diff --git a/app/Services/AfterSaleService.php b/app/Services/AfterSaleService.php
index 3d3b42fc..f16929ab 100644
--- a/app/Services/AfterSaleService.php
+++ b/app/Services/AfterSaleService.php
@@ -49,6 +49,10 @@ class AfterSaleService
 
         $amount = ($num == $orderProduct->quantity) ? $orderProduct->total_amount : bcmul(bcdiv($orderProduct->total_amount, $orderProduct->quantity), $num);
 
+        if ($amount == 0 && in_array($params['type'], [AfterSale::TYPE_REFUND])) {
+            throw new BizException('实际支付金额为0的商品无法发起退款售后');
+        }
+
         $afterSale = AfterSale::create(array_merge($params, [
             'user_id'   => $user->id,
             'order_id'  => $orderProduct->order_id,