How to deal with the bad attitude of security guards when they enter the door?

If we can communicate with each other, I think it is a wonderful thing, just because the security guards have a bad attitude when they enter the door. If you can put yourself in your shoes, why does the security guard face you like this? He may have just met something angry or something. If you can put yourself in each other's shoes, you will communicate more and treat them calmly.