Unity Android解析失败

我目前在 Unity3D 中遇到奇怪的错误或错误 . 尽管只使用原始的谷歌插件，我得到以下错误尝试解决Android依赖项 . 这是错误日志：

Resolution failed

Failed to fetch the following dependencies:
com.google.android.gms:play-services-ads-identifier:15.0.2
com.google.android.gms:play-services-ads-license:15.0.2
com.google.android.gms:play-services-ads-lite-license:15.0.2
com.google.android.gms:play-services-ads-lite:15.0.2
com.google.android.gms:play-services-ads:15.0.2
com.google.android.gms:play-services-auth-api-phone-license:15.0.2
com.google.android.gms:play-services-auth-api-phone:15.0.2
com.google.android.gms:play-services-auth-base-license:15.0.2
com.google.android.gms:play-services-auth-base:15.0.2
com.google.android.gms:play-services-auth:15.0.2
com.google.android.gms:play-services-base:15.0.2
com.google.android.gms:play-services-basement:15.0.2
com.google.android.gms:play-services-drive-license:15.0.2
com.google.android.gms:play-services-drive:15.0.2
com.google.android.gms:play-services-games-license:15.0.2
com.google.android.gms:play-services-games:15.0.2
com.google.android.gms:play-services-gass-license:15.0.2
com.google.android.gms:play-services-gass:15.0.2
com.google.android.gms:play-services-nearby-license:15.0.2
com.google.android.gms:play-services-nearby:15.0.2
com.google.android.gms:play-services-stats:15.0.2
com.google.android.gms:play-services-tasks:15.0.2
com.google.firebase:firebase-analytics-impl-license:15.0.2
com.google.firebase:firebase-analytics-license:15.0.2
com.google.firebase:firebase-common-license:15.0.2
com.google.firebase:firebase-common:15.0.2
com.google.firebase:firebase-iid-license:15.0.2
com.google.firebase:firebase-messaging-license:15.0.2


UnityEngine.DebugLogHandler:Internal_Log(LogType, String, Object)
UnityEngine.DebugLogHandler:LogFormat(LogType, Object, String, Object[])
UnityEngine.Logger:Log(LogType, Object)
UnityEngine.Debug:Log(Object)
Google.Logger:Log(String, LogLevel)
GooglePlayServices.PlayServicesResolver:Log(String, LogLevel)
GooglePlayServices.<ResolveUnsafe>c__AnonStorey2:<>m__1()
GooglePlayServices.PlayServicesResolver:PumpUpdateQueue()
UnityEditor.EditorApplication:Internal_CallUpdateFunctions() (at C:\buildslave\unity\build\Editor\Mono\EditorApplication.cs:183)

(Filename: C:/buildslave/unity/build/Editor/Mono/EditorApplication.cs Line: 183)

这是我的插件列表：

• Google Play游戏0.9.50：https://github.com/playgameservices/play-games-plugin-for-unity

• Google移动广告3.13.1：https://github.com/googleads/googleads-mobile-unity/releases

• Firebase Unity SDK 4.5.2：https://firebase.google.com/docs/unity/setup

• Google Analytics：https://github.com/googleanalytics/google-analytics-plugin-for-unity

根据日志，15.0.2找不到，但我目前在Android Studio中使用v15.0.2库 . 提前致谢！