diff --git a/src/views/standardRegulationLibrary/profileCenter/ProfileCenterList.vue b/src/views/standardRegulationLibrary/profileCenter/ProfileCenterList.vue
index 7d2d6067..4ae9ff51 100644
--- a/src/views/standardRegulationLibrary/profileCenter/ProfileCenterList.vue
+++ b/src/views/standardRegulationLibrary/profileCenter/ProfileCenterList.vue
@@ -244,7 +244,8 @@ export default {
       })
     },
     handleAdd: function () {
-      this.$refs.modalForm.add({folderId: this.selectedTreeKeys.join(',')})
+      const folderId = this.selectedTreeKeys && this.selectedTreeKeys.length > 0 ? this.selectedTreeKeys.join(',') : null
+      this.$refs.modalForm.add({ folderId })
       this.$refs.modalForm.title = this.$t('newlyAdded')
       this.$refs.modalForm.disableSubmit = false
     },