Update 好用的链接.md

Author: wangzhaohan2910

content/好用的链接.md

@@ -192,6 +192,7 @@ Authors: wangzhaohan2910
 * [成就](http://mc.whitegem.net)
 * [chunkbase](https://www.chunkbase.com/)
 * [badge](https://shields.io/badges)
+* [JSONTool](https://www.tooljson.com/)
 
 ## HTML Validator