diff --git a/packages/data-center/src/datacenter.ts b/packages/data-center/src/datacenter.ts
index 487e82cd5f..e4fe394c71 100644
--- a/packages/data-center/src/datacenter.ts
+++ b/packages/data-center/src/datacenter.ts
@@ -46,6 +46,10 @@ export class DataCenter {
     dc.registerProvider(new LocalProvider(getInitParams()));
     dc.registerProvider(new AffineProvider(getInitParams()));
 
+    for (const provider of dc.providerMap.values()) {
+      await provider.loadWorkspaces();
+    }
+
     return dc;
   }
 
@@ -181,8 +185,14 @@ export class DataCenter {
    * @param {Function} callback callback function
    */
   public async onWorkspacesChange(
-    callback: (workspaces: WorkspaceUnitCollectionChangeEvent) => void
+    callback: (workspaces: WorkspaceUnitCollectionChangeEvent) => void,
+    { immediate = true }: { immediate?: boolean }
   ) {
+    if (immediate) {
+      callback({
+        added: this._workspaceUnitCollection.workspaces,
+      });
+    }
     this._workspaceUnitCollection.on('change', callback);
   }
 
diff --git a/packages/data-center/src/provider/affine/affine.ts b/packages/data-center/src/provider/affine/affine.ts
index b98a08cf25..cbe5adef18 100644
--- a/packages/data-center/src/provider/affine/affine.ts
+++ b/packages/data-center/src/provider/affine/affine.ts
@@ -2,7 +2,6 @@ import { BaseProvider } from '../base.js';
 import type {
   ProviderConstructorParams,
   CreateWorkspaceInfoParams,
-  UpdateWorkspaceMetaParams,
   WorkspaceMeta0,
 } from '../base';
 import type { User } from '../../types';
@@ -34,11 +33,6 @@ export class AffineProvider extends BaseProvider {
   constructor({ apis, ...params }: AffineProviderConstructorParams) {
     super(params);
     this._apis = apis || getApis();
-    this.init().then(() => {
-      if (this._apis.token.isLogin) {
-        this.loadWorkspaces();
-      }
-    });
   }
 
   override async init() {
diff --git a/packages/data-center/src/provider/local/local.ts b/packages/data-center/src/provider/local/local.ts
index f87d7c95fb..2bc6bae718 100644
--- a/packages/data-center/src/provider/local/local.ts
+++ b/packages/data-center/src/provider/local/local.ts
@@ -19,7 +19,6 @@ export class LocalProvider extends BaseProvider {
 
   constructor(params: ProviderConstructorParams) {
     super(params);
-    this.loadWorkspaces();
   }
 
   private _storeWorkspaces(workspaces: WorkspaceMeta0[]) {
diff --git a/packages/data-center/src/workspace-unit-collection.ts b/packages/data-center/src/workspace-unit-collection.ts
index e4dedad8c7..58770e2122 100644
--- a/packages/data-center/src/workspace-unit-collection.ts
+++ b/packages/data-center/src/workspace-unit-collection.ts
@@ -18,7 +18,7 @@ export interface WorkspaceUnitCollectionScope {
 }
 
 export interface WorkspaceUnitCollectionChangeEvent {
-  added?: WorkspaceUnit;
+  added?: WorkspaceUnit[];
   deleted?: WorkspaceUnit;
   updated?: WorkspaceUnit;
 }
@@ -71,7 +71,7 @@ export class WorkspaceUnitCollection {
 
       this._events.emit('change', [
         {
-          added: workspaceUnit,
+          added: [workspaceUnit],
         } as WorkspaceUnitCollectionChangeEvent,
       ]);
     };