编辑以下短文，将其中的语法错误和拼写错误更正，并且将句子和段落规整和清晰化。


下面是一段有语法和拼写错误的短文，进行修改：
“i have a brotehr and he likes to play videogames alot. he is smart but somtimes forgets to do his homework. My mom says he needs to be more responsible so she makes him do the dishes and clean the bathroom.”
下面是经过修改后的短文：

我有一个兄弟，他非常喜欢玩电子游戏。他很聪明但是有时候会忘记写作业。我妈妈说他需要更加负责，所以她让他洗碗和清洁浴室。