Core Viewpoint - The issue of charging for overtime storage in express delivery lockers has become a significant concern among users, leading to complaints about the convenience of these lockers being diminished [1][3]. Group 1: User Complaints - Users express frustration over express delivery personnel not notifying them before placing packages in lockers, resulting in unexpected overtime charges [3][6]. - Many users report not receiving timely notifications about package arrivals, leading to additional fees when they retrieve their items late [3][6]. - Complaints extend to both lockers and delivery stations, with users feeling that they are unfairly charged for services they did not consent to [3][6]. Group 2: Regulatory Framework - The new "Express Market Management Measures" effective from March 1, 2024, prohibits delivery companies from placing packages in lockers without user consent [3][6]. - Violations of this regulation can result in fines ranging from 10,000 to 30,000 yuan, depending on the severity of the infraction [3][6]. Group 3: Industry Practices - Despite the lack of a unified standard for overtime charges, many locker operators have implemented their own fee structures, which vary widely [7][9]. - The introduction of overtime fees has become a significant revenue source for locker operators, with some charging as little as 0.5 yuan for the first 12 hours of overtime [7][9]. - The rapid deployment of lockers in residential areas is driven by delivery companies aiming to improve efficiency and meet performance targets [6][9]. Group 4: Future Considerations - The importance of express delivery lockers as a last-mile solution is recognized, and there is a call for the establishment of industry-wide service standards and pricing regulations to enhance user satisfaction [9].