BaseLibrary/build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {

    apply from:'config.gradle'
    repositories {
//        google()
//        jcenter()
//        maven { url 'https://maven.google.com' }
        maven { url 'https://jitpack.io' }
        maven { url 'https://maven.aliyun.com/repository/google' }
        maven { url 'http://maven.aliyun.com/nexus/content/groups/public' }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.6.1'
        classpath 'com.jakewharton:butterknife-gradle-plugin:10.2.1'

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

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

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