yùdào fāngxiàng bù quèdìng shí, qǐng dào kèfú zhōngxīn huò xúnwèn zhàntái gōngzuò rényuán遇到方向不确定时,请到客服中心或询问站台工作人员。When you are unsure of the direction, please go to the customer service center or ask the platform staff.