iOS SDK:
https://down.bizvideo.cn/app/bizconf/open/sdk_ios.zip
Android SDK:
https://down.bizvideo.cn/app/bizconf/open/sdk_android.zip
Windows SDK:
https://down.bizvideo.cn/app/bizconf/open/sdk_windows.zip
mac SDK:
https://down.bizvideo.cn/app/bizconf/open/sdk_mac.zip
SDK的版本变更记录:
https://down.bizvideo.cn/app/bizconf/open/sdk_changelog.docx