fix:线上课预览课程分类title补充

src/modules/course-manage/modal/PreviewCourseModal.jsx

 /*
  * @Author: 吴文洁
  * @Date: 2020-07-23 14:54:16
- * @LastEditors: fusanqiasng
- * @LastEditTime: 2021-05-24 21:02:21
+ * @LastEditors: yuananting
+ * @LastEditTime: 2021-07-12 11:39:35
  * @Description: 大班直播课预览弹窗
  * @Copyright: 杭州杰竞科技有限公司 版权所有
  */
@@ -182,7 +182,7 @@ class PreviewCourseModal extends React.Component {
               <When condition={type === 'videoCourse'}>
                 <div className='container__body'>
                   <div className='title__name'>{courseName}</div>
-                  <div className='title__category'>{categoryName}</div>
+                  <div className='title__category'>课程分类：{categoryName}</div>
                   <div className='title__chapter'>共{courseChapterList.length}小节</div>
                 </div>
               </When>