diff --git a/app/Service/CouponService.php b/app/Service/CouponService.php
index 5efe903..0d77114 100644
--- a/app/Service/CouponService.php
+++ b/app/Service/CouponService.php
@@ -161,11 +161,11 @@ class CouponService implements CouponServiceInterface
         $available = [];
         $notAvailable = [];
 
-        if ($this->empty($orderAmount) || $this->empty($userId)) {
-            return $this->success([
+        if (empty($orderAmount) || empty($userId)) {
+            return [
                 'available' => $available,
                 'not_available' => array_values($notAvailable)
-            ]);
+            ];
         }
 
         // 获取用户优惠券