Update README_ch.md

Author: gitstliu

README_ch.md

@@ -18,6 +18,9 @@ config.toml 输出源配置文件
 ```
 <img src="https://github.com/gitstliu/MysqlToAll/blob/master/diss_config_ch.png" alt="具体用法" align=center />
 
+## QQ
+<img src="https://github.com/gitstliu/MysqlToAll/blob/master/QQ%E7%BE%A4%E5%90%8D%E7%89%87.png" alt="QQ群" align=center />
+
 
 # 性能测试数据