diff --git a/vision_agent/fonts/arial.ttf b/vision_agent/fonts/arial.ttf
deleted file mode 100644
index 1537c5b8..00000000
Binary files a/vision_agent/fonts/arial.ttf and /dev/null differ
diff --git a/vision_agent/fonts/default_font_ch_en.ttf b/vision_agent/fonts/default_font_ch_en.ttf
new file mode 100644
index 00000000..0a52b108
Binary files /dev/null and b/vision_agent/fonts/default_font_ch_en.ttf differ
diff --git a/vision_agent/image_utils.py b/vision_agent/image_utils.py
index d482056f..805acbd5 100644
--- a/vision_agent/image_utils.py
+++ b/vision_agent/image_utils.py
@@ -109,7 +109,7 @@ def overlay_bboxes(
     fontsize = max(12, int(min(width, height) / 40))
     draw = ImageDraw.Draw(image)
     font = ImageFont.truetype(
-        str(resources.files("vision_agent.fonts").joinpath("arial.ttf")), fontsize
+        str(resources.files("vision_agent.fonts").joinpath("default_font_ch_en.ttf")), fontsize
     )
     if "bboxes" not in bboxes:
         return image.convert("RGB")