耒大帮帮忙看看这是什么地方有问题

七酷

V21的，修改了蛮多地方，翻查了common不止一遍了，找不到问题所在。



==================== Message ====================
索引超出范围。必须为非负值并小于集合大小。
参数名: index
=================== StackTrace ==================
   在 System.ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument argument, ExceptionResource resource)
   在 System.ThrowHelper.ThrowArgumentOutOfRangeException()
   在 System.Collections.Generic.List`1.get_Item(Int32 index)
   在 WorldOfTheThreeKingdoms.GameScreens.MainGameScreen.TroopChaos(Troop troop, Boolean deepChaos)
   在 GameObjects.TroopList.troop_OnChaos(Troop troop, Boolean deepChaos)
   在 GameObjects.Troop.SetChaos(Int32 days)
   在 GameObjects.Troop.ApplyStratagemEffect()
   在 GameObjects.Troop.SetNotShowing()
   在 WorldOfTheThreeKingdoms.GameScreens.ScreenLayers.TroopLayer.Draw(SpriteBatch spriteBatch, Point viewportSize, GameTime gameTime)
   在 WorldOfTheThreeKingdoms.GameScreens.MainGameScreen.Drawing(GameTime gameTime)
   在 WorldOfTheThreeKingdoms.GameScreens.MainGameScreen.Draw(GameTime gameTime)
   在 Microsoft.Xna.Framework.Game.Draw(GameTime gameTime)
   在 WorldOfTheThreeKingdoms.MainGame.Draw(GameTime gameTime)
   在 Microsoft.Xna.Framework.Game.DrawFrame()
   在 Microsoft.Xna.Framework.Game.Tick()
   在 Microsoft.Xna.Framework.Game.HostIdle(Object sender, EventArgs e)
   在 Microsoft.Xna.Framework.GameHost.OnIdle()
   在 Microsoft.Xna.Framework.WindowsGameHost.ApplicationIdle(Object sender, EventArgs e)
   在 System.Windows.Forms.Application.ThreadContext.System.Windows.Forms.UnsafeNativeMethods.IMsoComponent.FDoIdle(Int32 grfidlef)
   在 System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)
   在 System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   在 System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   在 System.Windows.Forms.Application.Run(Form mainForm)
   在 Microsoft.Xna.Framework.WindowsGameHost.Run()
   在 Microsoft.Xna.Framework.Game.Run()
   在 WorldOfTheThreeKingdoms.GameProcesses.MainProcessManager.Processing()
   在 WorldOfTheThreeKingdoms.Program.Main(String[] args)

七酷

游戏可以运行蛮长时间，但是跳出就是这个问题。

七酷

==================== Message ====================
索引超出范围。必须为非负值并小于集合大小。
参数名: index
=================== StackTrace ==================
   在 System.ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument argument, ExceptionResource resource)
   在 System.ThrowHelper.ThrowArgumentOutOfRangeException()
   在 System.Collections.Generic.List`1.get_Item(Int32 index)
   在 WorldOfTheThreeKingdoms.GameScreens.MainGameScreen.TroopChaos(Troop troop, Boolean deepChaos)
   在 GameObjects.TroopList.troop_OnChaos(Troop troop, Boolean deepChaos)
   在 GameObjects.Troop.SetChaos(Int32 days)
   在 GameObjects.Troop.HandleTroopDamage(TroopDamage damage)
   在 GameObjects.Troop.ApplyDamageList()
   在 GameObjects.Troop.SetNotShowing()
   在 WorldOfTheThreeKingdoms.GameScreens.ScreenLayers.TroopLayer.Draw(SpriteBatch spriteBatch, Point viewportSize, GameTime gameTime)
   在 WorldOfTheThreeKingdoms.GameScreens.MainGameScreen.Drawing(GameTime gameTime)
   在 WorldOfTheThreeKingdoms.GameScreens.MainGameScreen.Draw(GameTime gameTime)
   在 Microsoft.Xna.Framework.Game.Draw(GameTime gameTime)
   在 WorldOfTheThreeKingdoms.MainGame.Draw(GameTime gameTime)
   在 Microsoft.Xna.Framework.Game.DrawFrame()
   在 Microsoft.Xna.Framework.Game.Tick()
   在 Microsoft.Xna.Framework.Game.HostIdle(Object sender, EventArgs e)
   在 Microsoft.Xna.Framework.GameHost.OnIdle()
   在 Microsoft.Xna.Framework.WindowsGameHost.ApplicationIdle(Object sender, EventArgs e)
   在 System.Windows.Forms.Application.ThreadContext.System.Windows.Forms.UnsafeNativeMethods.IMsoComponent.FDoIdle(Int32 grfidlef)
   在 System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)
   在 System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   在 System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   在 System.Windows.Forms.Application.Run(Form mainForm)
   在 Microsoft.Xna.Framework.WindowsGameHost.Run()
   在 Microsoft.Xna.Framework.Game.Run()
   在 WorldOfTheThreeKingdoms.GameProcesses.MainProcessManager.Processing()
   在 WorldOfTheThreeKingdoms.Program.Main(String[] args)