fix: 添加中文字体支持，解决中文显示乱码

flomo-ai-desktop/src/main.rs

@@ -20,6 +20,39 @@ fn main() -> eframe::Result {
     eframe::run_native(
         "AI优化",
         options,
-        Box::new(|cc| Ok(Box::new(FlomoAiApp::new(cc)))),
+        Box::new(|cc| {
+            setup_fonts(&cc.egui_ctx);
+            Ok(Box::new(FlomoAiApp::new(cc)))
+        }),
     )
 }
+
+fn setup_fonts(ctx: &egui::Context) {
+    let mut fonts = egui::FontDefinitions::default();
+
+    let font_paths = [
+        "C:/Windows/Fonts/msyh.ttc",
+        "C:/Windows/Fonts/msyhbd.ttc",
+        "C:/Windows/Fonts/simsun.ttc",
+        "C:/Windows/Fonts/simhei.ttf",
+    ];
+
+    for (i, path) in font_paths.iter().enumerate() {
+        if let Ok(data) = std::fs::read(path) {
+            let name = format!("chinese_{}", i);
+            fonts.font_data.insert(name.clone(), egui::FontData::from_owned(data));
+            fonts
+                .families
+                .entry(egui::FontFamily::Proportional)
+                .or_default()
+                .push(name.clone());
+            fonts
+                .families
+                .entry(egui::FontFamily::Monospace)
+                .or_default()
+                .push(name);
+        }
+    }
+
+    ctx.set_fonts(fonts);
+}