建造皇家卫队里的载具时候出现载具消失的情况，测试了别的边缘雷霆系列目前没有这个现象，只有皇家卫队载具建造好之后消失，暂时不清楚是我的mod冲突了还是1.4的bug。尝试用开发者模式测试，上帝模式一键建造皇家卫队内的载具时，点击会报错：

Failed to render Cannon="RT_GrenadeLauncherGB" for VehicleDef="RT_Daimler_Vehicle", Exception: System.NullReferenceException: Object reference not set to an instance of an object
at Vehicles.VehicleTurret.ResolveCannonGraphics (Vehicles.VehiclePawn vehicle, System.Boolean forceRegen) [0x00001] in <9d4606d55c254526a3a3046aff6cab94>:0
at Vehicles.VehicleTurret.get_CannonGraphic () [0x0000f] in <9d4606d55c254526a3a3046aff6cab94>:0
at Vehicles.VehicleTurret.TurretDrawLocFor (SmashTools.Rot8 rot, System.Boolean fullLoc) [0x00048] in <9d4606d55c254526a3a3046aff6cab94>:0
at Vehicles.VehicleGhostUtility.DrawGhostTurretTextures (Vehicles.VehicleDef vehicleDef, UnityEngine.Vector3 loc, SmashTools.Rot8 rot, UnityEngine.Color ghostColor) [0x00084] in <9d4606d55c254526a3a3046aff6cab94>:0
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) Verse.Log:Verse.Log.Error_Patch5 (string)
Vehicles.VehicleGhostUtility:DrawGhostTurretTextures (Vehicles.VehicleDef,UnityEngine.Vector3,SmashTools.Rot8,UnityEngine.Color)
Vehicles.Rendering:DrawGhostVehicle (Verse.IntVec3,SmashTools.Rot8,Verse.ThingDef,Verse.Graphic,UnityEngine.Color,Verse.AltitudeLayer,Verse.Thing)
(wrapper dynamic-method) Verse.GhostDrawer:Verse.GhostDrawer.DrawGhostThing_Patch3 (Verse.IntVec3,Verse.Rot4,Verse.ThingDef,Verse.Graphic,UnityEngine.Color,Verse.AltitudeLayer,Verse.Thing,bool,Verse.ThingDef)
RimWorld.Designator_Place:DrawGhost (UnityEngine.Color)
RimWorld.Designator_Place:SelectedUpdate ()
(wrapper dynamic-method) RimWorld.Designator_Build:RimWorld.Designator_Build.SelectedUpdate_Patch1 (RimWorld.Designator_Build)
(wrapper dynamic-method) Verse.DesignatorManager:Verse.DesignatorManager.DesignatorManagerUpdate_Patch1 (Verse.DesignatorManager)
(wrapper dynamic-method) RimWorld.MapInterface:RimWorld.MapInterface.MapInterfaceUpdate_Patch1 (RimWorld.MapInterface)
RimWorld.UIRoot_Play:UIRootUpdate ()
(wrapper dynamic-method) Verse.Root:Verse.Root.Update_Patch2 (Verse.Root)
Verse.Root_Play:Update ()
烦请作者大大百忙之中指点，不胜感激