Operational problems. According to official website's query of Longmen Escort Game, Longmen Escort Game was developed by R&D team of Huo Rong and launched on 20 19. In June, 200212002, a large number of players were lost due to the operational mistakes of the R&D team in Huo Rong. The whole June is a recharge activity. 202 1, 1 1, Shanghai R&D team announced that the game stopped operating.