Message in Chinese (Simplified) (中文(简体))![](/img/flags/zh-chs.png)
状态对象只能具有 null 和字符串字段。
Unlocalized message![](/img/flags/en.png)
The state object can only have null and string fields.
Search by Google状态对象只能具有 null 和字符串字段。
The state object can only have null and string fields.
Search by Google