update rlschool version

[WorldEditors]

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
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[bld2013]

这是来自QQ邮箱的自动回复邮件。   您好，我已收到您的邮件，灰常感谢！