apollo-core/src/main/java/com/ctrip/framework/foundation/internals/Utils.java/Utils/isOSWindows
class Utils:  public static boolean isOSWindows() {
    String osName = System.getProperty("os.name");
    if (Utils.isBlank(osName)) {
      return false;
    }
    return osName.startsWith("Windows");
  }