A multi-functional chain mini-program that integrates functions such as information feedback, questionnaires, check-in and sign-in, voting and selection, online exams, activity registration, service reservation, and group purchase payment collection. Operating environment: php7.2≥+mysql5.6 (environment configuration is the one used during debugging). For long-term operation, use the genuine system, which is continuously updated for stability and security. There are two cooperation methods for one-click update of official authorization: 1. We cover the server and domain name, providing a one-stop service. Open an account and use it directly. 2. Source code sw encryption, authorized ip+ domain name, independently deployed on your server. We will continue to iterate and update the ThinkPHP framework support. If you have no technical skills but want to operate and cooperate, you can choose a one-stop service: including server setup, installation, maintenance and update. We offer SaaS cloud services. You only need a mini-program account to set it up (if you don't have one, we can assist with registration and save 300 certification fees). We provide servers and domain names, which are directly available for use. We offer free after-sales service and free upgrades, which will not affect your use or sale (no copyright information). We look forward to cooperating with you. We undertake customized services for secondary development functions