diff --git a/packages/docs/src/commands/commands/delete.command.ts b/packages/docs/src/commands/commands/delete.command.ts
index 4d95eb371e21..fce46dda91c1 100644
--- a/packages/docs/src/commands/commands/delete.command.ts
+++ b/packages/docs/src/commands/commands/delete.command.ts
@@ -55,7 +55,7 @@ export const DeleteLeftCommand: ICommand = {
         const docSkeletonManagerService = getCommandSkeleton(accessor, unitId);
         const activeRange = textSelectionManagerService.getActiveRange();
         const ranges = textSelectionManagerService.getSelections();
-        const skeleton = docSkeletonManagerService?.getSkeleton()?.skeleton;
+        const skeleton = docSkeletonManagerService?.getSkeleton();
         if (activeRange == null || skeleton == null || ranges == null) {
             return false;
         }
@@ -202,7 +202,7 @@ export const DeleteRightCommand: ICommand = {
 
         const activeRange = textSelectionManagerService.getActiveRange();
         const ranges = textSelectionManagerService.getSelections();
-        const skeleton = docSkeletonManagerService?.getSkeleton()?.skeleton;
+        const skeleton = docSkeletonManagerService?.getSkeleton();
         if (activeRange == null || skeleton == null || ranges == null) {
             return false;
         }
diff --git a/packages/docs/src/controllers/move-cursor.controller.ts b/packages/docs/src/controllers/move-cursor.controller.ts
index 09f0fecc357f..0ad442bf90b6 100644
--- a/packages/docs/src/controllers/move-cursor.controller.ts
+++ b/packages/docs/src/controllers/move-cursor.controller.ts
@@ -99,7 +99,7 @@ export class MoveCursorController extends Disposable {
         }
 
         const skeleton = this._renderManagerService.getRenderById(docDataModel.getUnitId())
-            ?.with(DocSkeletonManagerService).getSkeleton()?.skeleton;
+            ?.with(DocSkeletonManagerService).getSkeleton();
         const docObject = this._getDocObject();
 
         if (activeRange == null || skeleton == null || docObject == null) {
@@ -203,7 +203,7 @@ export class MoveCursorController extends Disposable {
         }
 
         const skeleton = this._renderManagerService.getRenderById(docDataModel.getUnitId())
-            ?.with(DocSkeletonManagerService).getSkeleton()?.skeleton;
+            ?.with(DocSkeletonManagerService).getSkeleton();
         const docObject = this._getDocObject();
 
         if (activeRange == null || skeleton == null || docObject == null || allRanges == null) {
diff --git a/packages/docs/src/controllers/normal-input.controller.ts b/packages/docs/src/controllers/normal-input.controller.ts
index 07f2af54debf..5397a01ed0e9 100644
--- a/packages/docs/src/controllers/normal-input.controller.ts
+++ b/packages/docs/src/controllers/normal-input.controller.ts
@@ -65,7 +65,7 @@ export class NormalInputController extends Disposable {
             const e = event as InputEvent;
 
             const skeleton = this._renderManagerService.getRenderById(documentModel.getUnitId())
-                ?.with(DocSkeletonManagerService).getSkeleton()?.skeleton;
+                ?.with(DocSkeletonManagerService).getSkeleton();
 
             if (e.data == null || skeleton == null) {
                 return;
diff --git a/packages/engine-render/src/render-manager/render-manager.service.ts b/packages/engine-render/src/render-manager/render-manager.service.ts
index 241cd85ce26e..affb011471ef 100644
--- a/packages/engine-render/src/render-manager/render-manager.service.ts
+++ b/packages/engine-render/src/render-manager/render-manager.service.ts
@@ -50,7 +50,7 @@ export interface IRenderManagerService extends IDisposable {
     /** @deprecated */
     createRender$: Observable<string>;
     /** @deprecated this design is very very weird! Remove it. */
-    create(unitId: Nullable<string>): void;
+    create(unitId: string): void;
 
     /** @deprecated There will be multi units to render at the same time, so there is no *current*. */
     getCurrent(): Nullable<IRender>;
@@ -127,7 +127,7 @@ export class RenderManagerService extends Disposable implements IRenderManagerSe
         return Array.from(this._renderControllers.get(type) ?? []);
     }
 
-    create(unitId: Nullable<string>) {
+    create(unitId: string) {
         this._createRender$.next(unitId);
     }
 
diff --git a/packages/sheets-zen-editor/src/controllers/zen-editor.controller.ts b/packages/sheets-zen-editor/src/controllers/zen-editor.controller.ts
index 73b702228f85..b59750ad15b3 100644
--- a/packages/sheets-zen-editor/src/controllers/zen-editor.controller.ts
+++ b/packages/sheets-zen-editor/src/controllers/zen-editor.controller.ts
@@ -126,7 +126,7 @@ export class ZenEditorController extends RxDisposable {
 
             const { engine } = editorObject;
 
-            const skeleton = this._docSkeletonManagerService.getSkeletonByUnitId(DOCS_ZEN_EDITOR_UNIT_ID_KEY)?.skeleton;
+            const skeleton = this._renderManagerService.getRenderById(DOCS_ZEN_EDITOR_UNIT_ID_KEY)?.with(DocSkeletonManagerService).getSkeleton();
 
             // Update page size when container resized.
             // zenEditorDataModel.updateDocumentDataPageSize(width);
@@ -220,7 +220,7 @@ export class ZenEditorController extends RxDisposable {
             DOCS_FORMULA_BAR_EDITOR_UNIT_ID_KEY,
         ];
 
-        const skeleton = this._renderManagerService.getRenderById(unitId)?.with(DocSkeletonManagerService);
+        const skeleton = this._renderManagerService.getRenderById(unitId)?.with(DocSkeletonManagerService).getSkeleton();
         const docDataModel = this._univerInstanceService.getUniverDocInstance(unitId);
         const docViewModel = this._docViewModelManagerService.getViewModel(unitId);
 
@@ -245,7 +245,6 @@ export class ZenEditorController extends RxDisposable {
         docViewModel.reset(docDataModel);
 
         const currentRender = this._getDocObject();
-
         if (currentRender == null) {
             return;
         }