修复：图书详情和课程详情无数据问题

pages/course/index.vue

@@ -1,11 +1,5 @@
 <template>
-  <scroll-view 
-    class="course-home-page" 
-    scroll-y 
-    refresher-enabled 
-    :refresher-triggered="isRefreshing"
-    @refresherrefresh="handleRefresh"
-  >
+  <view class="course-home-page">
     <!-- 头部区域 -->
     <view class="home-bg" :style="{ paddingTop: getNotchHeight() + 'px' }">
       <wd-search
@@ -221,7 +215,7 @@
         </template>
       </Skeleton>
     </view>
-  </scroll-view>
+  </view>
 </template>
 
 <script setup lang="ts">
@@ -472,8 +466,6 @@ const requestAll = async () => {
  * 处理下拉刷新
  */
 const handleRefresh = async () => {
-  isRefreshing.value = true
-  
   try {
     // 刷新所有数据
     await requestAll()
@@ -482,7 +474,7 @@ const handleRefresh = async () => {
   } finally {
     // 延迟关闭刷新状态，避免闪烁
     setTimeout(() => {
-      isRefreshing.value = false
+      uni.stopPullDownRefresh()
     }, 500)
   }
 }
@@ -535,9 +527,7 @@ onHide(() => {
  * 下拉刷新
  */
 onPullDownRefresh(() => {
-  requestAll().then(() => {
-    uni.stopPullDownRefresh()
-  })
+  handleRefresh()
 })
 
 /**