Sua loi khi register, bat nhap lai username neu da ton tai
Them master data cua Cuong
Merge branch 'master' of https://github.com/quan32/ITJ
Quan: tam ket thuc cac chuc nang, dich tieng nhat
Them phan ghi log cua Luc
Dich tieng nhat o 1 so file
Dich 1 so file sang tieng Nhat