replace font

lib/ultils/recources_catch.dart

@@ -31,7 +31,7 @@ class ResourcesCache {
     if (pdfCustomFonts.containsKey(fontKey)) {
       return pdfCustomFonts[fontKey]!;
     }
-    var fontName = "DroidSansFallback.ttf";
+    const fontName = "NotoSansSC-R.ttf";
 
     Uint8List? pwFontBytes =
         cacheGet == null ? null : await cacheGet?.call(fontName);