公众号后台编辑图文消息时，无法添加文章、无法保存，左侧空白，怎么回事？

AI助手支持GPT4.0

When the official account is editing the text messages in the background, it is impossible to add articles, not to save, and to leave the blank. What is the matter? See the screenshot, changed two browsers (Google, 360 speed), still like this.

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