xLua支持内部类吗？ about xlua HOT 5 CLOSED

LuaException: exception in xlua.access: System.NullReferenceException: Object reference not set to an instance of an object
  at XLua.StaticLuaCallbacks.XLuaAccess (IntPtr L) [0x00001] in C:\Users\Seven\Downloads\xLua-master\xLua\Assets\XLua\Src\Utils.cs:419 
stack traceback:
	[C]: in field 'access'
	[string "Init"]:86: in field 'hotfix'
	[string "chunk"]:2: in main chunk
XLua.LuaEnv.ThrowExceptionFromError (Int32 oldTop)
XLua.LuaEnv.DoString (System.String chunk, System.String chunkName, XLua.LuaTable env) (at Assets/XLua/Src/MethodWarpsCache.cs:254)
TestForXLuaHotfix.OnGUI () (at Assets/Scripts/TestForXLuaHotfix.cs:24)

public class TestForXLuaHotfix : MonoBehaviour {
    LuaEnv luaEnv = new LuaEnv();

    void OnGUI()
    {
        //['TestOutterClass+TestInnerClass']
        if(GUI.Button(new Rect(10, 100, 300, 150), "Hotfix"))
        {
            luaEnv.DoString(@"
                    xlua.hotfix(CS['TestOutterClass+TestInnerClass'], 'Update', function(self)
                        self.tick = self.tick + 1
                        if(self.tick % 50) == 0 then
                            print('<<<<<<<< update in lua, tick = ' .. self.tick)
                        end
                    end)
                ");
        }
    }
}

[Hotfix]
public class TestOutterClass : MonoBehaviour {
    TestInnerClass innerC = new TestInnerClass();

    void Update () {
        innerC.Update();
    }

    [Hotfix]
    public class TestInnerClass
    {
        public int tick = 1;

        public void Update()
        {
            if (++tick % 50 == 0)
            {
                Debug.Log("Update tick : " + tick);
            }
        }
    }
}

LuaException: xlua.access, no field __Hitfix0_Update
stack traceback:
	[C]: in field 'access'
	[string "Init"]:86: in field 'hotfix'
	[string "chunk"]:2: in main chunk
XLua.LuaEnv.ThrowExceptionFromError (Int32 oldTop) (at Assets/XLua/Src/LuaEnv.cs:360)
XLua.LuaEnv.DoString (System.String chunk, System.String chunkName, XLua.LuaTable env) (at Assets/XLua/Src/LuaEnv.cs:212)
TestForHotfix.OnGUI () (at Assets/Scripts/TestForHotfix.cs:23)