Source Code Introduction: Operation-level V visa-free personal collection system, appreciation code gift, Easy Payment source code with tutorial, Mobile APP monitoring callback, fully open source, can be integrated with wechat payment and group joining, widely used. The advantage of using the appreciation code for payment is that customers can directly press and pay in wechat, eliminating the trouble of taking screenshots for payment and avoiding customer loss. Moreover, there is no need to worry about the account being frozen due to excessive payments made in different locations. The APP is used to monitor payment notifications, eliminating the need to worry about unstable factors such as cloud remote locations and disconnections. It truly achieves stability and is one of the most stable payment methods for personal wechat at present. Demonstration The source code of the http://121.41.49.226/ V signature-free payment system is based on Thinkphp5.1. A set of signature-free payment programs ensures that the funds are credited instantly without the need to enter a third-party account, making the payment process safer. It also provides sample code for simple access and an ultra-simple Api for use. It provides a unified Api to implement collection callback, is free and open source, and has no backdoor risk. It supports listening to the collection information of store staff, and can be used with Alipay or wechat secondary accounts/emulators for hanging up, which is convenient for IOS users. It does not require root, xp framework, or modification of the Alipay/wechat client. The principle of anti-blocking for greater security: Users scan the code to make payment -> After receiving the payment, there will be a reminder in the mobile phone notification bar -> The V-free signature monitoring terminal detects the reminder and pushes it to the server -> The server determines which order it is based on the amount. The operating environment for the free signature is PHP version >=5.6.