diff --git a/arknights_mower/fonts/SourceHanSansCN-Medium.otf b/arknights_mower/fonts/SourceHanSansCN-Medium.otf
new file mode 100644
index 000000000..630d54677
Binary files /dev/null and b/arknights_mower/fonts/SourceHanSansCN-Medium.otf differ
diff --git a/arknights_mower/fonts/SourceHanSansSC-Bold.otf b/arknights_mower/fonts/SourceHanSansSC-Bold.otf
deleted file mode 100644
index 16ecccf9f..000000000
Binary files a/arknights_mower/fonts/SourceHanSansSC-Bold.otf and /dev/null differ
diff --git a/arknights_mower/utils/character_recognize.py b/arknights_mower/utils/character_recognize.py
index 7995a6026..a4dff96b9 100644
--- a/arknights_mower/utils/character_recognize.py
+++ b/arknights_mower/utils/character_recognize.py
@@ -47,7 +47,7 @@ def agent_sift_init():
         img = Image.fromarray(img)
 
         font = ImageFont.truetype(
-            f'{__rootdir__}/fonts/SourceHanSansSC-Bold.otf', size=30, encoding='utf-8'
+            f'{__rootdir__}/fonts/SourceHanSansCN-Medium.otf', size=30, encoding='utf-8'
         )
         chars = sorted(list(set(''.join([x for x in agent_list]))))
         assert len(chars) <= (lnum - 2) * (lnum - 2)