Java Selenium无法识别新打开的窗口

大家好，我有麻烦了。我的测试单击hyperlynk，将显示一个新窗口。问题是，当我实现windows处理程序时，selenium只识别一个窗口而不是两个窗口，并且当我尝试查找窗口的元素时，我不能因为selenium而导致窗口不存在：

  driver.switchTo().frame(CQLo.getMframe());
    WebElement Rad_CIT = (new WebDriverWait(driver,10)).until(ExpectedConditions.elementToBeClickable(CQLo.getRadCIT()));
    Rad_CIT.click();
    WebElement Text_CIT = (new WebDriverWait(driver, 10)).until(ExpectedConditions.presenceOfElementLocated(CQLo.getTextCIT()));
    Text_CIT.clear();
    Text_CIT.sendKeys(citbox);
    setLog("CITBox: " +citbox);
    //WebElement Link_WFM = 
    Actions act = new Actions(driver);
    WebElement onElement = (new WebDriverWait(driver, 10)).until(ExpectedConditions.presenceOfElementLocated(CQLo.getLink_WFM_Admin()));
    act.contextClick(onElement).perform();
    act.sendKeys("o").perform();
    Set <String> wind_ows = driver.getWindowHandles();
    for(String sw : wind_ows)
    { System.out.println(""+sw.toString());}
    setLog("Open log on  " +citbox);
    Thread.sleep(2000);
    WebElement Text_UserN = (new WebDriverWait(driver, 10)).until(ExpectedConditions.presenceOfElementLocated(Elog.getUserName()));
    Text_UserN.sendKeys(MSR_name);
    WebElement Text_UserP = (new WebDriverWait(driver, 10)).until(ExpectedConditions.presenceOfElementLocated(Elog.getUserPassword()));
    Text_UserP.sendKeys(MSR_pass);
    WebElement B_logon = (new WebDriverWait(driver, 10)).until(ExpectedConditions.elementToBeClickable(Elog.getB_logon()));
    B_logon.click();

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在使用窗口打印集合后，我只收到一个窗口

请等待一段时间，然后在执行单击元素后获取窗口句柄。我想当你阅读驱动程序窗口句柄时，新窗口可能无法打开

分享一些到目前为止您尝试过的代码，我们可以帮助您