Merge branch 'hotfix/price' into 'master'

修改因没有抓取到价格而引起的程序报错！

修改因没有抓取到价格而引起的程序报错！

See merge request !29

@@ -103,7 +103,7 @@ const task = async(id) => {
     const productId = detail.productId;
     const soldNum = detail.soldNum;
     const articleNumber = detail.articleNumber;
-    const price = (item.price || 0) / 100;
+    const price = (item && item.price ? item.price : 0) / 100;
     const title = detail.title;
 
     return {