fix

@@ -208,7 +208,13 @@ Page(Object.assign({
           }
 
           let default_image = formatImage.image(defaultImage, 460, 400);
-          let product_qrCode = config.domains.api + `/wechat/miniapp/img-check.jpg?param=${res.data.product_skn}&originUid=${app.getUid()}&limitProductCode=${this.data.limitProductCode}`; // eslint-disable-line
+
+          let params = {
+            originUid: app.getUid(),
+            llimitProductCode: this.data.limitProductCode
+          };
+
+          let product_qrCode = config.domains.api + `/wechat/miniapp/img-check.jpg?param=${stringify(params)}&miniapp_type=4&miniQrType=11`; // eslint-disable-line
 
           let snapData = {
             product_name: res.data.productName,