细节优化

app/api/controller/Checkout.php

@@ -108,7 +108,7 @@ class Checkout extends Controller
             return $this->renderError($Checkout->getError() ?: '订单创建失败', ['isCreated' => false]);
         }
         // 返回状态
-        return $this->renderSuccess(['orderId' => $Checkout->model['order_id']], '订单创建成功');
+        return $this->renderSuccess(['orderId' => (int)$Checkout->model['order_id']], '订单创建成功');
     }
 
     /**

app/api/model/UserCoupon.php

@@ -14,6 +14,7 @@ namespace app\api\model;
 
 use app\api\service\User as UserService;
 use app\api\model\Coupon as CouponModel;
+use app\common\library\Log;
 use app\common\model\UserCoupon as UserCouponModel;
 use app\common\enum\coupon\CouponType as CouponTypeEnum;
 use app\common\enum\coupon\ApplyRange as ApplyRangeEnum;
@@ -145,7 +146,7 @@ class UserCoupon extends UserCouponModel
         // 当前用户ID
         $userId = UserService::getCurrentLoginUserId(true);
         // 获取优惠券信息
-        $couponInfo = Coupon::detail($couponId);
+        $couponInfo = CouponModel::detail($couponId);
         // 验证优惠券是否可领取
         if (!$this->checkReceive($userId, $couponInfo)) {
             return false;
@@ -162,10 +163,6 @@ class UserCoupon extends UserCouponModel
      */
     private function checkReceive(int $userId, CouponModel $couponInfo): bool
     {
-        if (empty($couponInfo)) {
-            $this->error = '当前优惠券不存在';
-            return false;
-        }
         // 验证优惠券状态是否可领取
         $model = new CouponModel;
         if (!$model->checkReceive($couponInfo)) {