diff --git a/src/components/TreeDrop.vue b/src/components/TreeDrop.vue
index bf6d34f..eafe79c 100644
--- a/src/components/TreeDrop.vue
+++ b/src/components/TreeDrop.vue
@@ -56,7 +56,8 @@ import {
   watch,
   nextTick,
   PropType,
-  withCtx
+  withCtx,
+  isVue2
 } from 'vue-demi'
 import CTreeSearch from './TreeSearch.vue'
 import { TreeNode } from '../store'
@@ -399,8 +400,7 @@ export default defineComponent({
       dropdownVisible.value = false
     }
 
-    /** 处理树数据更新 */
-    function handleSetData(): void {
+    function onSetData() {
       const treeRef = treeSearchRef.value.$refs.treeRef
       slotProps.checkedNodes = treeSearchRef.value.getCheckedNodes()
       slotProps.checkedKeys = treeSearchRef.value.getCheckedKeys()
@@ -424,6 +424,10 @@ export default defineComponent({
         }
       }
     }
+    /** 处理树数据更新 */
+    function handleSetData(): void {
+      isVue2 ? nextTick(onSetData) : onSetData()
+    }
     onMounted(() => {
       document.addEventListener('click', handleDocumentClick)
       if (props.transfer) {
@@ -475,7 +479,7 @@ export default defineComponent({
       handleClear,
       handleCheckedChange,
       handleSelectedChange,
-      handleSetData
+      handleSetData,
     }
   }
 })
diff --git a/src/components/TreeSearch.vue b/src/components/TreeSearch.vue
index 65608f0..e5aa937 100644
--- a/src/components/TreeSearch.vue
+++ b/src/components/TreeSearch.vue
@@ -61,7 +61,9 @@ import {
   Ref,
   computed,
   onMounted,
-  PropType
+  PropType,
+  isVue2,
+nextTick
 } from 'vue-demi'
 import CTree from './Tree.vue'
 import { ApiType } from '../const'
@@ -370,8 +372,9 @@ export default defineComponent({
 
     function onSetData() {
       emit('set-data')
-      handleSetData()
+      isVue2 ?  nextTick(handleSetData) : handleSetData()
     }
+
     onMounted(() => {
       if (checkable.value && !checkedCount.value) {
         handleSetData()
@@ -421,7 +424,7 @@ export default defineComponent({
       checkedChange,
       onSetData,
       clearKeyword,
-      search
+      search,
     }
   }
 })