我正在尝试将Google Play服务应用到我的游戏中，但是当重新启动该级别时，它会启动Google Play服务登录屏幕。
并进入控制台：Instance was not initialized, using default configuration.
这是整个日志
[Play Games Plugin DLL] 06/28/15 7:46:20 +03:00 DEBUG: Activating PlayGamesPlatform.
UnityEngine.Debug:Log(Object)
GooglePlayGames.OurUtils.Logger:d(String) (at Assets/GooglePlayGames/OurUtils/Logger.cs:58)
GooglePlayGames.PlayGamesPlatform:Activate() (at Assets/GooglePlayGames/ISocialPlatform/PlayGamesPlatform.cs:228)
GooglePlayServices:Awake() (at Assets/Scripts/GooglePlayServices.cs:13)
[Play Games Plugin DLL] 06/28/15 7:46:20 +03:00 DEBUG: Instance was not initialized, using default configuration.
UnityEngine.Debug:Log(Object)
GooglePlayGames.OurUtils.Logger:d(String) (at Assets/GooglePlayGames/OurUtils/Logger.cs:58)
GooglePlayGames.PlayGamesPlatform:get_Instance() (at Assets/GooglePlayGames/ISocialPlatform/PlayGamesPlatform.cs:94)
GooglePlayGames.PlayGamesPlatform:Activate() (at Assets/GooglePlayGames/ISocialPlatform/PlayGamesPlatform.cs:229)
GooglePlayServices:Awake() (at Assets/Scripts/GooglePlayServices.cs:13)
[Play Games Plugin DLL] 06/28/15 7:46:20 +03:00 DEBUG: PlayGamesPlatform activated: GooglePlayGames.PlayGamesPlatform
UnityEngine.Debug:Log(Object)
GooglePlayGames.OurUtils.Logger:d(String) (at Assets/GooglePlayGames/OurUtils/Logger.cs:58)
GooglePlayGames.PlayGamesPlatform:Activate() (at Assets/GooglePlayGames/ISocialPlatform/PlayGamesPlatform.cs:230)
GooglePlayServices:Awake() (at Assets/Scripts/GooglePlayServices.cs:13)
[Play Games Plugin DLL] 06/28/15 7:46:20 +03:00 DEBUG: Creating platform-specific Play Games client.
UnityEngine.Debug:Log(Object)
GooglePlayGames.OurUtils.Logger:d(String) (at Assets/GooglePlayGames/OurUtils/Logger.cs:58)
GooglePlayGames.PlayGamesPlatform:Authenticate(Action 1，布尔值）（在Assets / GooglePlayGames / ISocialPlatform / PlayGamesPlatform.cs：296）
GooglePlayGames.PlayGamesPlatform：验证（操作1) (at Assets/GooglePlayGames/ISocialPlatform/PlayGamesPlatform.cs:271)
GooglePlayGames.PlayGamesLocalUser:Authenticate(Action 1）（在Assets / GooglePlayGames / ISocialPlatform / PlayGamesLocalUser.cs：44）
GooglePlayServices：Start（）（在Assets / Scripts / GooglePlayServices.cs：19）
[Play Games Plugin DLL] 06/28/15 7:46:20 +03：00 DEBUG：使用DummyClient在编辑器中创建IPlayGamesClient。
UnityEngine.Debug：日志（对象）
GooglePlayGames.OurUtils.Logger：d（字符串）（在Assets / GooglePlayGames / OurUtils / Logger.cs：58）
GooglePlayGames.PlayGamesClientFactory：GetPlatformPlayGamesClient（PlayGamesClientConfiguration）（在Assets / GooglePlayGames / Platforms / PlayGamesClientFactory.cs：30）
GooglePlayGames.PlayGamesPlatform：Authenticate（Action 1, Boolean) (at Assets/GooglePlayGames/ISocialPlatform/PlayGamesPlatform.cs:297) [Play Games Plugin DLL] 06/28/15 7:46:20 +03:00 DEBUG: Received method call on DummyClient - using stub implementation.
UnityEngine.Debug:Log(Object)
GooglePlayGames.OurUtils.Logger:d(String) (at Assets/GooglePlayGames/OurUtils/Logger.cs:58)
GooglePlayGames.BasicApi.DummyClient:LogUsage() (at Assets/GooglePlayGames/BasicApi/DummyClient.cs:185)
GooglePlayGames.BasicApi.DummyClient:Authenticate(Action 1，Boolean）（在Assets / GooglePlayGames / BasicApi / DummyClient.cs：28）
GooglePlayGames.PlayGamesPlatform：验证（操作1, Boolean) (at Assets/GooglePlayGames/ISocialPlatform/PlayGamesPlatform.cs:301)
GooglePlayGames.PlayGamesPlatform:Authenticate(Action 1）（在Assets / GooglePlayGames / ISocialPlatform / PlayGamesPlatform.cs：271）
GooglePlayGames.PlayGamesLocalUser：身份验证（动作1) (at Assets/GooglePlayGames/ISocialPlatform/PlayGamesLocalUser.cs:44)
GooglePlayServices:Start() (at Assets/Scripts/GooglePlayServices.cs:19)