1. The newly designed user interface makes the visual experience more concise and elegant
2. Fully optimized program performance, smoother and lighter operating experience
3. Add a new contact search function, no matter how many friends
4. Add the function of unread message box, which eliminates the interruption and is more efficient
5. Add busy and custom status, the status performance is more carefree
6. Support multi-language client versions and message sending and receiving