add debugger

src/components/bargainMiddlePage/barcode/index.js

@@ -26,6 +26,7 @@ class FollowBarcode extends Component {
           const _this = this;
           return new Promise(resolve => {
             QRCode.toDataURL(data.url, {}, function (err, url) {
+              console.log(url);
               _this.setState({
                 codeUrl: url
               });