diff --git a/src/views/archivesConfig/dict/index.vue b/src/views/archivesConfig/dict/index.vue
index 69758a3..95a4c12 100644
--- a/src/views/archivesConfig/dict/index.vue
+++ b/src/views/archivesConfig/dict/index.vue
@@ -125,10 +125,12 @@ export default {
     },
     updateKeyChildren(data) {
       const oldDatas = this.$refs.tree.getCurrentNode().childMenus
-      for (let i = 0; i < data.length; i++) {
-        const oldData = oldDatas.find((d) => { d.id === data[i].id })
-        if (oldData) {
-          data.childMenus = oldData.childMenus
+      if (oldDatas) {
+        for (let i = 0; i < data.length; i++) {
+          const oldData = oldDatas.find((d) => { d.id === data[i].id })
+          if (oldData) {
+            data.childMenus = oldData.childMenus
+          }
         }
       }
       this.$refs.tree.updateKeyChildren(this.$refs.tree.getCurrentKey(), data)