高德地图更新：地铁导航新增五大实用功能，覆盖51城乘车码

Group 1 - The core update of Gaode Map's subway navigation service aims to enhance commuting efficiency and comfort through the use of "spatial intelligence" technology, analyzing multiple data dimensions such as passenger flow and subway operation status [1] - The new version features a "real-time subway arrival prediction" function, allowing users to view the estimated arrival times of current and next trains, along with a detailed weekday and weekend departure schedule [1] - The "smart reminder" function alerts passengers two stops before their destination with pop-up notifications and vibrations, even when the phone is locked, to prevent overshooting their stop [1] Group 2 - The updated app integrates payment and navigation, enabling users to access the "boarding code" for gate entry while planning their subway route, currently available in 51 cities including Beijing, Shenzhen, and Chengdu [1] - The "subway station guidance" feature provides clear navigation for transfers or exits using text and images, addressing the complexities of subway station environments [1] - The update also optimizes carriage selection by indicating "cold/cool carriages," allowing passengers to choose based on their temperature preferences, covering 44 cities including Beijing, Shanghai, and Guangzhou [2] - The system provides information on the "fastest transfer carriage and door" to help passengers save walking time within the station [2]