diff --git a/web/src/pages/Monitor/History/Detail.tsx b/web/src/pages/Monitor/History/Detail.tsx
index 084309f1..ceea55eb 100644
--- a/web/src/pages/Monitor/History/Detail.tsx
+++ b/web/src/pages/Monitor/History/Detail.tsx
@@ -241,7 +241,7 @@ class Detail extends Component<RouteComponentProps & WrappedComponentProps> {
               </div>
               <div>
                 <span className="label">Extra：</span>
-                {data.extra}
+                {detail.extra}
               </div>
               {
                 _.map(points, (item) => {