Group 1 - A popular restaurant in Shanghai, "Sanbai Bei," faced issues with appointment numbers being resold, leading to consumer frustration and a challenging dining experience [1][2] - The local police took action by collaborating with online platforms to implement a dual strategy of "offline rectification + online investigation," resulting in the arrest of three individuals involved in the illegal resale of appointment numbers [1][2] - The arrested individuals exploited the restaurant's membership system to accumulate appointment numbers and resell them at inflated prices, significantly impacting ordinary consumers [1][2] Group 2 - The police have enforced administrative penalties on the three individuals involved in the illegal activities [2] - A proactive approach was taken by the police, which included increased patrols and communication with local dining establishments to gather leads on the resale of appointment numbers [2] - Recommendations were made to the restaurant to enhance its membership system, including dynamic verification of membership qualifications and limitations on the number of appointments per individual [2][3]