The display problem of Chinese special characters "□".

[liuyong888]

windows10;
laravel 8.6;
apache: 2.4;
php7.4;
barryvdh/laravel-snappy v0.4.8;
knplabs/knp-snappy v1.0;

1. HTML display:
   The character "□" is the same height as the title.
   

2. generated PDF:
   The character "□" appears differently in the generated PDF than in the HTML page.(I need the character "□" is the same height as the title.)
   

my code:

help
@akerouanton

[stale]

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