Cloud flash is reliable. China Unionpay Quick Pass is a self-developed SMS sending platform. The core function of the project is to send all kinds of messages with a unified interface, which can track the whole life cycle of messages and make the project meaningful. The company needs to send a message. There should be a similar project in China Unionpay Quick Pass to send and process all kinds of messages in a unified way. This is conducive to the collection of functions and improves the efficiency of business requirements development. The project supports regular SMS, WeChat, nailing and other message sending functions.