From 325aa3302bcc456ca4578e4059f539577b88a708 Mon Sep 17 00:00:00 2001
From: fuzhongyun <15339891972@163.com>
Date: Wed, 31 Dec 2025 08:57:05 +0800
Subject: [PATCH] =?UTF-8?q?fix=EF=BC=9A=E8=BE=B9=E6=A1=86=E9=9A=8F?=
 =?UTF-8?q?=E5=80=8D=E6=95=B0=E5=A2=9E=E5=8A=A0?=
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---
 core/renderer.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/renderer.py b/core/renderer.py
index 4948e4c..2bbca5c 100644
--- a/core/renderer.py
+++ b/core/renderer.py
@@ -164,7 +164,9 @@ class ExcelRenderer:
         bg_color = self._parse_color(fill_color, default=(255, 255, 255))
         
         # Draw background and border
-        draw.rectangle([x1, y1, x2, y2], fill=bg_color, outline=(200, 200, 200))
+        # Scale border width: at least 1px, roughly 1px per scale unit but kept thin for aesthetics
+        border_width = max(1, scale) 
+        draw.rectangle([x1, y1, x2, y2], fill=bg_color, outline=(200, 200, 200), width=border_width)
 
         # Content
         cell_value = cell.value