QByteArray ba = strAccount.toUtf8() + strPassword.toUtf8();
QByteArray bamd5 = QCryptographicHash::hash(ba, QCryptographicHash::Md5).toHex();
QByteArray ba = strAccount.toUtf8() + strPassword.toUtf8();
QByteArray bamd5 = QCryptographicHash::hash(ba, QCryptographicHash::Md5).toHex();