fix:返回

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

@@ -2,7 +2,7 @@
  * @Author: yuananting
  * @Date: 2021-02-23 18:28:50
  * @LastEditors: yuananting
- * @LastEditTime: 2021-04-15 21:43:35
+ * @LastEditTime: 2021-04-15 21:53:13
  * @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
  */
@@ -590,7 +590,7 @@ class CourseCategoryManage extends Component {
     } = this.state;
     return (
       <div className="page course-category-manage">
-        {getParameterByName("from") === "aid" ? (
+        {["aid", "knowledge"].includes(getParameterByName("from")) ? (
           <Breadcrumbs
             navList="课程分类"
             goBack={() =>