At about 7:00 pm, he hadn't seen his mother coming back home yet, so he requested his relatives and friends to search his mother around his home and the Haidian Island, but it did not work.
等到晚上19时许，见母亲迟迟未归，于是发动亲戚朋友在家的周边和海甸岛一带寻找，仍无踪迹。