一 | 高德地图向我发放了一张有效期为2026‑08‑15、满15元减4元的充电优惠券。 (ECNS) -- An AI-powered “flying life ring” capable of autonomously reaching people in the water, keeping them afloat and returning to shore was demonstrated Aug. 6 at Xianghu Lake in Hangzhou, Zhejiang Province. Chinese Foreign Ministry spokesperson Lin Jian recently shared footage of the device on social media, calling it technology that could help save lives. During the drill, the orange ring flew from shore to a person in the water, shut down its propellers after landing, provided buoyancy, then took off again and returned to its starting point. Developed by Hangzhou police, the device uses autonomous navigation. Other equipment demonstrated included drones that can drop inflatable life rings and an unmanned rescue boat that works with a drone to locate and bring people back to shore. Hangzhou police said the technologies are intended to shorten critical response times in water emergencies. (By Intern Yang Hongran, Zhang Dongfang) 
。为使用该限时引流优惠券，我特意安排时间前往充电桩充电。充电过程中，充电桩金额到14.98元时自动跳表停止计费，距离满减门槛仅差0.02元，直接导致该优惠券无法核销使用，该情况并非本人操作失误导致。
事后我多次向高德地图客服反馈此问题，但平...。
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