udiapp/app-android/build.gradle

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

buildscript {
    ext.kotlin_version = '1.4.21'

    repositories {
        jcenter(){ url 'https://maven.aliyun.com/repository/public/'}
        maven{ url 'https://maven.aliyun.com/repository/public/'}
        maven { url "https://jitpack.io" }
        maven {
            url = uri("https://plugins.gradle.org/m2/")
        }
        google()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:4.1.2'
        classpath "com.alibaba:arouter-register:1.0.2"
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath "org.jetbrains.kotlin:kotlin-android-extensions:$kotlin_version"
        //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 {

        jcenter(){ url 'https://maven.aliyun.com/repository/public/'}
        maven { url "https://jitpack.io" }
        maven {
            url  "http://dl.bintray.com/pixplicity/android"
        }
        maven { url "https://oss.jfrog.org/libs-snapshot" }
        google()
    }

}

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