环境描述：
chrome 77
macOS 10
chromedriver 77.0.3865.40
selenium-java 3.141.59
jdk 1.8

chromeDriver 初始化：

HashMap<String, Object> chromePrefs = new HashMap<String, Object>();
chromePrefs.put("download.prompt_for_download", false);
chromePrefs.put("download.default_directory", System.getProperty("user.dir"));
chromePrefs.put("download.directory_upgrade", true);
chromePrefs.put("safebrowsing.enabled", false);
chromePrefs.put("safebrowsing.disable_download_protection", true);
ChromeOptions profile = new ChromeOptions();
profile.setExperimentalOption("prefs", chromePrefs);
WebDriver driver = new ChromeDriver(profile);

点击下载按钮后，文件并没有下载下来