fix: 补全SEO

- 关于我们页面的SEO信息补全

app/components/pages/products/SpecTable.vue

@@ -40,6 +40,7 @@
 <style scoped>
   .spec-collapse ::v-deep(.el-collapse-item__header) {
     font-size: 1rem;
+    font-weight: 600;
     padding: 1rem;
   }
 </style>

app/pages/about/index.vue

@@ -41,6 +41,11 @@
       console.error('数据获取失败: ', value);
     }
   });
+
+  const pageTitle = computed(() => $t('page-title.about-us'));
+  useHead({
+    title: pageTitle,
+  });
 </script>
 
 <style scoped>