diff --git a/src/components/EditPosition.vue b/src/components/EditPosition.vue
index 8c39478..c5efbc8 100644
--- a/src/components/EditPosition.vue
+++ b/src/components/EditPosition.vue
@@ -51,7 +51,7 @@
v-for="(item, index) in materialList.scList"
:key="item.id"
class="scListItem"
- :class="showBorderActive == item.id ? 'border' : ''"
+ :class="scBorderActive == index ? 'border' : ''"
@mousedown.stop="handleDragSc(item, index, $event)"
:style="{
top: item.y / props.proportion + 'px',
@@ -64,7 +64,7 @@