diff --git a/yanzhu-bigscreen/public/css/largeScreenStyle.css b/yanzhu-bigscreen/public/css/largeScreenStyle.css
index 8f25b10a..0733bb6f 100644
--- a/yanzhu-bigscreen/public/css/largeScreenStyle.css
+++ b/yanzhu-bigscreen/public/css/largeScreenStyle.css
@@ -30,6 +30,20 @@ body {
   font-size: 16px;
   overflow: auto;
 }
+
+/* 全屏模式下隐藏滚动条 */
+body:fullscreen {
+  overflow: hidden;
+}
+
+body::-webkit-scrollbar {
+  display: none;
+}
+
+/* 全屏模式下的滚动条隐藏 */
+body:fullscreen::-webkit-scrollbar {
+  display: none;
+}
 .scroll::-webkit-scrollbar {
   width: 8px;
   height: 8px;
diff --git a/yanzhu-bigscreen/src/App.vue b/yanzhu-bigscreen/src/App.vue
index 3745861e..bc75eceb 100644
--- a/yanzhu-bigscreen/src/App.vue
+++ b/yanzhu-bigscreen/src/App.vue
@@ -25,6 +25,21 @@ export default {
   mounted(){
     window.app=this;
     this.isMap=location.hash.indexOf("#/map")>=0;
+    
+    // 监听全屏事件，控制body的overflow样式
+    this.$bus.$on('fullscreen', (isFullscreen) => {
+      if (isFullscreen) {
+        // 进入全屏时隐藏body滚动条
+        document.body.style.overflow = 'hidden';
+      } else {
+        // 退出全屏时恢复body滚动条
+        document.body.style.overflow = 'auto';
+      }
+    });
+  },
+  beforeDestroy() {
+    // 清理事件监听
+    this.$bus.$off('fullscreen');
   }
 }
 </script>
\ No newline at end of file
diff --git a/yanzhu-bigscreen/src/views/bim4DSimulation.vue b/yanzhu-bigscreen/src/views/bim4DSimulation.vue
index 60dd252f..f4a17218 100644
--- a/yanzhu-bigscreen/src/views/bim4DSimulation.vue
+++ b/yanzhu-bigscreen/src/views/bim4DSimulation.vue
@@ -1,9 +1,9 @@
 <template>
   <div class="bim-4d-simulation main-page" style="--plan-color: #00aaff66" :class="{ 'show-plan': showPlan }">
-    <div class="icon-switch-plan" @click="doSwitchPlan">
+    <div class="icon-switch-plan" @click="doSwitchPlan" v-if="!noPlan">
       <svg-icon icon-class="swagger" />
     </div>
-    <div id="bim4D" :key="elId" :class="taskList.length>0?'show-plan':'no-plan'">
+    <div id="bim4D" :key="elId" :class="!noPlan?'show-plan':'no-plan'">
       <div id="bim4DContainer" class="bim4DContainer"></div>
       <div class="div-tools" >
         <div class="tool-item" @click="resetScene">
@@ -59,11 +59,14 @@
 
       <el-slider v-model="playValue" :max="taskList.length" class="slider" @change="doSliderChange" />
     </div>
-    <div v-if="hasLoad && taskList.length>0 " class="div-plan" v-show="showPlan">
+    <div v-if="hasLoad && !noPlan " class="div-plan" v-show="showPlan">
       <gantt-elastic :options="options" :tasks="taskList" :dynamicStyle="planStyle" ref="gantt">
         <gantt-header slot="header" :options="optionList" v-if="1 == 2"></gantt-header>
       </gantt-elastic>
     </div>
+    <div v-if="!hasLoad" class="div-plan is-loading" v-loading="!hasLoad" style="height: 400px;">
+      <div class="loading-text">计划加载中...</div>
+    </div>
   </div>
 </template>
 
@@ -100,6 +103,7 @@ export default {
       showPlan: true,
       lastFeatureIds: [],
       planLoaded: false,
+      noPlan:false,
     };
   },
   beforeDestroy() {
@@ -220,6 +224,8 @@ export default {
           });
           this.hasLoad = true;
           this.planLoaded = true;
+          this.noPlan=this.taskList.length==0;
+          
         });
       }
     },
@@ -305,6 +311,18 @@ export default {
   }
 
   .div-plan {
+  &.is-loading{
+    display: flex;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    .loading-text{
+      margin-top: -100px;
+    }
+    .el-loading-spinner{
+      margin-left: -50px;
+    }
+  }
     .gantt-elastic__main-view {
       .gantt-elastic__task-list-header-column {
         background: transparent !important;