public static Object defaultValueOfType(String type){
        type = parseType(type);
        if(StringUtils.isBlank(type)){
            throw new InvalidParameterException("empty param type");
        }
        if("String".equals(type)){
            return "\"\"";
        }else if("int".equals(type)){
            return 0;
        }else if("long".equals(type)){
            return 0L;
        }else if("boolean".equals(type)){
            return false;
        }else if("double".equals(type)){
            return 0.0;
        }else {
            return null;
        }
    }