Why can't WeChat personalized signature be changed?

Wechat personalized signature because the WeChat system is under maintenance, it cannot be changed, but it can be modified after maintenance.

Wechat is a free social program launched by Tencent on 2011121,which provides instant messaging service for smart terminals.

Wechat supports fast sending of free voice messages, videos, pictures and texts across communication operators and operating system platforms.

At the same time, you can also use streaming media content such as "shake", "drift bottle", "circle of friends", "public platform" and "voice notepad" and the information of location-based social plug-ins. ?

Wechat provides public platform, friends circle, message push and other functions. Users can add friends and pay attention to public platforms by "shaking", "searching for numbers", "people nearby" and scanning QR codes.

At the same time, WeChat will share the content with friends and share the wonderful content that users see to WeChat friends circle. By the end of 20 16 and 12, the monthly active users of wechat had reached 889 million.