refactor: 优化SEO标题和描述配置

components/seo-head/index.vue

@@ -16,9 +16,9 @@
   })
 
   useHead({
-    title: `${props.title}`,
+    title: `${props.title} - 图夕夕`,
     meta: [
-      { name: 'description', content: props.description },
+      { name: 'description', content: `${props.description}`},
       { name: 'keywords', content: props.keywords },
     ],
   })