Android Studio错误：无法从'file：/ C：/ Users /〜/ gradle / wrapper /'

Question

我是一个完全菜鸟，需要一些帮助。我该如何解决这个问题？非常感谢！！哪里错了？

我的文件

gradle-wrapper.properties

 #Fri Jul 19 12:04:39 BST 2019
    distributionBase=GRADLE_USER_HOME
    distributionPath=wrapper/dists
    zipStoreBase=GRADLE_USER_HOME
    zipStorePath=wrapper/dists
    distributionUrl=
      https\://services.gradle.org/distributions/gradle-5.1.1-all.zip= 

build.gradle（模块：应用）

apply plugin: 'com.android.application'

android {
    compileSdkVersion 28
    buildToolsVersion '27.0.3'
    defaultConfig {
        applicationId "com.example.a7700teste"
        minSdkVersion 16
        targetSdkVersion 28
        versionCode 5
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    implementation 'com.android.support:appcompat-v7:28.1.1'
    implementation 'com.android.support:design:28.1.1'
    implementation 'com.android.support:exifinterface:28.1.1'
    implementation 'com.android.support.constraint:constraint-layout:3.0.0'
    testImplementation 'junit:junit:4.12'
    implementation 'com.google.firebase:firebase-core:17.0.1'
    implementation 'com.google.firebase:firebase-auth:18.1.0'
    implementation 'com.google.firebase:firebase-database:18.0.0'
    implementation 'com.google.firebase:firebase-storage:18.1.0'
    implementation 'com.squareup.picasso:picasso:2.71828'
}

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

build.gradle（项目）

buildscript {
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:4.3.0'
        classpath 'com.google.gms:google-services:4.3.0'
        implementation 'com.google.firebase:firebase-core:17.0.1'

        // 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"
        }*/
    }
}

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

当我尝试进行Gradle Project Sync时，它失败，并说：

  

错误消息：无法从以下位置安装Gradle分发   “文件：/ C：/ Users / Admin / AndroidStudioProjects / 7700teste / gradle / wrapper /”。