majortype报错

src/components/dialog/EditNodeDialog.vue

@@ -312,7 +312,7 @@ const confirmClick = async () => {
 }
 
 const saveTreeNode = async (form)=>{
-    if (isArrItem( form?.majorDataType)) {
+    if (form?.majorDataType&&isArrItem( form?.majorDataType)) {
         if (form.majorDataType.length > 0) {
           let das = ''
           form.majorDataType.forEach((val, key) => {