Step Timeout Error when i REPLY the VUGEN LIKE "TOKEN URL "

I have execute my Vugen script meanwhile particular Url has taken more time finally script is Fail , Error Displayed"Step download Timeout Error.

But i had increase the Step download time is "9999" in Run time setting . 

Url link like: 

web_url("connect", 
        "URL=http://aktrea.com/superman/signalr/connect?transport=foreverFrame&clientProtocol=1.5&connectionToken=t20I2x%2Fo%2FwpKdltEbXmVYWaMr6o4HAh9lHSbn2d6DjL7ns3AbDzqWNw90%2FM%2FOzgg74jcakNmGZ6DlDULIrI5727egEL1MEvgYANvJq87o6NxoL%2Fqz7FERNYCWAzati4c&connectionData=%5B%7B%22name%22%3A%22challengehub%22%7D%2C%7B%22name%22%3A%22chathub%22%7D%5D&tid=0&frameId=1", 
        "Resource=0", 
        "RecContentType=text/html", 
        "Referer=http://aktrea.com/superman/challenge/challenge/QuizChallenge?gameid=Hfzdwa8jWcvM0wgwwuPKNi91QabbFLKFDB8j_4dWJUI1", 
        "Snapshot=t119.inf", 
        "Mode=HTTP", 
        LAST);

please tell me the Solution.