Xov Xwm & Tshiab

yuam kev validating access token: Qhov kev sib kho tau invalidated vim hais tias tus neeg siv hloov lawv tus password los yog Facebook tau hloov qhov kev sib kho rau kev ruaj ntseg. Tsis muaj dab tsi los qhia ntawm no!