The author found a mistake in his published article that somehow crept in after the author corrected proofs.

中文翻译：

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更正：评论“Bidirectional Quantum Teleportation of Two-Qubit State Via Four-Qubit Cluster State”

作者在他发表的文章中发现了一个错误，该错误在作者更正证明后不知何故出现了。