diff --git a/package.json b/package.json
index f722f29..59cfa21 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,8 @@
     "troisjs": "^0.3.4",
     "vue": "3.2.45",
     "vue-cropper": "1.0.3",
-    "vue-router": "4.1.4"
+    "vue-router": "4.1.4",
+    "mitt": "^3.0.1"
   },
   "devDependencies": {
     "@vitejs/plugin-vue": "3.1.0",
diff --git a/src/utils/bus.js b/src/utils/bus.js
new file mode 100644
index 0000000..1a13398
--- /dev/null
+++ b/src/utils/bus.js
@@ -0,0 +1,2 @@
+import mitt from 'mitt'
+export default mitt()
\ No newline at end of file
diff --git a/src/views/bim/bimHome/components/BuildTree.vue b/src/views/bim/bimHome/components/BuildTree.vue
index 2de141c..68290ec 100644
--- a/src/views/bim/bimHome/components/BuildTree.vue
+++ b/src/views/bim/bimHome/components/BuildTree.vue
@@ -12,6 +12,8 @@
 <script setup>
 import bimStore from '@/store/modules/bim';
 import { nextTick } from "vue";
+import bus from '@/utils/bus.js'
+
 const myTree = ref("myTree");
 
 const props = defineProps({
@@ -164,7 +166,10 @@ const handleNodeClick = (value) => {
         bimStore().setActivateTree(value);
     }
     const isParent = value.children.length > 0;
-    emit('handleNodeClick', value, isParent)
+    emit('handleNodeClick', value, isParent);
+
+    bus.emit('foo');
+
 }
 
 
diff --git a/src/views/bim/bimHome/components/ThreeView.vue b/src/views/bim/bimHome/components/ThreeView.vue
index eb5f904..78e7898 100644
--- a/src/views/bim/bimHome/components/ThreeView.vue
+++ b/src/views/bim/bimHome/components/ThreeView.vue
@@ -21,6 +21,7 @@ import {
 // import renderModel from "../renderModel";
 import homeIcon from '@/assets/image/bg7.jpg'
 import TWEEN from "@tweenjs/tween.js";
+import bus from '@/utils/bus.js'
 
 let scene = ref(null);
 let renderer = ref(null);
@@ -59,6 +60,9 @@ watch(() => props.sceneUrl, val => {
     loadSence();
 });
 onMounted(() => {
+    bus.on('foo', e => {
+         
+    })
     init();
     loadSence();
     // 启动动画