Update README.md

Author: TommyLemon

README.md

@@ -100,7 +100,7 @@ See document in [ColumnUtil](/src/main/java/apijson/column/ColumnUtil.java) and
 
 ![image](https://user-images.githubusercontent.com/5738175/113572926-b77bf580-964b-11eb-8a17-10917669c2aa.png)
 
-注意：[APIAuto](https://github.com/TommyLemon/APIAuto) 不能自动获取并展示对应映射字段 showKey 的类型、长度、注释等文档，只能手写注释 <br />
+注意：[APIAuto](https://github.com/TommyLemon/APIAuto) 不能自动获取并展示对应映射字段 showKey 的类型、长度、注释等文档，只能通过手写注释来实现 <br />
 Note: [APIAuto](https://github.com/TommyLemon/APIAuto) cannot automatically get and show the document for the showKey, you can add comment manually. 
 
 <br /><br />