打开xshell，提示评估已过期。对于这种问题，无需卸载当前版本 直接通过安装学生版就可以了，下载地址： https://www.netsarang.com/zh/free-for-home-school/
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This link will expire on February 05, 2020
Dear user,
Thank you for your interest in Xshell 6. If you did not request a download link for Xshell 6, please contact our support team at support@netsarang.com to have your email address removed from any future emails related to Xshell 6.
Please click the link below to start downloading your software:
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This link will expire on February 05, 2020