diff --git a/packages/core/src/common/const.ts b/packages/core/src/common/const.ts
index 46c68bd3f5..d36b0ddfef 100644
--- a/packages/core/src/common/const.ts
+++ b/packages/core/src/common/const.ts
@@ -14,16 +14,16 @@
  * limitations under the License.
  */
 
-export const DOCS_NORMAL_EDITOR_UNIT_ID_KEY = '__defaultDocumentNormalEditorSpecialUnitId_20231006__';
+export const DOCS_NORMAL_EDITOR_UNIT_ID_KEY = '__INTERNAL_EDITOR__DOCS_NORMAL';
 
-export const DOCS_FORMULA_BAR_EDITOR_UNIT_ID_KEY = '__defaultDocumentFormulaBarEditorSpecialUnitId_20231012__';
+export const DOCS_FORMULA_BAR_EDITOR_UNIT_ID_KEY = '__INTERNAL_EDITOR__DOCS_FORMULA_BAR';
 
 export const DEFAULT_EMPTY_DOCUMENT_VALUE = '\r\n';
 
 export function createInternalEditorID(id: string) {
-    return `__internalEditorId__${id}`;
+    return `__INTERNAL_EDITOR__${id}`;
 }
 
 export function isInternalEditorID(id: string) {
-    return id.startsWith('__');
+    return id.startsWith('__INTERNAL_EDITOR__');
 }
diff --git a/packages/core/src/services/instance/instance.service.ts b/packages/core/src/services/instance/instance.service.ts
index 8613bcb93d..b1486ac5d2 100644
--- a/packages/core/src/services/instance/instance.service.ts
+++ b/packages/core/src/services/instance/instance.service.ts
@@ -41,7 +41,7 @@ export interface IUniverInstanceService {
     /** Subscribe to curtain type of units' creation. */
     getTypeOfUnitAdded$<T extends UnitModel>(type: UnitType): Observable<T>;
 
-    /** @interal */
+    /** @ignore */
     __addUnit(unit: UnitModel): void;
 
     /** Omits value when a UnitModel is disposed. */