1. Yu Zhong Jin 'ang's non-payment is suspected of fraud, which belongs to the jurisdiction of the public security organ and should be investigated by the public security organ.
2. It is useful to call the police for Yu Zhong Jin 'ang's non-payment behavior. Whoever defrauds public or private property in a relatively large amount shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance, and shall also, or shall only, be fined. Therefore, it is useful for Zhongyu Jin 'ang not to pay.