1, the old version of Yixin can't log in because this version has stopped maintenance and can't communicate with the current server. You can only log in after updating to the latest version.
2. Yixin is a content social software. Products focus on topics, and the community plate precipitates high-quality content, providing an open platform for middle-aged people to express themselves and exchange views. Come to e-mail, chat, post, make friends and experience new content socialization.