Yes, it's easy to change clothes when you get off. According to Baidu map:

1. Shapi changing room is located at Room 505, Floor 5, Building 5, wanda plaza, No.93 Jianguo Road, Chaoyang District, Beijing. This is a tailor's shop.

2. Easy-to-change eTailor is located at the copy side door of Evergrande, Room 302, Block A, Youshige, No.8 Guangqumenwai Street, Chaoyang District, Beijing. This is a tailor's shop.