Version 3.0 update: 1. Add experimental functions such as automatic subscription update, automatic speed measurement after node connection, rapid node switching in the notification bar, subscription group display, etc. 2. Add the function of repairing and testing the true connection of all nodes 3. Optimize subscription function 4. Add free node channels
Version 3.0 update: 1. Add experimental functions such as automatic subscription update, automatic speed measurement after node connection, rapid node switching in the notification bar, subscription group display, etc. 2. Add the function of repairing and testing the true connection of all nodes 3. Optimize subscription function 4. Add free node channels