给定一篇英语语法有误的文章，请指出其中的所有语法错误，同时给出修改后的正确版本。



It was raining outside when she got home, so she decided to snuggle up in her bed with a warm cup of tea and watch their favorite movie.
原文：It was raining outside when she got home, so she decided to snuggle up in her bed with a warm cup of tea and watch their favorite movie.

错误：该句中存在代词的一致性错误。theirs应当改为her，以匹配句子中的she。

正确版本：It was raining outside when she got home, so she decided to snuggle up in her bed with a warm cup of tea and watch her favorite movie.