public void settingDefaultValue() throws AppException {
final List<Field> fields = TypeContentRefecter.getAllFields(this.clazz);
Element element = null;
for (Field field : fields) {
element = field.getAnnotation(Element.class);
if (element != null && !StringUtil.isEmpty(element.defaultValue())) {
_VALIDATOR.validate(element);
// 保存元素内容
elementValue.put(field.getName(), _FORMATTER.converObject(element.format(), element.defaultValue()));
}