diff --git a/src/views/newMap/displayNew/demonMenu.vue b/src/views/newMap/displayNew/demonMenu.vue
index aec4f97e1..6e7094e92 100644
--- a/src/views/newMap/displayNew/demonMenu.vue
+++ b/src/views/newMap/displayNew/demonMenu.vue
@@ -26,7 +26,7 @@
         <!-- <el-button v-if="isContest" size="small" @click=" fieldExam">实操测验</el-button> -->
         <el-button v-if="isContest" size="small" @click="goTheoryQuiz">理论考试</el-button>
         <el-button v-if="isContest" size="small" @click="contectUs">联系方式</el-button>
-        <el-button size="small" @click="messageBoardShow">留言板</el-button>
+        <el-button v-if="isContest" size="small" @click="messageBoardShow">留言板</el-button>
         <template v-if="project === 'bjd'">
           <el-button v-if="running" size="small" @click="viewRunPlan">{{ $t('joinTraining.runGraphPreview') }}</el-button>
           <el-button v-if="!running" size="small" type="warning" @click="loadRunPlan">{{ $t('joinTraining.runGraphLoading') }}</el-button><!-- 运行图加载 -->
@@ -223,18 +223,18 @@ export default {
             });
             window.open(routeData.href, '_blank', 'noopener noreferrer');
         },
-        jumpjl3dtraffictrain(){
-          const routeData = this.$router.resolve({
-              path:'/jlmap3d/traffictrain',
-              query:{
-                  mapid:this.mapId,
-                  group:this.group,
-                  project: this.project,
-                  noPreLogout: true,
-                  lineCode:this.lineCode
-              }
-          });
-          window.open(routeData.href, '_blank', 'noopener noreferrer');
+        jumpjl3dtraffictrain() {
+            const routeData = this.$router.resolve({
+                path:'/jlmap3d/traffictrain',
+                query:{
+                    mapid:this.mapId,
+                    group:this.group,
+                    project: this.project,
+                    noPreLogout: true,
+                    lineCode:this.lineCode
+                }
+            });
+            window.open(routeData.href, '_blank', 'noopener noreferrer');
         },
         jumpjlmap3dFault() {
             const routeData = this.$router.resolve({
@@ -303,9 +303,9 @@ export default {
         messageBoardShow() {
             this.$refs.messageBoard.doShow();
         },
-		contectUs() {
-			this.$refs.contectUs.doShow();
-		}
+        contectUs() {
+            this.$refs.contectUs.doShow();
+        }
     }
 };
 </script>