diff --git a/src/jmapNew/theme/chengdu_03/menus/menuButton.vue b/src/jmapNew/theme/chengdu_03/menus/menuButton.vue
index 88a7971fe..3b021eb83 100644
--- a/src/jmapNew/theme/chengdu_03/menus/menuButton.vue
+++ b/src/jmapNew/theme/chengdu_03/menus/menuButton.vue
@@ -345,7 +345,7 @@ export default {
                     // 判断 信号机所在区段的 左右关联区段 是否有锁闭
                     const sectionLeft = this.$store.getters['map/getDeviceByCode'](sectionModel.leftSectionCode);
                     const sectionRight = this.$store.getters['map/getDeviceByCode'](sectionModel.rightSectionCode);
-                    if (sectionLeft.routeLock || sectionRight.routeLock) {
+                    if ((sectionLeft && sectionLeft.routeLock) || (sectionRight && sectionRight.routeLock)) {
                         isArrangementRoute = true;
                     }
                 }