Group 1 - The core point of the article is the ongoing process of returning public bicycle cards in Zhenjiang, with nearly 40,000 cards returned, representing about 50% of the total [1] - The public is reminded to return their bicycle cards promptly to protect their rights and interests [1] - The return service point has been relocated to Room 608, Zhenjiang Smart Parking Co., Ltd., located at No. 10 Beifu Road, Runzhou District [3] Group 2 - Citizens are advised to bring their public bicycle cards and original ID cards for the return process, with free copying services available on-site [3] - For collective returns by organizations, a unit certificate is required, and individuals are encouraged to communicate with their units in advance to avoid unnecessary trips [3] - The return channel will remain open for an extended period, and a hotline is available for any inquiries [5]