read-from-undefined-err

@@ -168,7 +168,7 @@ class BuyNowController {
                 use_yoho_coin: req.body.use_yoho_coin
             });
 
-            result.data.use_yoho_coin = paymentProcess.transPrice(result.data.use_yoho_coin);
+            result.data.use_yoho_coin = paymentProcess.transPrice(_.get(result, 'data.use_yoho_coin'));
             result.data.yohoCoinCompute = paymentProcess.yohoCoinCompute(result.data);
             return res.json(result.data);
         })().catch(next);