From bcb9f98f8be46b7aee5aeaa197ee5a883e20c0a4 Mon Sep 17 00:00:00 2001
From: xiaoqidun <xiaoqidun@gmail.com>
Date: Tue, 6 Oct 2026 00:04:26 +0800
Subject: [PATCH] =?UTF-8?q?fix(=E9=97=AE=E9=A2=98=E4=BF=AE=E5=A4=8D):=20?=
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---
 ofdgo_renderer_font_loader_canvas.go | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/ofdgo_renderer_font_loader_canvas.go b/ofdgo_renderer_font_loader_canvas.go
index 7cce56e..4940459 100644
--- a/ofdgo_renderer_font_loader_canvas.go
+++ b/ofdgo_renderer_font_loader_canvas.go
@@ -14,9 +14,13 @@
 
 package ofdgo
 
-import "github.com/tdewolff/canvas"
+import (
+	"fmt"
 
-// loadFont 加载字体
+	"github.com/tdewolff/canvas"
+)
+
+// loadFont 加载字体，绘图别名按数据和样式隔离，不改动原始字体名称
 // 入参: fontID 字体ID
 // 返回: *canvas.FontFamily 字体族
 func (r *Renderer) loadFont(fontID string) *canvas.FontFamily {
@@ -46,7 +50,7 @@ func (r *Renderer) loadFont(fontID string) *canvas.FontFamily {
 		r.canvasState().fontMap[fontID] = ff
 		return ff
 	}
-	ff := canvas.NewFontFamily(of.FontName)
+	ff := canvas.NewFontFamily(fmt.Sprintf("ofdgo-%x-%d", resolved.digest, fontStyle))
 	if err := ff.LoadFont(fontData, 0, fontStyle); err != nil {
 		r.renderError = err
 		return nil