update

src/views/Student/index.vue

@@ -21,7 +21,7 @@
             </span>
           </button>
         </div>
-        <div v-show="!slidePanelCollapsed" class="panel-content">
+        <div v-if="!slidePanelCollapsed" class="panel-content">
           <div class="thumbnail-list">
             <div v-for="(slide, index) in slides" :key="slide.id" class="thumbnail-item"
               :class="{ 'active': slideIndex === index }" @click="goToSlide(index)">