Merge remote-tracking branch 'remotes/origin/hotfix/coupon'

@@ -8,6 +8,7 @@ var api = global.yoho.API;
 const getPageInfo = (pageInfo) => {
     var dest = {};
 
+    if (pageInfo && pageInfo.data) {
         dest.shareTitle = pageInfo.data.shareTitle;
         dest.shareDesc = pageInfo.data.shareContent;
         dest.shareImg = pageInfo.data.shareImgUrl;
@@ -30,9 +31,8 @@ const getPageInfo = (pageInfo) => {
             dest.ended = true;
         }
         dest.message = pageInfo.data.returnMsg;
+    }
 
-    // 清空变量，释放内存
-    pageInfo = {};
     return dest;
 };