docs: update README.md

Author: wangxingkang

README.md

@@ -6,15 +6,16 @@
 
 | 组件  |    版本   |    描述   |
 |------|-----------|-----------|
-|(watermark)[watermark]||水印组件|
-|(aliplayer)[aliplayer]||阿里云播放器封装|
+|[watermark]([var-watermark])||水印组件|
+|[aliplayer]([var-aliplayer])||阿里云播放器封装|
 
 ## 🌟 社区互助
 
 | Github Issue                                      | 钉钉群                                                                                     | 微信群                                                                                   |
 | ------------------------------------------------- | ------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------- |
-| [issues](issues) | <img src="https://github.com/alitajs/alita/blob/master/public/dingding.png" width="100" /> | <img src="https://github.com/alitajs/alita/blob/master/public/wechat.png" width="100" /> |
+| [issues]([var-issues]) | <img src="https://github.com/alitajs/alita/blob/master/public/dingding.png" width="100" /> | <img src="https://github.com/alitajs/alita/blob/master/public/wechat.png" width="100" /> |
 
-[issues]: https://github.com/pansyjs/react-watermark/issues
-[watermark]: https://github.com/pansyjs/react-components/packages/watermark
-[aliplayer]: https://github.com/pansyjs/react-components/packages/aliplayer
+[var-issues]: https://github.com/pansyjs/react-components/issues
+[var-watermark]: https://github.com/pansyjs/react-components/packages/watermark
+[var-aliplayer]: https://github.com/pansyjs/react-components/packages/aliplayer
+[var-dingding]: https://github.com/alitajs/alita/blob/master/public/dingding.png