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1 Download the simsun.ttf (Song style) font file
2 Copy the simsun.ttf file to %JavaHome%/jre/lib/fonts
3 Execute the "ttmkfdir -o fonts.dir" command in the %JavaHome%/jre/lib/fonts directory to regenerate the fonts.dir file
Note: The system may not recognize the ttmkfdir command, you need to run yun install ttmkfdir to install ttmkfdir .