QQ members are disconnected.

It may be caused by your misoperation. The following is the correct way for mobile phones to bind QQ members for your reference:

Edit the short message "QQ number, QQ password" with your mobile phone and send it to the service code:

Mobile users send it to 106 1700 15, and telecom and netcom users send it to1062170015.

Note: Shandong Netcom sent it to 10625700 15, Jilin Netcom sent it to 10628700 15, Liaoning Netcom sent it to 1066 170065438 and Chongqing Telecom. Telecom users in Qinghai, Ningxia, Gansu, Xinjiang and Tibet send it to 106 170065438. Unicom users please edit the message "BD, QQ number, QQ password" and send it to 108.

Note: Shandong Unicom sent it to 10625700, and Hubei, Guangxi, Jiangsu, Fujian, Zhejiang, Heilongjiang, Shanghai, Shaanxi, Henan, Sichuan and Guangdong Unicom sent it to 1062 1700.