Update readme

README.md

@@ -95,9 +95,16 @@ recyclerView.adapter = adapter
 - 发现有需要的功能 `Flap` 不具有？ 提 [issue](https://github.com/AlanCheen/Flap/issues) 告诉我！
 - 任何意见和建议都可以提喔~
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 ## 贡献者列表
+
 感谢以下人员对 `Flap` 提供的帮助：
 
+
+<a href="https://github.com/AlanCheen/Flap/graphs/contributors">
+  <img src="https://contrib.rocks/image?repo=AlanCheen/Flap" />
+</a>
+
 - [dreamkong](https://github.com/dreamkong)
 - [Fitz](https://github.com/finalrose7)
 - [Halouyao](https://github.com/doooyao)
@@ -106,6 +113,12 @@ recyclerView.adapter = adapter
 - [zhousysu](https://github.com/zhousysu)
 - [阿呆](http://blogyudan.online/)
 
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+## Stargazers over time
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+[![Stargazers over time](https://starchart.cc/AlanCheen/Flap.svg)](https://starchart.cc/AlanCheen/Flap)
+
+
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 ## License
 Apache 2.0