1. Optimized trail camera M15 functions: a. Data plan payment supports credit/debit cards. b. Add the one-tap capture function (under real-time mode) 2. Optimized device firmware upgrade process: a. Add release notes of new version ( available on the next new firmware) b. Add upgrade notification when important new versions are detected. 3. Add a shortcut key back to homepage when adding new devices 4. Fixed the bug of being unable to exit the local album interface