dependencies {
    implementation project(":")
    implementation "com.google.code.gson:gson:2.8.2"
    // kotlin 协程
    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.2.1'
    // 计算对象大小
    implementation 'org.apache.lucene:lucene-core:4.0.0'
}