我在下载android sdk时出错

嗨，我下载了android studio 3.1.2并安装了它，但gradle没有同步。我试图修复它，但我不能，然后我卸载了android studio并删除了所有关于它的东西，比如sdk。。。之后，我重新安装了android studio并想下载sdk管理器，当下载开始时，我收到了这些错误，并附上了图片：

试试下面的方法

转到生成-->清理项目

转到SDK管理器并再次尝试下载

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对于此问题/非主题，这可能是错误的站点？

java.io.IOException: Cannot download 'https://dl.google.com/android/repository/emulator-windows-4623001.zip': 
SSL peer shut down incorrectly ,
 response: 200 OK Warning: An error occurred while preparing SDK package Android Emulator: 
Cannot download 'https://dl.google.com/android/repository/emulator-windows-4623001.zip': 
SSL peer shut down incorrectly ,
 response: 200 OK. 
"Install Android Emulator (revision: 27.1.12)" failed. Preparing "Install Android Support Repository (revision: 47.0.0)".
 Downloading https://dl.google.com/android/repository/android_m2repository_r47.zip java.io.IOException: 
Cannot download 'https://dl.google.com/android/repository/android_m2repository_r47.zip': Unexpected end of file from server ,
 response: 200 OK Warning: 
An error occurred while preparing SDK package Android Support Repository:
 Cannot download 'https://dl.google.com/android/repository/android_m2repository_r47.zip': 
Unexpected end of file from server ,
 response: 200 OK.