Update README.md

README.md

@@ -49,7 +49,7 @@ qa_datasets = load_dataset('FreedomIntelligence/CMB','qa')
 ![CMB](assets/CMB-final.png)
 ### 组成部分
 - CMB-Exam: 全方位多层次测评模型医疗知识;
-   - 结构: 6大项28小项，详见上图CMB-Exam, [目录地址](catalog.md);
+   - 结构: 6大项28小项，详见上图CMB-Exam, [目录地址](https://github.com/FreedomIntelligence/CMB/blob/main/catalog.md);
    - CMB-test: 11200道题目，每一小项400道题目; 
    - CMB-val: 280道附带详细解析的题目; Few Shot数据集;
    - CMB-train: 269359道题目; 模型医疗知识注入;