此消息框提供了一个“确定”按钮用来关闭消息框，而且此消息框是模式，即用户必须在关闭此消息框后才能继续。
The message box provides an OK button to close the message box and is modal, that is, the user must close the message box before continuing.
关闭消息时，您将看到第二个警告对话框，这次显示的是服务器端软件信息，如图2所示。
When you dismiss this message, you should see a second alert window, this time showing the server software information, as shown in Figure 2.
单击OK关闭这个消息对话框。
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