1. Fixed parameter synchronization issues for certain vehicle models
2. Fixed Bluetooth connection time reset issue
3. Added low battery alert (requires 4G module support)
4. Added GPS positioning time display on map page
5. Added compatibility with more vehicle models
6. Optimized Bluetooth connection and upgrades
7. Optimized error code and annotation display
8. Optimized fault diagnosis prompts
9. Optimized fault type display
10. Optimized default values for vehicle parameters