selenium.common.exceptions.WebDriverException: Message: An unknown server-side error occurred while processing the command. Original error: Could not proxy command to the remote server. Original error: socket hang up Stacktrace: UnknownError: An unknown server-side error occurred while processing the command. Original error: Could not proxy command to the remote server. Original error: socket hang up at UIA2Proxy.command (D:\tools\Appium\resources\app\node_modules\appium\node_modules\appium-base-driver\lib\jsonwp-proxy\proxy.js:274:13) at runMicrotasks (<anonymous>) at processTicksAndRejections (internal/process/task_queues.js:97:5) at AndroidUiautomator2Driver.commands.getDevicePixelRatio (D:\tools\Appium\resources\app\node_modules\appium\node_modules\appium-uiautomator2-driver\lib\commands\viewport.js:14:10) at AndroidUiautomator2Driver.fillDeviceDetails (D:\tools\Appium\resources\app\node_modules\appium\node_modules\appium-uiautomator2-driver\lib\driver.js:244:28) at AndroidUiautomator2Driver.createSession (D:\tools\Appium\resources\app\node_modules\appium\node_modules\appium-uiautomator2-driver\lib\driver.js:230:7) at AppiumDriver.createSession (D:\tools\Appium\resources\app\node_modules\appium\lib\appium.js:387:35)

这个错误是由Selenium在处理命令时遇到了一个未知的服务器端错误引起的。具体的错误信息是"socket hang up"，意味着与远程服务器的连接中断了。这可能是由于网络问题或者服务器端的故障引起的。你可以尝试重新运行命令，或者检查网络连接和服务器状态来解决这个问题。如果问题仍然存在，你可以尝试更新或重新安装Appium和Selenium来解决可能的软件问题。另外，你也可以查看Appium和Selenium的日志文件以获取更多的错误信息，帮助你定位问题所在。