diff --git a/src/project/huizhili/AppCooperationPropaganda/cooperationDetail.vue b/src/project/huizhili/AppCooperationPropaganda/cooperationDetail.vue
index f6a93f3a..e9c27856 100644
--- a/src/project/huizhili/AppCooperationPropaganda/cooperationDetail.vue
+++ b/src/project/huizhili/AppCooperationPropaganda/cooperationDetail.vue
@@ -67,7 +67,7 @@
       <div class="list_content">
         <div class="list_card">
           <div class="tab" >
-            <div class="item" :class="tabIndex == index? 'bgactive': ''" v-for="(item,index) in subsection" :key="index" @click="changeSub(index)">
+            <div class="item" :class="subIndex == index? 'bgactive': ''" v-for="(item,index) in subsection" :key="index" @click="changeSub(index)">
               {{ item }}
             </div>
           </div>