山姆通知：要改了！

Core Insights - The company emphasizes the importance of delivery personnel's safety and is actively working with delivery platforms to enhance safety measures [1][3][7] - Recent social media posts have highlighted concerns regarding the overloading of delivery vehicles, raising questions about the safety of the delivery methods used by the company [3][5][7] Group 1: Safety Measures - The company is implementing safety measures such as cargo volume labeling, order control for delivery personnel, and optimizing vehicle-cargo matching [1] - Initiatives to use three-wheeled or four-wheeled vehicles for deliveries are being accelerated and will soon be rolled out nationwide [1] Group 2: Public Concerns - Users have reported instances of delivery vehicles being overloaded, with cargo stacked dangerously high, which poses safety risks [3][5] - The topic of switching to three-wheeled vehicles for transporting large items has gained significant attention on social media, indicating public concern over current delivery practices [7]