public string PackContentList()
{
// ["font",{"size":10,"color":"808080","style":[0,0,0],"name":"\u65B0\u5B8B\u4F53"}]
var json = new JArray();
foreach (var contentItem in ContentList)
{
json.Add(contentItem.ToJson());
}
return JsonConvert.SerializeObject(json);
}