Slack Image Encoding error for korean

Hi, I set up dashboard subscription via Slack.

It works well, viewing chart image also.
But Korean encoding error occurs on a image of chart legend and tables' text.
If I use dashboard's text box, Chinese, Japanese, even Korean shows without problem.

At a metabase page, korean shows well but only slack alert 's image encoding is the problem.

Is there anything that I set wrong or do I need to set up additionally?

I use metabase version 0.41.5, slack version 4.25.2 .

Hi @Chomu
You are seeing this issue: - upvote by clicking :+1: on the first post

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