fix: 修正类名错误导致的显示错误

src/components/SlideCard.vue

@@ -1,5 +1,5 @@
 <template>
-  <div class="slide-card" :class="small ? 'small' : ''" title="点击查看课件" @click="handleClick(123)">
+  <div class="slide-card" :class="small ? 'small-card' : ''" title="点击查看课件" @click="handleClick(123)">
     <div class="slide-card-title"><span class="icon">{{iconMap['slide_show']}}</span>
       {{ slide.name }}
       <span class="tag">{{slideStateTranslation[slide.state]}}</span>
@@ -52,7 +52,7 @@ export default {
   }
 }
 
-.small {
+.small-card {
   .slide-card-course {
     display: none;
   }