Upon detecting any equipment error and fault, the platform will dispatch orders quickly, and provide after-sales solutions intelligently, in order to improve after-sales service efficiency. Based on the development of charging operation & management platform, Xiangqian Kuaixiu APP can be an efficient tool for field after-sales engineers, to realize paperless and online troubleshooting, track problems and realize remote safety patrol inspection of station; meanwhile, the APP supports self-created work orders, statistics of monthly order processing, in order to provide important basis for the performance evaluation of operation, maintenance and management;