diff --git a/app/Controller/CouponController.php b/app/Controller/CouponController.php
index 9280c58..c4284b5 100644
--- a/app/Controller/CouponController.php
+++ b/app/Controller/CouponController.php
@@ -120,7 +120,7 @@ class CouponController extends BaseController
             } else {
                 //TODO 会有超发情况
                 //如果优惠卷库存小于等于已领取的数量, 则返回领取失败的优惠券
-                if ($cp->inventory<=$cp->inventory_use||$cp->inventory<=($cp->inventory_use+$cr->number)){
+                if ($cp->inventory<=$cp->inventory_use||$cp->inventory<($cp->inventory_use+$cr->number)){
                     $fail[] = $cp;
                 }else{
                     $cp->inventory_use += $cr->number;//记录已领取的数量