build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    ext.kotlin_version = '1.3.72'
    repositories {
        google()
        //阿里云jcenter仓库
        maven{ url 'https://maven.aliyun.com/repository/jcenter' }
        maven {
            url 'https://jitpack.io'
        }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:4.1.1'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
    }
}

allprojects {
    repositories {
        google()
        //阿里云jcenter仓库
        maven{ url 'https://maven.aliyun.com/repository/jcenter' }
        maven {
            url 'https://jitpack.io'
        }
    }
    //配置这个
    tasks.withType(Javadoc) {
        options.addStringOption('Xdoclint:none', '-quiet')
        options.addStringOption('encoding', 'UTF-8')
    }
}

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