Update README.md

Author: AlexV525

README.md

@@ -1,6 +1,6 @@
 # Flutter WeChat Assets Picker
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square&label=github)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square&logo=github)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 [![pub package](https://img.shields.io/pub/v/wechat_assets_picker?logo=dart&label=stable&style=flat-square)](https://pub.dev/packages/wechat_assets_picker)
 [![pub package](https://img.shields.io/pub/v/wechat_assets_picker?color=42a012&include_prereleases&label=dev&logo=dart&style=flat-square)](https://pub.dev/packages/wechat_assets_picker)