Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.1.2/gradle-3
参考 https://blog.csdn.net/verkery6/article/details/80797705
文章来自：https://www.cnblogs.com/white-knight/p/9670068.html
参考 https://blog.csdn.net/verkery6/article/details/80797705