The future trends and technological innovations of the Hailian office building parking lot system mainly include the following aspects:

1. Intelligent management: In the future, parking lot systems will tend towards intelligence, achieving intelligent management of parking lots through the Internet of Things and big data technology, including real-time monitoring of vehicle entry and exit, providing vacancy information, optimizing parking processes, etc.

2. Unmanned services: With the development of autonomous driving technology, future parking lot systems may achieve unmanned services, including unmanned parking, automatic payment, automatic license plate recognition and other functions, improving parking efficiency and user experience.

3. Energy conservation and environmental protection: In the future, parking lot systems will pay more attention to energy conservation and environmental protection, using new materials and technologies to design green parking lots, including solar charging, intelligent lighting systems, rainwater collection and utilization, etc., to reduce energy consumption and environmental pollution.

4. Electronic payment and cashless: In the future, parking lot systems will become more popular with electronic payment and cashless methods, including mobile payment, electronic identification, etc., to improve payment convenience and security.

5. Data security and privacy protection: With the increase of parking lot system data, it is necessary to strengthen data security and privacy protection in the future, and adopt encryption technology, permission management and other means to ensure user information security.

Overall, the future Hailian office building parking lot system will develop towards intelligence, unmanned operation, energy conservation and environmental protection, electronic payment, data security, and other directions, continuously improving parking lot management efficiency and user experience through the latest technological innovations.