Guideline 4.2.3 - Design - Minimum Functionality
We were required to install WeChat and QQ before we could use your app. Apps should be able to run on launch, without requiring additional apps to be installed.
Next Steps
To resolve this issue, please revise your app to ensure that users can use it upon launch. If your app requires authentication before use, please use methods that can authenticate users from within your app.
这是第三方登录时遇到的问题，前面发了两个版本没有被拒绝，这一次又拒绝了。
在网络上查看一下前人经验，提示和置灰（不可点击的那种）都还是被拒绝。唯一的办法就是一隐藏微信和QQ的按钮。
判断微信安装 if([WXApi isWXAppInstalled])
判断QQ安装 if ([TencentOAuth iphoneQQInstalled])
