通过mdbook serve zh-CN/打开时遇到error

通过mdbook serve zh-CN/打开时遇到报错,但不影响打开,报错信息如下:

mdbook serve zh-CN/ INFO Book building has started INFO Running the html backend ERROR Failed to deserialize output.html Caused by: unknown field editor, expected one of editable, copyable, copy-js, line-numbers, runnable in playpen

INFO HTML book written to D:\Project\try_rust\rust-by-practice\zh-CN/book ERROR Failed to deserialize output.html Caused by: unknown field editor, expected one of editable, copyable, copy-js, line-numbers, runnable in playpen

INFO Serving on: http://localhost:3000 INFO Watching for changes... ERROR Failed to deserialize output.html Caused by: unknown field editor, expected one of editable, copyable, copy-js, line-numbers, runnable in playpen

ERROR Failed to deserialize output.html Caused by: unknown field editor, expected one of editable, copyable, copy-js, line-numbers, runnable in playpen