edit

app/shop/lib/Coupon.php

@@ -90,7 +90,7 @@ class Coupon
             # 验证是否已经领取，一周内不能再次领取
             $user = Dever::db('shop/user_coupon')->getOne(array('uid' => $uid, 'coupon_id' => $data['id']));
 
-            if ($user && time() - $user['cdate'] < 86400*7) {
+            if ($user && time() - $user['cdate'] < 86400*30) {
                 Dever::alert('您已领取过该优惠劵');
                 return false;
             }