Update README.md

echoTheLiar · web-flow · commit 94452040fc70 · 2020-11-29T11:39:19.000+08:00
diff --git a/README.md b/README.md
@@ -42,12 +42,12 @@ Java代码积累：**[并发](./README.md/#concurrency) [设计模式](./README.
 ## using containers
 - [利用迭代器实现反转](./src/containers/Reverse.java)
 
-## tools
-- [@Todo 利用注解、反射实现一个小工具]()
-- [@Todo 批量修改文件后缀名]()
-
 ## util
 - [StringUtil类 - 封装常用的String方法](./src/util/StringUtil.java)
 
 ## basic
 - [正则表达式使用方式](./src/basic/UsingRegex.java)
+
+## 如果有帮到你，欢迎随意打赏，感谢～
+![微信支付](https://raw.githubusercontent.com/echoTheLiar/JavaCodeAcc/master/wechatpay.JPG)
+![支付宝](https://raw.githubusercontent.com/echoTheLiar/JavaCodeAcc/master/alipay.JPG)
