I don't see any save button during edition

Yes, the content is saved automatically in AJAX, so there is no need for any button to save. You'll get a green message that gives feedback on saving. You have a parameter to disable that and add a "Save" button.

编辑过程中我没有看到保存按钮。

是的，内容会通过 AJAX 自动保存，所以无需点击保存按钮。保存成功后，您会看到一条绿色提示信息。.

你可以通过设置参数来禁用该功能，并添加一个“保存”按钮。.