diff --git a/lib/component/tree/props.ts b/lib/component/tree/props.ts
index 618bcd4..242dd25 100644
--- a/lib/component/tree/props.ts
+++ b/lib/component/tree/props.ts
@@ -46,4 +46,5 @@ export const treeProps = {
     type: Function,
     default: (data: any) => data,
   },
+  cancelable: PropTypes.bool.def(false), // 选中树节点是否可以取消
 };
diff --git a/lib/component/tree/tree-api.vue b/lib/component/tree/tree-api.vue
index 4aa9076..3bb3574 100644
--- a/lib/component/tree/tree-api.vue
+++ b/lib/component/tree/tree-api.vue
@@ -12,7 +12,7 @@
       </div>
 
       <div style="min-height: 150px">
-        <ns-tree v-if="treeData?.length" v-bind="getBindValue" v-model:selectedKeys="selectedKeys">
+        <ns-tree v-if="treeData?.length" v-bind="getBindValue" :selectedKeys="selectedKeys">
           <template #[item]="data" v-for="(item, index) in Object.keys($slots)" :key="index">
             <slot :name="item" v-bind="{ ...data, formModel } || {}"></slot>
           </template>
@@ -27,7 +27,7 @@
   import { TreeDataItem } from 'ant-design-vue/es/tree/Tree';
   import { useApi } from '/nerv-lib/use/use-api';
   import { AxiosRequestConfig } from 'axios';
-  import { get } from 'lodash-es';
+  import { get, isEmpty } from 'lodash-es';
   import { useRoute } from 'vue-router';
   import { debounce } from 'lodash-es';
   import { treeProps, treeFormProps } from '/nerv-lib/component/tree/props';
@@ -35,7 +35,7 @@
   defineOptions({
     name: 'NsTreeApi',
   });
-  const emit = defineEmits(['update:treeData']);
+  const emit = defineEmits(['update:treeData', 'select']);
   // const model = defineModel('treeData');
 
   const formElRef = ref();
@@ -69,14 +69,25 @@
   const isSticky: any = computed(() => {
     return props.isSticky ? 'sticky' : 'static';
   });
+
   const formFinish = debounce((data: object) => {
     selectedKeys.value = [];
     getData(data);
   }, 200);
+
+  const handleSelect = (keys: any, selectedRows: any) => {
+    if (props.cancelable || !isEmpty(keys)) {
+      selectedKeys.value = keys;
+      // props.onSelect && props.onSelect(keys, selectedRows);
+      emit('select', keys, selectedRows);
+    }
+  };
+
   const getBindValue = computed(() => ({
     ...attrs,
     ...props,
     treeData: treeData.value,
+    onSelect: handleSelect,
   }));
   const setLoading = (loading: boolean) => {
     treeState.loading = loading;