收起图标

src/views/help/Index.vue

@@ -237,7 +237,8 @@ const scrollChange=()=>{
         </div>
       </div>
       <div class="fold-right-icon" @click="isRightFold=!isRightFold">
-        <img src="@/assets/img/icon/fold.png" />
+        <img src="@/assets/img/icon/fold.png" v-if="!isRightFold" />
+        <img src="@/assets/img/icon/unfold.png" v-else />
       </div>
     </div>
   </div>