android – 无法解决：编译’com.google.firebase：firebase-config：9.2.1′

compile 'com.google.firebase:firebase-config:9.2.1'

它将显示错误错误：(25,13)无法解析：com.google.firebase：firebase-config：9.2.1
在Project Structure对话框的FileShow中显示

Gradle文件：

apply plugin: 'com.android.application'

android {
    compileSdkVersion 24
    buildToolsversion "24.0.0"

    defaultConfig {
        applicationId "com.bazingalabs.firebaseremoteconfig"
        minSdkVersion 15
        targetSdkVersion 24
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'),'proguard-rules.pro'
        }
    }
}

dependencies {
    compile filetree(dir: 'libs',include: ['*.jar'])
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:24.0.0'
    compile 'com.google.firebase:firebase-config:9.2.1'


}
apply plugin: 'com.google.gms.google-services'

错误Image