官方Demo 环境中，添加了一个TinyTreeMenu，保持默认属性不修改，预览时无法显示

[wangyjx]

使用的是最新的 Edge 浏览器，
默认属性也包含了几条静态导航数据，也不应该是空的。

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Title: In the official Demo environment, a TinyTreeMenu is added, the default properties are kept unchanged, and cannot be displayed during preview.

Using the latest Edge browser,
The default attribute also contains several pieces of static navigation data and should not be empty.

[wangyjx]

设计界面：

页面预览：