These calculation and discussion imply that the high density quantum states near the event horizon are strongly correlated with the quantum states in black hole and the ultraviolet cut-off in the brick-wall model is not reasonable.

• 计算和讨论表明:黑洞事件视界外部附近的高密度量子态与黑洞内部有强关联；brick-wall模型中的紫外截断是不合理的.