# 如何使用用戶名/密碼驗證中的測試命令？

1\. 運行“cmd"，打開命令提示符窗口。

2\. 在代理設置中複製帶有參數的測試命令，粘貼到命令提示符窗口，並按回車。

3\. 根據處理結果可以判斷該代理參數是否可以連通。


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