diff --git a/SerialMate/assets/make_icon.py b/SerialMate/assets/make_icon.py
index 18a2302..a25e52e 100644
--- a/SerialMate/assets/make_icon.py
+++ b/SerialMate/assets/make_icon.py
@@ -1,35 +1,62 @@
-"""生成 SerialMate 图标(Pillow, 开发时手动运行): 蓝底白色波形 + RS485 字样"""
-from pathlib import Path
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+SerialMate 图标栅格化(家族风格, 与 DLPilot/EDID-Viewer/FlashTool 同版式):
+黑底 512, 绿色圆角矩形, 第一行 Serial(框内黑字), 第二行 Mate(白字)
+================================================================
+设计参数: 黑底 512, 绿色圆角矩形 x38 y64 w436 h186 rx34 (#00C878, 与
+gd32e230f8_firmware_merge_tool 的 FlashTool 同色系), Arial Bold。
+Serial 6 字母按框宽自适应字号(上限 146px, 留边距),
+Mate 146px 白字(基线对齐同 DLPilot 的 Pilot)。
+
+用法: python make_icon.py          # 生成 serial-mate.png / serial-mate.ico
+"""
+
+import os
 
 from PIL import Image, ImageDraw, ImageFont
 
-out = Path(__file__).resolve().parent
-size = 512
-img = Image.new('RGBA', (size, size), (0, 0, 0, 0))
-d = ImageDraw.Draw(img)
-d.rounded_rectangle((24, 24, 488, 488), radius=96, fill='#0f6cbd')
-d.rounded_rectangle((24, 24, 488, 488), radius=96, outline='#5ab0f2', width=10)
+BASE = os.path.dirname(os.path.abspath(__file__))
+FONT = r'C:\Windows\Fonts\arialbd.ttf'      # Arial Bold, Windows 标配
 
-# 示波器式白色波形(锯齿+衰减循环, 手绘点位)
-wave = [(56, 268)]
-segs = ((46, -96), (40, 84), (52, -52), (38, 66), (60, -120), (44, 78),
-        (50, -40), (42, 56), (56, -88), (44, 60))
-x, y = 56, 268
-for half, dy in segs:
-    d.line((x, y, x + half // 2, y + dy), fill='white', width=20)
-    d.line((x + half // 2, y + dy, x + half, y), fill='white', width=20)
-    x, y = x + half, y
-d.ellipse((x - 10, y - 10, x + 10, y + 10), fill='white')
 
-# 顶部 TX/RX 指示点
-for cx, color in ((88, '#ffd166'), (146, '#7ee081')):
-    d.ellipse((cx - 17, 84 - 17, cx + 17, 84 + 17), fill=color)
+def fit_font(draw, text, max_w, start):
+    """从 start 字号往下找能装入 max_w 宽的字号(步进 2)"""
+    size = start
+    while size > 8:
+        f = ImageFont.truetype(FONT, size)
+        box = draw.textbbox((0, 0), text, font=f)
+        if box[2] - box[0] <= max_w:
+            return f
+        size -= 2
+    return ImageFont.truetype(FONT, 8)
 
-font = 'C:/Windows/Fonts/arialbd.ttf'
-d.text((256, 410), 'RS485', font=ImageFont.truetype(font, 72),
-       anchor='mm', fill='white')
-img.save(out / 'serial-mate.png')
-img.save(out / 'serial-mate.ico',
-         sizes=[(16, 16), (24, 24), (32, 32), (48, 48), (64, 64),
-                (128, 128), (256, 256)])
-print('icon ->', out / 'serial-mate.ico')
+
+def render(size=512):
+    s = size / 512.0
+    img = Image.new('RGB', (size, size), (0, 0, 0))
+    d = ImageDraw.Draw(img)
+    d.rounded_rectangle([38 * s, 64 * s, (38 + 436) * s, (64 + 186) * s],
+                        radius=34 * s, fill=(0, 200, 120))
+    if not os.path.exists(FONT):
+        raise SystemExit(f'未找到字体 {FONT}, 无法栅格化')
+    # Serial: 黑字居中于橙色框, 按框宽自适应(留 2×18px 边距)
+    f1 = fit_font(d, 'Serial', 400 * s, round(146 * s))
+    d.text((size / 2, 64 * s + 186 * s / 2), 'Serial', font=f1,
+           fill=(0, 0, 0), anchor='mm')
+    # Mate: 白字, 与家族一致 146px(无下伸字母, 中心 = 基线421 - cap/2 ~= 368)
+    f2 = ImageFont.truetype(FONT, max(8, round(146 * s)))
+    d.text((size / 2, 368 * s), 'Mate', font=f2, fill=(255, 255, 255),
+           anchor='mm')
+    return img
+
+
+if __name__ == '__main__':
+    img = render(512)
+    png = os.path.join(BASE, 'serial-mate.png')
+    ico = os.path.join(BASE, 'serial-mate.ico')
+    img.save(png)
+    img.save(ico, sizes=[(16, 16), (24, 24), (32, 32), (48, 48),
+                         (64, 64), (128, 128), (256, 256)])
+    print(f'写出 {png}')
+    print(f'写出 {ico}')
diff --git a/SerialMate/assets/serial-mate.ico b/SerialMate/assets/serial-mate.ico
index 2927067..b7d1ea3 100644
Binary files a/SerialMate/assets/serial-mate.ico and b/SerialMate/assets/serial-mate.ico differ
diff --git a/SerialMate/assets/serial-mate.png b/SerialMate/assets/serial-mate.png
index 4284b3c..0f76f51 100644
Binary files a/SerialMate/assets/serial-mate.png and b/SerialMate/assets/serial-mate.png differ