把所有

    1. google()
    2. jcenter()

    替换成

    1. maven { url 'https://maven.aliyun.com/repository/google' }
    2. maven { url 'https://maven.aliyun.com/repository/jcenter' }
    3. maven { url 'http://maven.aliyun.com/nexus/content/groups/public' }