diff --git a/packages/editor/src/services/editor.ts b/packages/editor/src/services/editor.ts
index 4a061f6c..260be3a8 100644
--- a/packages/editor/src/services/editor.ts
+++ b/packages/editor/src/services/editor.ts
@@ -527,8 +527,8 @@ class Editor extends BaseService {
 
     let newConfig = await this.toggleFixedPosition(toRaw(config), node, root);
 
-    newConfig = mergeWith(cloneDeep(node), newConfig, (objValue, srcValue, key) => {
-      if (typeof srcValue === 'undefined' && Object.hasOwn(newConfig, key)) {
+    newConfig = mergeWith(cloneDeep(node), newConfig, (objValue, srcValue, key, object: any, source: any) => {
+      if (typeof srcValue === 'undefined' && Object.hasOwn(source, key)) {
         return '';
       }