             return requestString
         }
     }
-
-    //  Progress View
-    fileprivate static func showProgress(mode: MBProgressHUDMode = .indeterminate,
-                                         text: String = "")
+}
+
+// MARK: - Progress View
+extension RGNetwork {
+    private static func showProgress(mode: MBProgressHUDMode = .indeterminate,
+                                     text: String = "")
     {
         DispatchQueue.main.async {
             guard let window = UIApplication.shared.keyWindow else { return }

        self.reachabilityManager?.startListening()
    }

    //  MARK: Public Methods
    /// GET 请求
    ///
    /// - Parameters:

        NetworkActivityIndicatorManager.shared.completionDelay = completionDelay
    }


    // MARK: - Private Methods
    // Request
    private static func request(
        with urlString: String,
        method: HTTPMethod,
        parameters: [String: Any]?,
