popup title

src/components/blessingPreheat/index.js

@@ -329,7 +329,7 @@ class BlessingPreheat extends Component {
           margin: 1
         }).then(url => {
           Popup({
-            title: '',
+            title: '扫码关注“七月在线”服务号',
             content: <img src={url} alt="barcode" className="qr-code"/>,
             className: 'invite-popup'
           })