@Bean
    public ShenyuPlugin authPathPlugin() {
        return new CasdoorPlugin();
    }
the casdoor plugin.
@return the shenyu plugin
shenyu-spring-boot-starter/shenyu-spring-boot-starter-plugin/shenyu-spring-boot-starter-plugin-casdoor/src/main/java/org/apache/shenyu/springboot/starter/plugin/casdoor/CasdoorPluginConfiguration.java