后端需求：财务中心-订单审核-我的审核-费用信息区域-合计行最后一列-增加利润差额字段

src/views/finance/modules/auditDetail.vue

@@ -908,7 +908,7 @@
                   Number(detailData?.insFeeOrders?.jyExportKeepPointPremium)).toFixed(5) }}</div>
               </th>
               <th colspan="2">
-                --
+                <div>利润差额:￥{{ detailData?.insFeeOrders?.totalExportDiffAmount || 0  }}</div>
               </th>
             </tr>
           </tbody>