diff --git a/app/Services/CouponService.php b/app/Services/CouponService.php
index 65473b4..e2d6dcb 100644
--- a/app/Services/CouponService.php
+++ b/app/Services/CouponService.php
@@ -151,7 +151,7 @@ class CouponService extends BaseService
 
         try {
             // 添加优惠卷即将过期提醒队列
-            $time = floor($time * 0.25);
+            $time = floor($time * 0.75);
 
             // 时间低于5小时，不进行过期提醒
             if ($time > 60 * 60 * 5){