m

app/Http/Controllers/Api/OrderController.php

         $order['delivery_date'] = !empty($request->input('delivery_date')) ? $request->input('delivery_date') : date('Y-m-d'); //发货日期
         $order['payment_type'] = (int)$request->input('payment_type'); //支付方式
 
+        $order['use_coupon'] = 0;
         $coupon_id = (int)$request->input('coupon_id'); 
         if($coupon_id>0){
             if($order['payment_type'] == 4){