Smart head did not use the legal place, recently Guangdong Dongguan a vegetable market vendor found that after selling vegetables, customers also paid through the WeChat two-dimensional code, is not able to receive money, feel very incredible, careful observation after finding that this two-dimensional code has a problem, the original was dropped, quickly alarmed. After inquiry, there were originally 2 people Zheng and Wen who printed 1500 two-dimensional codes for collection, and went to the vegetable market in the early morning to replace the two-dimensional code of the vendors, and posted more than 100 copies in 2 hours. The "after bed" income of 2 people a night exceeds 3,000 yuan. At present, the suspect has been detained in accordance with the law, and the case is being handled.