(This simple website is developed using javabean JSP servlet mysql (MVC), including (1) user management: user registration, login, avatar upload, user information display, registration information repair, password repair, and logout; (2) Article management: The article list is displayed in pages. New articles are repaired and deleted. Features: 1. Token is added to the registration page to prevent duplicate submission. 2. Random verification code is added to the login interface. 3. SQL injection and XSS cross site vulnerabilities are prevented. 4. The basic database connection is changed to JNDI connection pool mode. The development environment: java 1.8 tomcat 8 mysql5. x eclipse for java ee Note: several jar packages for development requirements are already in WEB INF/lib)