diff --git a/app/Services/CouponService.php b/app/Services/CouponService.php
index 238fa06e..ce428aff 100644
--- a/app/Services/CouponService.php
+++ b/app/Services/CouponService.php
@@ -98,7 +98,13 @@ class CouponService
             for ($i=0; $i<$coupon['num']; $i++) {
                 $userCoupons[] = self::createUserCouponData($user->id, $coupon['coupon']);
             }
+            //更新对应券发送量，余量;
+            $coupon['coupon']->increment('sent', $coupon['num']);
+            if ($coupon['coupon']->limit > 0) {//限量才减少余量
+                $coupon['coupon']->decrement('stock', $coupon['num']);
+            }
         }
+
         UserCoupon::insert($userCoupons);
     }
 
diff --git a/app/Services/OrderService.php b/app/Services/OrderService.php
index 1d0cce1a..7b5ba929 100644
--- a/app/Services/OrderService.php
+++ b/app/Services/OrderService.php
@@ -19,6 +19,7 @@ use App\Models\User;
 use App\Models\UserCoupon;
 use Illuminate\Database\QueryException;
 use Illuminate\Support\Facades\DB;
+use Throwable;
 
 class OrderService
 {
@@ -742,8 +743,16 @@ class OrderService
             'status' => Order::STATUS_PAID,
         ]);
 
-        // todo 处理购买分区商品送券
-        $this->sendPartCoupon($order);
+        // 处理购买分区商品送券
+        try {
+            DB::beginTransaction();
+            $this->sendPartCoupon($order);
+            DB::commit();
+        } catch (Throwable $th) {
+            DB::rollBack();
+            report($th);
+        }
+
 
         // todo 处理预收益