var cdSvc = ChromeDriverService.CreateDefaultService();
cdSvc.HideCommandPromptWindow = true;
//IWebDriver driver = new ChromeDriver(System.AppDomain.CurrentDomain.BaseDirectory.ToString());
var option = new ChromeOptions();
// option.AddArgument("--incognito"); // 影身模式
//option.AddArgument("headless");//设为无头模式
option.AddArgument("disable-infobars");//去掉提示：Chrome正收到自动测试软件的控制
option.AddArguments("--proxy-server=http://192.168.0.1:1123"); 

//这种设置无效
//option.AddArguments("--proxy-server=http://117.21.178.7:12150");
option.AddArguments("lang=zh_CN.UTF-8");
option.AddExcludedArgument("enable-automation");
option.AddAdditionalCapability("useAutomationExtension", false);

//设置代理IP ip+port
string ip =192.168.0.1:1123

Proxy proxy = new Proxy();
proxy.Kind = ProxyKind.Manual;
proxy.IsAutoDetect = false;
proxy.HttpProxy = ip;
// proxy.HttpProxy =ip; //这里是http
//proxy.SslProxy = ip; //这里是ssl
option.Proxy = proxy;
option.AddArgument("ignore-certificate-errors");
driver = new ChromeDriver(cdSvc, option);