feat:课程分类搜索添加搜索默认图

src/modules/teach-tool/components/CourseCategoryManage.jsx

@@ -2,7 +2,7 @@
  * @Author: yuananting
  * @Date: 2021-02-23 18:28:50
  * @LastEditors: wufan
- * @LastEditTime: 2021-06-24 11:19:34
+ * @LastEditTime: 2021-06-24 13:39:30
  * @Description: 助学工具-课程分类
  * @Copyrigh: © 2020 杭州杰竞科技有限公司 版权所有
  */
@@ -586,7 +586,7 @@ class CourseCategoryManage extends Component {
               <Otherwise>
                 <LottieIcon
                   title={<span className="desc">搜索无结果</span>}
-                  type="college"
+                  type="search"
                   size={150}
                 />
               </Otherwise>