修改弹框bug

@@ -358,7 +358,7 @@ Page(Object.assign({
           show: true,
           snapData,
           notice: JSON.parse(product.notice || '{}'),
-          lottery: JSON.parse(product.lottery_info || {})
+          lottery: JSON.parse(product.lottery_info || '{}')
         });
 
         this._setActionStatus();