关闭客户端再次打开它。

Simply close the client and open it again.

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再次打开它，折叠和新闻中心都将边缘，然后折沿折痕它的第一个。

Open it up again, fold and press both edges into the center and then fold it along the first crease.

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如果是临时设置类路径，那么每次打开新的命令窗口时，都需要再次设置它。

If you set the class path temporarily, each time you open a new command window you need to set it again.

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