public HashMap<String, Object> toParamMAP()
	{
		HashMap<String, Object> requestBody = new HashMap<String, Object>();
		
		if(name != null)
		{
			requestBody.put("name", name);
		}
		if(content != null)
		{
			requestBody.put("content", content);
		}
		if((Long)categoryId != null && categoryId > 0)
		{
			requestBody.put("category_id", categoryId);
		}
		if(notify != null)
		{
			requestBody.put("notify", notify);
		}
		
		
		return requestBody;
	}