求助，api打开报红字

luozhih300

[10:39:11 INFO  SMAPI] SMAPI 1.10 with Stardew Valley 1.2.26 on Microsoft Window
s 7 旗舰版
[10:39:11 DEBUG SMAPI] Mods go here: F:\Stardew ValleyV1.2\Mods
[10:39:11 DEBUG SMAPI] Preparing SMAPI...
[10:39:12 ERROR SMAPI] SMAPI failed to initialise: Failed loading type: System.R
untime.CompilerServices.ExtensionAttribute: System.TypeLoadException: Could not
load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'ms
corlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
   at System.ModuleHandle.ResolveType(RuntimeModule module, Int32 typeToken, Int
Ptr* typeInstArgs, Int32 typeInstCount, IntPtr* methodInstArgs, Int32 methodInst
Count, ObjectHandleOnStack type)
   at System.ModuleHandle.ResolveTypeHandleInternal(RuntimeModule module, Int32
typeToken, RuntimeTypeHandle[] typeInstantiationContext, RuntimeTypeHandle[] met
hodInstantiationContext)
   at System.Reflection.RuntimeModule.ResolveType(Int32 metadataToken, Type[] ge
nericTypeArguments, Type[] genericMethodArguments)
   at System.Reflection.CustomAttribute.FilterCustomAttributeRecord(CustomAttrib
uteRecord caRecord, MetadataImport scope, Assembly& lastAptcaOkAssembly, Runtime
Module decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilte
rType, Boolean mustBeInheritable, Object[] attributes, IList derivedAttributes,
RuntimeType& attributeType, IRuntimeMethodInfo& ctor, Boolean& ctorHasParameters
, Boolean& isVarArg)
   at System.Reflection.CustomAttribute.GetCustomAttributes(RuntimeModule decora
tedModule, Int32 decoratedMetadataToken, Int32 pcaCount, RuntimeType attributeFi
lterType, Boolean mustBeInheritable, IList derivedAttributes, Boolean isDecorate
dTargetSecurityTransparent)
   at System.Reflection.CustomAttribute.GetCustomAttributes(RuntimeAssembly asse
mbly, RuntimeType caType)
   at System.Reflection.RuntimeAssembly.GetCustomAttributes(Type attributeType,
Boolean inherit)
   at Microsoft.Xna.Framework.WindowsGameWindow.GetAssemblyTitle(Assembly assemb
ly)
   at Microsoft.Xna.Framework.WindowsGameWindow.GetDefaultTitleName()
   at Microsoft.Xna.Framework.WindowsGameWindow..ctor()
   at Microsoft.Xna.Framework.WindowsGameHost..ctor(Game game)
   at Microsoft.Xna.Framework.Game.EnsureHost()
   at Microsoft.Xna.Framework.Game..ctor()
   at StardewValley.Game1..ctor()
   at StardewModdingAPI.Framework.SGame..ctor(IMonitor monitor) in D:\source\_St
ardew\SMAPI\src\StardewModdingAPI\Framework\SGame.cs:line 179
   at StardewModdingAPI.Program.RunInteractively() in D:\source\_Stardew\SMAPI\s
rc\StardewModdingAPI\Program.cs:line 142
[10:39:12 INFO  SMAPI] Game has ended. Press any key to exit.