apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java/ConfigUtil/isOSWindows
class ConfigUtil:  public boolean isOSWindows() {
    String osName = System.getProperty("os.name");
    if (Strings.isNullOrEmpty(osName)) {
      return false;
    }
    return osName.startsWith("Windows");
  }