       
                            &nbsp;&nbsp; <a href="">HTTPDownloadError</a> = 2002,<br>
                            
                            &nbsp;&nbsp; <a href="">StartServerError</a> = 3001,<br>
                            
                            &nbsp;&nbsp; <a href="">InvalidRequestError</a> = 3002,<br>
                            
                            &nbsp;&nbsp; <a href="">UnknowHTTPMethodError</a> = 3003,<br>
                            
                            };</code>
 