diff --git a/packages/core/src/services/user-manager/const.ts b/packages/core/src/services/user-manager/const.ts
index f83ff3a2146..fb571614abf 100644
--- a/packages/core/src/services/user-manager/const.ts
+++ b/packages/core/src/services/user-manager/const.ts
@@ -25,7 +25,16 @@ const nameMap = {
     [UnitRole.Reader]: 'Reader',
     [UnitRole.UNRECOGNIZED]: 'UNRECOGNIZED',
 };
-export const createDefaultUser = (type: UnitRole) => {
+export const createDefaultUser = (type?: UnitRole) => {
+    if (!type) {
+        return {
+            userID: '',
+            name: '',
+            avatar: '',
+            anonymous: true,
+            canBindAnonymous: false,
+        } as IUser;
+    }
     const user = {
         userID: `${nameMap[type]}_${Tools.generateRandomId(8)}`,
         name: nameMap[type],
diff --git a/packages/core/src/services/user-manager/user-manager.service.ts b/packages/core/src/services/user-manager/user-manager.service.ts
index f50a49fad84..fe5205c7712 100644
--- a/packages/core/src/services/user-manager/user-manager.service.ts
+++ b/packages/core/src/services/user-manager/user-manager.service.ts
@@ -15,7 +15,6 @@
  */
 
 import type { IUser } from '@univerjs/protocol';
-import { UnitRole } from '@univerjs/protocol';
 
 import { BehaviorSubject, Subject } from 'rxjs';
 import { LifecycleStages, OnLifecycle } from '../lifecycle/lifecycle';
@@ -26,7 +25,7 @@ export class UserManagerService {
     private _model = new Map<string, IUser>();
     private _userChange$ = new Subject<{ type: 'add' | 'delete'; user: IUser } | { type: 'clear' }>();
     public userChange$ = this._userChange$.asObservable();
-    private _currentUser$ = new BehaviorSubject<IUser>(createDefaultUser(UnitRole.Owner));
+    private _currentUser$ = new BehaviorSubject<IUser>(createDefaultUser());
     /**
      * When the current user undergoes a switch or change
      * @memberof UserManagerService