public static class MyConfiguration extends AppConfigurator {
    @Override
    public void configure() {
        templatePathResolver(new TemplatePathResolver() {
            @Override
            protected String resolveTemplatePath(String path, ActContext context) {
                String resolved = super.resolveTemplatePath(path, context);
                Locale locale = context.locale(true);
                if ("zh".equals(locale.getLanguage())) {
                    resolved = "/cn" + (resolved.startsWith("/") ? "" : "/") + resolved;
                }
                return resolved;
            }
        });
    }
}