Surname - Luk

I notice that the hanyu pinyu of surnamae Luk is 陸Liu4.
According the dictionary, 陸 is Lu as well Liu4.
Lu is listed as a surname.
Liu4 is listed as six, usually use for writing cheque amount in the alphabet.
I think the translation is a software problem.
I hope that it is not an old discussion. If it is, tell me and the topic will be terminated
According the dictionary, 陸 is Lu as well Liu4.
Lu is listed as a surname.
Liu4 is listed as six, usually use for writing cheque amount in the alphabet.
I think the translation is a software problem.
I hope that it is not an old discussion. If it is, tell me and the topic will be terminated