diff --git a/src/pages/09_task-order/order_view/MainPage.vue b/src/pages/09_task-order/order_view/MainPage.vue
index d15f1320..4cc17732 100644
--- a/src/pages/09_task-order/order_view/MainPage.vue
+++ b/src/pages/09_task-order/order_view/MainPage.vue
@@ -98,7 +98,7 @@ function getPrice(
   }[],
 ) {
   return list.reduce(
-    (a, c, i) => {
+    (a, c) => {
       const pricePerUnit = c.product.serviceCharge;
       const amount = c.list.length;
       const discount =