doc: modify CONTRIBUTING.md.

CONTRIBUTING.md

@@ -107,9 +107,15 @@ npm run start  # 监听 md 文件编译输出 HTML
 <a href="https://github.com/mofelee" title="mofelee">
   <img src="https://avatars.githubusercontent.com/u/5069410?v=4" width="42;" alt="mofelee"/>
 </a>
+<a href="https://github.com/JeffersonHuang" title="Jefferson">
+  <img src="https://avatars.githubusercontent.com/u/47512530?v=4" width="42;" alt="Jefferson"/>
+</a>
 <a href="https://github.com/partoneplay" title="partoneplay">
   <img src="https://avatars.githubusercontent.com/u/5189132?v=4" width="42;" alt="partoneplay"/>
 </a>
+<a href="https://github.com/ryanhex53" title="ryanhex53">
+  <img src="https://avatars.githubusercontent.com/u/360426?v=4" width="42;" alt="ryanhex53"/>
+</a>
 <a href="https://github.com/catcto" title="喵仙人">
   <img src="https://avatars.githubusercontent.com/u/5467932?v=4" width="42;" alt="喵仙人"/>
 </a>
@@ -137,9 +143,6 @@ npm run start  # 监听 md 文件编译输出 HTML
 <a href="https://github.com/jasnzhuang" title="Jason Zhuang">
   <img src="https://avatars.githubusercontent.com/u/16612921?v=4" width="42;" alt="Jason Zhuang"/>
 </a>
-<a href="https://github.com/JeffersonHuang" title="Jefferson">
-  <img src="https://avatars.githubusercontent.com/u/47512530?v=4" width="42;" alt="Jefferson"/>
-</a>
 <a href="https://github.com/JetSquirrel" title="JetSquirrel">
   <img src="https://avatars.githubusercontent.com/u/20291255?v=4" width="42;" alt="JetSquirrel"/>
 </a>
@@ -197,9 +200,6 @@ npm run start  # 监听 md 文件编译输出 HTML
 <a href="https://github.com/onewesong" title="onewesong">
   <img src="https://avatars.githubusercontent.com/u/17920822?v=4" width="42;" alt="onewesong"/>
 </a>
-<a href="https://github.com/ryanhex53" title="ryanhex53">
-  <img src="https://avatars.githubusercontent.com/u/360426?v=4" width="42;" alt="ryanhex53"/>
-</a>
 <a href="https://github.com/wjjwkwindy" title="wjjwkwindy">
   <img src="https://avatars.githubusercontent.com/u/9508591?v=4" width="42;" alt="wjjwkwindy"/>
 </a>