您可以编辑池以更改参数，然后重新测试，直到连接成功为止。
You can edit the pool to change parameters and retest until the connection is successful.
无论连接成功与否，都会显示一条状态消息。
A status message is displayed whether the connection was successful or not.
这是因为只要连接成功，最后的退出状态码就是零。
This is because as long as the connection is successful, the last exit status will be zero.
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