diff --git a/crmeb/app/services/order/StoreOrderRefundServices.php b/crmeb/app/services/order/StoreOrderRefundServices.php
index ac667a29f..870d00a19 100644
--- a/crmeb/app/services/order/StoreOrderRefundServices.php
+++ b/crmeb/app/services/order/StoreOrderRefundServices.php
@@ -76,7 +76,7 @@ class StoreOrderRefundServices extends BaseServices
             }
         }
         $f[] = Form::input('order_id', '退款单号', $order->getData('order_id'))->disabled(true);
-        $f[] = Form::number('refund_price', '退款金额', (float)bcsub((string)$order->getData('pay_price'), (string)$order->getData('refund_price'), 2))->precision(2)->required('请输入退款金额');
+        $f[] = Form::number('refund_price', '退款金额', (float)bcsub((string)$order->getData('pay_price'), (string)$order->getData('refund_price'), 2))->min(0)->required('请输入退款金额');
         return create_form('退款处理', $f, $this->url('/order/refund/' . $id), 'PUT');
     }