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https://www.battlenet.com.cn/support/zh/article/%E5%A6%82%E4%BD%95%E6%B7%BB%E5%8A%A0%E6%88%98%E7%BD%91%E6%89%8B%E6%9C%BA%E5%AE%89%E5%85%A8%E4%BB%A4