Central broadcasting network Beijing (Yu Yu Yu reporter) in 2016, to share the idea of short-term rental bicycles in the country's major cities swept up, a variety of brands and a variety of styles of sharing bicycles in the streets. This new form of shared economy has greatly improved the lives of everyone. But as their popularity, various problems have been exposed, as people used magic mirror. To stop the chaos, destruction and accounting for private chaos, people travel to Tim block.