box/build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
apply from: "config.gradle"
buildscript {
    repositories {
        maven{url 'http://maven.aliyun.com/nexus/content/groups/public/'}
        maven { url 'https://jitpack.io' }

        google()
        jcenter()
    }
    dependencies {
//        classpath 'com.android.tools.build:gradle:3.0.0'
        classpath 'com.android.tools.build:gradle:3.5.3'


        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        maven{url 'http://maven.aliyun.com/nexus/content/groups/public/'}
        maven { url 'https://jitpack.io' }
        google()
        jcenter()
        
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}