add check to make sure token does not exceed boundry
add check to make sure token does not exceed boundry

dijkstracula/libinjection,dijkstracula/libinjection,ppliu1979/libinjection,ppliu1979/libinjection,dijkstracula/libinjection,fengjian/libinjection,ppliu1979/libinjection,fengjian/libinjection,fengjian/libinjection,ppliu1979/libinjection,fengjian/libinjection,fengjian/libinjection,dijkstracula/libinjection,ppliu1979/libinjection,fengjian/libinjection,dijkstracula/libinjection,dijkstracula/libinjection,fengjian/libinjection,ppliu1979/libinjection