Strictly speaking, there is no infringement. So don't be particularly worried. If you ask this question, you may be near him, so you should be more careful and it is better to register a trademark yourself. At the same time, "Lu Ji" has been applied for as a trademark by someone else, so you have to be careful with this trademark holder. He will be sure to sue you, even if he is unwilling to sue you. If you just look at the Industrial and Commercial Bureau, your sign will definitely need to be removed. Below is a screenshot of the holder’s trademark.