      
      - returns: 对应的视图控制器
      */
-    private func reflectViewController(module: String) -> UIViewController? {
+    fileprivate func reflectViewController(_ module: String) -> UIViewController? {
         guard let type = mapClass[module] else { return nil }
         
         var viewController: UIViewController? = nil

     
     - returns: 比较结果
     */
    private func judgeUrlAvailable(url: String) -> Bool {
        return url ~= regularFormat
    }
    

     
     - returns: 当前显示的视图控制器
     */
    fileprivate func currentViewController() -> UIViewController? {
        guard let rootViewController = UIApplication.shared.keyWindow?.rootViewController else { return nil }
        
        return recursionTopViewController(rootViewController)
    }
