fix(route): 京东商品价格标题 (#9638)

* fix(route): 京东商品价格标题

* fix: add guid

lib/v2/jd/price.js

@@ -28,7 +28,8 @@ module.exports = async (ctx) => {
         link: currentUrl,
         item: [
             {
-                title,
+                guid: data.p,
+                title: data.p,
                 link: currentUrl,
                 description: art(path.join(__dirname, 'templates/description.art'), {
                     p: data.p,