diff --git a/menu.js b/menu.js
index 14e3a88..e5c34af 100644
--- a/menu.js
+++ b/menu.js
@@ -181,6 +181,9 @@ export default function Menu(props) {
           if (isSearchMode && isSearchMode != stationIDPair[lineList_LineWebID[d]]) return;
           const latlng = [D.lat, D.lng];
           if (latlng.length == 0) return null;
+          if(D.StationNumber == undefined) {
+            return null;
+          }
           returnData.push([D]);
         });
       });