修复：内测问题修改：免费课程及课程详情代码优化、积分支付默认值、书籍价格显示

pages/course/details/chapter.vue

@@ -31,7 +31,7 @@
       <view v-if="videoList.length > 0" class="video-list-section">
         <view class="section-title">{{ $t('courseDetails.videoTeaching') }}</view>
         <wd-radio-group v-model="currentVideoIndex" shape="button" >
-          <wd-radio v-for="(video, index) in videoList" :key="video.id" :value="index">
+          <wd-radio v-for="(video, index) in videoList" :key="video.id" :value="index" class="mb-2!">
             【{{ video.type == "2" ? $t('courseDetails.audio') : $t('courseDetails.video') }}】{{ index + 1 }}
           </wd-radio>
         </wd-radio-group>