fix: 修复bug

src/api/performance.js

@@ -38,7 +38,8 @@ let performance = {
   },
   handleRefundOrder: {
     url: '/refund-order/process-refund-order',
-    method: 'post'
+    method: 'post',
+    useFormData: true
   },
   getDeliveryDetail: {
     url: '/delivery-order/get-delivery-detail',

src/views/performance-manage/refund.vue

@@ -380,6 +380,7 @@ export default {
       let params = {
         refundId: row.refundId,
         processFlag: isAgree,
+        refuseReason: ''
       };
       if(!isAgree) {
         params.refuseReason = this.refuseDialog.form.reason;