Received close_notify during han

android 新建kotlin 项目时报这个错误是因为在jcenter无法下载对应的jar，这里新增阿里云的地址

    maven{ url'http://maven.aliyun.com/nexus/content/groups/public/' }
    maven{ url'http://maven.aliyun.com/nexus/content/repositories/jcenter'}