private void wrapCorsResponse(final HttpServletResponse response) {
        response.addHeader("Access-Control-Allow-Origin", "*");
        response.addHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE");
        response.addHeader("Access-Control-Allow-Headers", "Content-Type");
        response.addHeader("Access-Control-Max-Age", "1800");
    }
add cors.

@param response {@link ServletResponse}
shenyu-admin/src/main/java/org/apache/shenyu/admin/shiro/bean/StatelessAuthFilter.java