路径跨平台兼容优化 - 修改相对路径，兼容Windows/Linux/Mac

config.py

@@ -123,14 +123,21 @@ DB_CONNECTION_STRING = os.getenv("DB_CONNECTION_STRING", f"sqlite:///{BASE_DIR}/
 # ============================================================
 # 优先检测系统字体，防止乱码
 SYSTEM_FONTS = [
-    str(FONTS_DIR / "SmileySans-Oblique.otf"),
+    # 项目内置字体 (跨平台通用，优先使用)
+    str(FONTS_DIR / "NotoSansSC-Regular.otf"),
     str(FONTS_DIR / "HarmonyOS-Sans-SC-Regular.ttf"),
     str(FONTS_DIR / "HarmonyOS-Sans-SC-Bold.ttf"),
-    str(FONTS_DIR / "NotoSansSC-Regular.otf"),
     str(FONTS_DIR / "NotoSansSC-Bold.otf"),
+    str(FONTS_DIR / "SmileySans-Oblique.otf"),
+    # Linux 系统字体
+    "/usr/share/fonts/truetype/droid/DroidSansFallbackFull.ttf",
+    "/usr/share/fonts/truetype/wqy/wqy-zenhei.ttc",
+    # macOS 系统字体
     "/System/Library/Fonts/PingFang.ttc",
     "/System/Library/Fonts/STHeiti Medium.ttc",
-    "/System/Library/Fonts/Supplemental/Arial Unicode.ttf",
+    # Windows 系统字体
+    "C:/Windows/Fonts/msyh.ttc",
+    "C:/Windows/Fonts/simhei.ttf",
 ]
 
 DEFAULT_FONT = str(FONTS_DIR / "NotoSansSC-Regular.otf")
@@ -141,7 +148,8 @@ def pick_font():
     for f in SYSTEM_FONTS:
         if os.path.exists(f) and os.path.getsize(f) > 1000:
             return f
-    return "/System/Library/Fonts/PingFang.ttc"
+    # 极端情况回退到 Arial (所有平台都有)
+    return "Arial"
 
 DEFAULT_FONT = pick_font()
 DEFAULT_FONT_BOLD = DEFAULT_FONT