diff --git a/app/Service/v3/Implementations/CouponRecService.php b/app/Service/v3/Implementations/CouponRecService.php
index b6cb27a..692bc52 100644
--- a/app/Service/v3/Implementations/CouponRecService.php
+++ b/app/Service/v3/Implementations/CouponRecService.php
@@ -422,7 +422,12 @@ class CouponRecService implements CouponRecServiceInterface
 
         Db::transaction(function () use ($ids,$receiveType,$userId,&$success,&$fail,$now) {
             //读写锁，完全控制，性能底
-            $cps     = Coupon::whereIn('id', $ids)->lockForUpdate()->get();
+
+            $builder     = Coupon::whereIn('id', $ids);
+            if (env('SUB_CHANNEL') == 1) {
+                $builder->where('receive_type',$receiveType);
+            }
+            $cps = $builder->lockForUpdate()->get();
             //写锁，可能在高并发下，读取到脏数据，写入可能有超发情况
             //$cps     = Coupon::whereIn('id', $ids)->sharedLock()->get();
 
@@ -432,12 +437,12 @@ class CouponRecService implements CouponRecServiceInterface
                     'coupon_id' => $cp->id,
                 ];
 
-                if (env('SUB_CHANNEL') == 1) {
-                    $where['receive_type'] = $receiveType;
-                }
-
                 $oneReceiveNumber = CouponRecType::where($where)->value('one_receive_number');
-
+                $couponInventory = $cp->inventory - $cp->inventory_use;
+                
+                if($couponInventory < $oneReceiveNumber){
+                    continue;
+                }
                 $cr                        = new CouponRec;
                 $cr->user_id               = $userId;
                 $cr->coupon_id             = $cp->id;