There is still a sound when the group message is set to Do Not Disturb. It is possible that there is still a sound because you set the relevant Do Not Disturb and did not shut down and restart it in the future.

WeChat is a free application that Tencent launched on October 21th, 2111 to provide instant messaging service for smart terminals. It was created by the product team of Tencent Guangzhou R&D Center led by Zhang Xiaolong.

wechat provides functions such as public platform, circle of friends, message push, etc. Users can add friends and pay attention to the public platform by "shaking", "searching for numbers", "people nearby" and scanning QR code. At the same time, wechat will share the content with friends and share the wonderful content seen by users to the circle of wechat friends.

in the closed-loop mobile internet business solution provided by wechat, the service capabilities involved include: mobile e-commerce portal, user identification, data analysis, payment and settlement, customer relationship maintenance, after-sales service and rights protection, social promotion, etc. This also indicates that WeChat will once again increase the pace of commercialization and opening up, provide connectivity for partners, and promote the mobile Internet transformation of business models of enterprise users.

by providing partners with the ability to "connect everything", wechat is forming a brand-new "smart" lifestyle. It has penetrated into the following traditional industries, such as WeChat taxi, WeChat electricity payment, WeChat shopping, WeChat medical care, WeChat hotel and so on.

provide standard solutions for dozens of industries such as medical treatment, hotels, retail, department stores, catering, ticketing, express delivery, universities, e-commerce and people's livelihood.