求翻译：我妈妈已经联系那边，今天下午没有绘画课，只要你有时间，就可以使用，哈哈；那我让她通知其他小朋友今天下午上课。是什么意思？

My mother had contact over there, no painting lessons in the afternoon today, as long as you have time, you can use, HA HA; that I let this afternoon, she informed the other kids from school.