1, the micro signal was reported and degraded invisibly, so the friend adding function was blocked. You can open the WeChat service message box in WeChat, and reply to the question and wait for Tencent customer service to solve it.
2. If the profile of WeChat users contains sensitive characters or the information of friend verification application is illegal, it will be automatically blocked by the system. Please modify the configuration file or verify the content of the application message!
3, click on the phone address book, there should be that friend, and then join the blacklist. Exit to privacy and set the blacklist, add it again from here, and then restore the blacklist!
4. Address Book-WeChat Team-View Messages-Frequently Asked Questions-Remove the function restrictions, and then follow the prompts!