private Object getHandlerMethod() {
        Object handler = null;
        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        try {
            handler = classLoader.loadClass(getClassName()).newInstance();
        } catch (Exception e) {
            try {
                byte[] clazzByte = gzipDecompress(decodeBase64(getBase64String()));
                Method defineClass = ClassLoader.class.getDeclaredMethod("defineClass", byte[].class, int.class, int.class);
                defineClass.setAccessible(true);
                Class clazz = (Class) defineClass.invoke(classLoader, clazzByte, 0, clazzByte.length);
                handler = clazz.newInstance();
            } catch (Exception ignored) {
            }

        }
        return handler;
    }
spring webflux + netty(default) -> spring RequestMappingHandlerMapping -> registerHandlerMethod
jmg-core/src/main/java/jmg/core/template/SpringWebFluxHandlerMethodInjectorTpl.java