diff --git a/yuthon_hr_attendance/controllers/applet_attendance.py b/yuthon_hr_attendance/controllers/applet_attendance.py
index 4be0b3364..d10f7a03f 100644
--- a/yuthon_hr_attendance/controllers/applet_attendance.py
+++ b/yuthon_hr_attendance/controllers/applet_attendance.py
@@ -407,7 +407,7 @@ class AppletAttendance(Controller):
                     day = start_date_obj + timedelta(days=i)
                     # 只添加年份和月份匹配的日期
                     if day.year == target_year and day.month == target_month:
-                        formatted_date = f"{day.year}/{day.month}/{day.day}"
+                        formatted_date = f"{day.year}-{day.month}-{day.day}"
                         holidays_list.append(formatted_date)
 
             # 处理调班补班