diff --git a/yuthon_will_task/models/yuthon_will_task.py b/yuthon_will_task/models/yuthon_will_task.py
index 80664dbf6..7f08c319f 100644
--- a/yuthon_will_task/models/yuthon_will_task.py
+++ b/yuthon_will_task/models/yuthon_will_task.py
@@ -205,10 +205,10 @@ class YuthonWillTask(models.Model):
     def add_comment(self):
         employee_list = []
         now = datetime.now() - timedelta(hours=8)
-        now_hour_minute = now.strftime("%H:%M")
+        now_truncated = now.replace(second=0, microsecond=0)
         for task in self.env['yuthon.dates.task'].search([('task_state', '=', 'to_do')]):
-            reminder_hour_minute = task.reminder_time.strftime("%H:%M")
-            if reminder_hour_minute == now_hour_minute:
+            reminder_truncated = task.reminder_time.replace(second=0, microsecond=0)
+            if reminder_truncated == now_truncated:
                 task.task_state = 'done'
                 for task_time in task.employee_ids:
                     employee_list.append(task_time.employee_id)