diff --git a/app/common/logic/store_order/StoreOrderLogic.php b/app/common/logic/store_order/StoreOrderLogic.php
index dc4fe74f9..ae108de1c 100644
--- a/app/common/logic/store_order/StoreOrderLogic.php
+++ b/app/common/logic/store_order/StoreOrderLogic.php
@@ -11,6 +11,9 @@ use app\common\model\store_order_cart_info\StoreOrderCartInfo;
 use app\common\model\store_product\StoreProduct;
 use app\common\model\store_product_unit\StoreProductUnit;
 use app\common\model\user\UserAddress;
+use app\common\service\pay\PayService;
+use Exception;
+use support\Cache;
 use think\facade\Db;
 
 class StoreOrderLogic extends BaseLogic
@@ -165,4 +168,47 @@ class StoreOrderLogic extends BaseLogic
         return StoreOrder::where($where)->sum('pay_price');
     }
 
+
+    /**
+     * 退款
+     * @param $order_sn
+     * @param $refund_money
+     * @param $total
+     * @return bool
+     * @throws Exception
+     */
+    public function refund($order_sn,$refund_money,$total)
+    {
+        try {
+            $wechat = new PayService(1);
+            $time = time();
+            $order = [
+                'out_trade_no' => $order_sn,
+                'out_refund_no' => 'BO'.$time,
+                'amount' => [
+                    'refund' => $refund_money,
+                    'total' => $total,
+                    'currency' => 'CNY',
+                ],
+                // '_action' => 'jsapi', // jsapi 退款，默认
+                // '_action' => 'app', // app 退款
+                // '_action' => 'combine', // 合单退款
+                // '_action' => 'h5', // h5 退款
+                // '_action' => 'miniapp', // 小程序退款
+                // '_action' => 'native', // native 退款
+
+            ];
+
+            $res =  $wechat->wechat->refund($order);
+            if($res['status'] == 'PROCESSING'){
+                return true;
+            }
+            return false;
+        } catch (Exception $e) {
+            \support\Log::info($e->extra['message']?? $e->getMessage());
+            throw new \Exception($e->extra['message']?? $e->getMessage());
+        }
+
+    }
+
 }