diff --git a/yuthon_hr_attendance/models/yuthon_duty_plan.py b/yuthon_hr_attendance/models/yuthon_duty_plan.py
index 42a23d092..1de685f3d 100644
--- a/yuthon_hr_attendance/models/yuthon_duty_plan.py
+++ b/yuthon_hr_attendance/models/yuthon_duty_plan.py
@@ -97,7 +97,8 @@ class YuthonDutyPlan(models.Model):
                 self.zu = zu
                 if zu == len(self.plan_line_ids):
                     zu = 0
-                for employee in self.plan_line_ids[zu].employee_ids:
+                sorted_plan_line_ids = self.plan_line_ids.sorted(key=lambda r: r.sequence)
+                for employee in sorted_plan_line_ids[zu].employee_ids:
                     employee_id = self.env['planning.slot'].search([('resource_id', '=', employee.resource_id.id), ('start_datetime', '>=', first_day_of_month), ('start_datetime', '<=', last_day_of_month)]).sorted('start_datetime')
                     if i < len(employee_id):
                         start_hour2 = int(role_template_b.start_time)
@@ -116,6 +117,7 @@ class YuthonDutyPlan(models.Model):
                 i += 1
                 zu += 1
                 current_date2 += timedelta(days=1)
+
         else:
             i = 0
             zu = self.zu +1
@@ -123,7 +125,8 @@ class YuthonDutyPlan(models.Model):
             while current_date2 <= last_day_of_month:
                 if zu == len(self.plan_line_ids):
                     zu = 0
-                for employee in self.plan_line_ids[zu].employee_ids:
+                sorted_plan_line_ids = self.plan_line_ids.sorted(key=lambda r: r.sequence)
+                for employee in sorted_plan_line_ids[zu].employee_ids:
                     employee_id = self.env['planning.slot'].search(
                         [('resource_id', '=', employee.resource_id.id), ('start_datetime', '>=', first_day_of_month),
                          ('start_datetime', '<=', last_day_of_month)]).sorted('start_datetime')