Merge branch 'feature/refundApply' into release/5.5

@@ -45,7 +45,7 @@ $btnSure.on('click', function() {
             }
             location.href = document.referrer;
         } else {
-            tip.show('系统错误，请重试！');
+            tip.show((result && result.message) || '系统错误，请重试！');
         }
     });
 });