第一步 Step 1
IOS用户请先仔细阅读如下提示，了解如何安装和并信任JoyChat App。安卓用户，请直接安装。
For IOS user, please read the following tips for install and
trust JoyChat App. For Android user, please install JoyChat App directly.
第二步 Step 2
电脑上，请使用手机扫描二维码下载安装App。
On PC, please scan QR Code to download and install App.
On PC, please scan QR Code to download and install App.