DLL – 升级到1.1.0后无法加载文件或程序集“Microsoft.EntityFr

FileLoadException: Could not load file or assembly
‘Microsoft.EntityFrameworkCore.SqlServer,Version=1.1.0.0,
Culture=neutral,PublicKeyToken=adb9793829ddae60’ or one of its
dependencies. The located assembly’s manifest definition does not
match the assembly reference. (Exception from HRESULT: 0x80131040)

project.json

"dependencies": {
    "AspNet.Mvc.TypedRouting": "1.2.0","AutoMapper": "5.1.1","AutoMapper.Extensions.Microsoft.DependencyInjection": "1.1.2","BundlerMinifier.Core": "2.2.306","JetBrains.Annotations": "10.2.1","libphonenumber-csharp": "7.7.4","Microsoft.AspNetCore.Authentication.Cookies": "1.1.0","Microsoft.AspNetCore.Authentication.Facebook": "1.1.0","Microsoft.AspNetCore.Authentication.Google": "1.1.0","Microsoft.AspNetCore.Authentication.MicrosoftAccount": "1.1.0","Microsoft.AspNetCore.Authentication.OpenIdConnect": "1.1.0","Microsoft.AspNetCore.Authentication.Twitter": "1.1.0","Microsoft.AspNetCore.Diagnostics": "1.1.0","Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore": "1.1.0","Microsoft.AspNetCore.Identity.EntityFrameworkCore": "1.1.0","Microsoft.AspNetCore.Mvc": "1.1.0","Microsoft.AspNetCore.Razor.Tools": "1.1.0-preview4-final","Microsoft.AspNetCore.Server.IISIntegration": "1.1.0","Microsoft.AspNetCore.Server.Kestrel": "1.1.0","Microsoft.AspNetCore.Server.Kestrel.Https": "1.1.0","Microsoft.AspNetCore.Session": "1.1.0","Microsoft.AspNetCore.StaticFiles": "1.1.0","Microsoft.EntityFrameworkCore": "1.1.0","Microsoft.EntityFrameworkCore.SqlServer": "1.1.0","Microsoft.EntityFrameworkCore.Tools": "1.1.0-preview4-final","Microsoft.Extensions.Configuration": "1.1.0","Microsoft.Extensions.Configuration.Abstractions": "1.1.0","Microsoft.Extensions.Configuration.CommandLine": "1.1.0","Microsoft.Extensions.Configuration.EnvironmentVariables": "1.1.0","Microsoft.Extensions.Configuration.Json": "1.1.0","Microsoft.Extensions.Configuration.UserSecrets": "1.1.0","Microsoft.Extensions.Logging": "1.1.0","Microsoft.Extensions.Logging.Console": "1.1.0","Microsoft.Extensions.Logging.Debug": "1.1.0","Microsoft.Extensions.Options.ConfigurationExtensions": "1.1.0","Microsoft.VisualStudio.Web.BrowserLink.Loader": "14.1.0","Microsoft.VisualStudio.Web.CodeGenerators.Mvc": "1.1.0-preview4-final","MotleyFlash": "0.3.0","MotleyFlash.AspNetCore.MessageProviders": "0.2.0","MotleyFlash.AspNetCore.ViewHelpers": "0.2.0","SendGrid.NetCore": "1.0.0-rtm-00002","System.Interactive.Async": "3.1.0","Twilio": "4.7.2"
},"frameworks": {
    "net462": {
        "dependencies": {
            "TaxiGun.Server.IdentityServer.Data": {
                "target": "project"
            },"TaxiGun.Server.Services": {
                "target": "project"
            }
        }
    }
},

当我查看构建输出文件夹时,我可以看到除“Microsoft.EntityFrameworkCore.SqlServer”之外的所有库中的正确版本：

我认为这是导致问题的原因.但我只是想不通为什么版本错了？是因为nuget包里面有错误的版本吗？