色状态
+        old_role_id_map = {emp.id: emp.user_role_id.id for emp in self}       # 主角色 id
+        old_role_ids_map = {emp.id: set(emp.user_role_ids.ids) for emp in self}  # 辅助角色 ids
+        result = super().write(vals)
+        for emp in self:
+            # --- 主角色反向同步 ---
+            if 'user_role_id' in vals:
+                old_rid = old_role_id_map.get(emp.id)
+                new_rid = emp.user_role_id.id if emp.user_role_id else False
+                # 从旧主角色 personnel_ids 移除
+                if old_rid and old_rid != new_rid:
+                    old_role = self.env['soong.user.role'].browse(old_rid)
+                    if emp.id in old_role.personnel_ids.ids:
+                        old_role.write({'personnel_ids': [(3, emp.id)]})
+                # 加入新主角色 personnel_ids
+                if new_rid and new_rid != old_rid:
+                    new_role = self.env['soong.user.role'].browse(new_rid)
+                    if emp.id not in new_role.personnel_ids.ids:
+                        new_role.write({'personnel_ids': [(4, emp.id)]})
+            # --- 辅助角色反向同步 ---
+            if 'user_role_ids' in vals:
+                old_rids = old_role_ids_map.get(emp.id, set())
+                new_rids = set(emp.user_role_ids.ids)
+                added = new_rids - old_rids
+                removed = old_rids - new_rids
+                for rid in added:
+                    role = self.env['soong.user.role'].browse(rid)
+                    if emp.id not in role.personnel_ids.ids:
+                        role.write({'personnel_ids': [(4, emp.id)]})
+                for rid in removed:
+                    role = self.env['soong.user.role'].browse(rid)
+                    if emp.id in role.personnel_ids.ids:
+                        role.write({'personnel_ids': [(3, emp.id)]})
+        return result
+
     def update_trade_union(self):
         records = self.env['hr.employee'].search([('is_membership', '=', True)])
         for record in records: