用android studio3.2建个helloworld一直错误

Could not GET 'https://dl.google.com/dl/android/maven2/com/github/dcendents/android-maven-gradle-plugin/1.8/android-maven-gradle-plugin-1.8.pom'. Received status code 405 from server: Method Not Allowed
Enable Gradle 'offline mode' and sync project        加了maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }
        和maven { url "https://jitpack.io" }