I need some advice (please no hateful comments)

Sarah

I have a situation... Every time my mom comes over to see my 8 month old, my mom is constantly complaining to my kid.. It's really strange because it's usually about her stupid phone... I dont understand why she does this.. I do not like this and I halve confronted her about it, but she keeps on denying it. She keeps saying other crap too. I don't want my kid be talked to like that, it's so negative. What should I do? She just will not stop.