add head title

pages/index/cert/freelancer.vue

@@ -36,6 +36,14 @@ export default {
       detail: ''
     }
   },
+  head () {
+    return {
+      title: '开发者资质认证- 程序员客栈',
+      meta: [
+        { hid: 'description', name: 'description', content: 'My custom description' }
+      ]
+    }
+  },
   computed: {
     isDeath() {
       return this.detail.status === '1'