in July 28, 2010, the six edition of the Beijing daily exposed the case of "the dead fish" on duty of "the living fish" on duty, which was followed by a follow-up investigation on the phenomenon of the fish dropped by dead fish at the Jin Yuan store. Reporters found that after exposure, nine headed birds "on duty fish" has been laid off, and many other businesses are still using live fish for fish tricks. "Lost package" seems to be a hidden rule for selling fish in restaurants.