update README.md

Author: TheSnowfield

README.md

@@ -1,8 +1,8 @@
 # BotArcAPI [![image](image/arcaeabots_32x32.png)](#)
 
-[![version](https://img.shields.io/static/v1?label=api-ver&message=v2&color=green)](#)
+[![version](https://img.shields.io/static/v1?label=api-ver&message=v3&color=green)](#)
 [![status](https://img.shields.io/static/v1?label=status&message=develop&color=red)](#)
-[![chat](https://img.shields.io/static/v1?label=chat-qq&message=866231846&color=blue)](#)
+[![chat](https://img.shields.io/static/v1?label=qq-group&message=866231846&color=blue)](#)
 [![Docker Image](https://github.com/TheSnowfield/BotArcAPI/workflows/Docker%20Compose/badge.svg)](#)  
 
 A fast and convenient Arcaea API for your bot.  
@@ -15,8 +15,7 @@ A fast and convenient Arcaea API for your bot.
 ## 🌈 Guide for using
 - [Get Started](../../wiki/Get-Started)
 - [Get Started With Docker](../../wiki/Get-Started-With-Docker)
-- [API Reference v1](../../wiki/API-Reference-v1)
-- [API Reference v2](../../wiki/API-Reference-v2)
+- [API Reference v3](../../wiki/API-Reference-v3)
 
 ## 🙌 Contribute with song database
 We're looking for new song alias now.