ranchoFEDev issues

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                                            ranchoFEDev

![1711014378675](https://github.com/Tencent/tmagic-editor/assets/55220313/7363c630-85a7-420d-bdd2-3473e126fe25)

documentation

![image](https://github.com/Tencent/tmagic-editor/assets/55220313/b78e42b5-4314-45d7-ba7d-6133a5fbe979) 页面、页面片还有底下索引tab有什么作用呢？文档里面没看到有对应介绍谢谢解答