test:force theme to be dark

Author: get1024

.vitepress/config.mts

@@ -55,7 +55,7 @@ export default defineConfig({
   title: "RyanJoy的博客",
   description: "RyanJoy的博客",
   lastUpdated: true,
-  appearance: true,
+  appearance: "dark",
 
   //站点地图
   sitemap: {