diff --git a/src/components/selection/TreeSelectModal.vue b/src/components/selection/TreeSelectModal.vue
index 55fe3327..18e40c24 100644
--- a/src/components/selection/TreeSelectModal.vue
+++ b/src/components/selection/TreeSelectModal.vue
@@ -122,7 +122,7 @@ export default {
     open (values) {
       this.visible = true
       this.filters.dictId = this.dictId
-      this.selectedRowKeys = values.split(',')
+      this.selectedRowKeys = values ? values.split(',') : []
       this.loadData()
       this.getSelectedList(values)
     },