P粉7482188462023-09-06 09:17:50
--header-html
The above are valid parameters for wkhtmltopdf, but it thinks you have already entered:
--header-htmlà
Without additional information it's hard to know why this is happening, but I suspect you are copy-pasting the command.
Try typing in full instead of copy-pasting, the source application or terminal you are using may not display or understand the extended character set correctly, causing unexpected behavior.