退出Play Mode以后InputSystem报错

[CurryPseudo]

在2018.3.11和20.18.3.14中出现相同错误

1. 打开SampleScene，点击Play
2. 退出Play
3. Unity log持续报错

NullReferenceException: Object reference not set to an instance of an object
UnityEngine.Experimental.Input.InputActionState+TriggerState.get_phase () (at Library/PackageCache/[email protected]/InputSystem/Actions/InputActionState.cs:2534)
UnityEngine.Experimental.Input.InputActionState.OnAfterUpdateProcessContinuousActions (UnityEngine.Experimental.Input.InputUpdateType updateType) (at Library/PackageCache/[email protected]/InputSystem/Actions/InputActionState.cs:788)
UnityEngine.Experimental.Input.InputManager.InvokeAfterUpdateCallback (UnityEngine.Experimental.Input.InputUpdateType updateType) (at Library/PackageCache/[email protected]/InputSystem/InputManager.cs:2839)
UnityEngine.Experimental.Input.InputManager.OnUpdate (UnityEngine.Experimental.Input.InputUpdateType updateType, UnityEngine.Experimental.Input.LowLevel.InputEventBuffer& eventBuffer) (at Library/PackageCache/[email protected]/InputSystem/InputManager.cs:2832)
UnityEngine.Experimental.Input.LowLevel.NativeInputRuntime+<>c__DisplayClass6_0.<set_onUpdate>b__0 (UnityEngineInternal.Input.NativeInputUpdateType updateType, UnityEngineInternal.Input.NativeInputEventBuffer* eventBufferPtr) (at Library/PackageCache/[email protected]/InputSystem/NativeInputRuntime.cs:115)
UnityEngineInternal.Input.NativeInputSystem.NotifyUpdate (UnityEngineInternal.Input.NativeInputUpdateType updateType, System.IntPtr eventBuffer) (at C:/buildslave/unity/build/Modules/Input/Private/Input.cs:110)

Action index out of range when updating continuous actions
UnityEngine.Experimental.Input.LowLevel.<>c__DisplayClass6_0:<set_onUpdate>b__0(NativeInputUpdateType, NativeInputEventBuffer*)
UnityEngineInternal.Input.NativeInputSystem:NotifyUpdate(NativeInputUpdateType, IntPtr) (at C:/buildslave/unity/build/Modules/Input/Private/Input.cs:110)

[SardineFish]

A preview version of InputSystem package (v0.2.2-preview) is used in project.