diff --git a/src/services/session/client.ts b/src/services/session/client.ts
index 2d205cca8c8c..8d696676366e 100644
--- a/src/services/session/client.ts
+++ b/src/services/session/client.ts
@@ -166,7 +166,7 @@ export class ClientService implements ISessionService {
   }
 
   async updateSessionGroup(id: string, data: Partial<SessionGroupItem>) {
-    return SessionGroupModel.update(id, data);
+    return SessionGroupModel.update(id, data as any);
   }
 
   async updateSessionGroupOrder(sortMap: { id: string; sort: number }[]) {
diff --git a/src/store/chat/slices/builtinTool/action.test.ts b/src/store/chat/slices/builtinTool/action.test.ts
index 63bc5b990a55..7d565d1cb6d4 100644
--- a/src/store/chat/slices/builtinTool/action.test.ts
+++ b/src/store/chat/slices/builtinTool/action.test.ts
@@ -47,10 +47,9 @@ describe('chatToolSlice', () => {
         url: '',
       });
       vi.spyOn(result.current, 'toggleDallEImageLoading');
-      vi.spyOn(ClientService.prototype, 'checkFileHash').mockImplementation(async () => ({
-        isExist: false,
-        metadata: {},
-      }));
+      vi.spyOn(ClientService.prototype, 'checkFileHash').mockImplementation(
+        async () => ({ isExist: false }) as any,
+      );
 
       await act(async () => {
         await result.current.generateImageFromPrompts(prompts, messageId);
diff --git a/src/store/session/slices/sessionGroup/reducer.test.ts b/src/store/session/slices/sessionGroup/reducer.test.ts
index 17a947ca217a..52fe51b9e329 100644
--- a/src/store/session/slices/sessionGroup/reducer.test.ts
+++ b/src/store/session/slices/sessionGroup/reducer.test.ts
@@ -10,14 +10,14 @@ describe('sessionGroupsReducer', () => {
     {
       id: nanoid(),
       name: 'Group 1',
-      createdAt: Date.now(),
-      updatedAt: Date.now(),
+      createdAt: new Date(),
+      updatedAt: new Date(),
     },
     {
       id: nanoid(),
       name: 'Group 2',
-      createdAt: Date.now(),
-      updatedAt: Date.now(),
+      createdAt: new Date(),
+      updatedAt: new Date(),
       sort: 1,
     },
   ];
@@ -26,8 +26,8 @@ describe('sessionGroupsReducer', () => {
     const newItem: SessionGroupItem = {
       id: nanoid(),
       name: 'New Group',
-      createdAt: Date.now(),
-      updatedAt: Date.now(),
+      createdAt: new Date(),
+      updatedAt: new Date(),
     };
 
     const result = sessionGroupsReducer(initialState, {
diff --git a/src/types/clientDB.ts b/src/types/clientDB.ts
new file mode 100644
index 000000000000..20febdf542a7
--- /dev/null
+++ b/src/types/clientDB.ts
@@ -0,0 +1,29 @@
+// 定义加载状态类型
+export enum DatabaseLoadingState {
+  Error = 'error',
+  Finished = 'finished',
+  Idle = 'idle',
+  Initializing = 'initializing',
+  LoadingDependencies = 'loadingDependencies',
+  LoadingWasm = 'loadingWasm',
+  Migrating = 'migrating',
+  Ready = 'ready',
+}
+
+export const ClientDatabaseInitStages = [
+  DatabaseLoadingState.Idle,
+  DatabaseLoadingState.Initializing,
+  DatabaseLoadingState.LoadingDependencies,
+  DatabaseLoadingState.LoadingWasm,
+  DatabaseLoadingState.Migrating,
+  DatabaseLoadingState.Finished,
+];
+
+// 定义进度回调接口
+export interface ClientDBLoadingProgress {
+  costTime?: number;
+  phase: 'wasm' | 'dependencies';
+  progress: number;
+}
+
+export type OnStageChange = (state: DatabaseLoadingState) => void;
diff --git a/src/types/importer.ts b/src/types/importer.ts
index 81bcb0f8574e..2fb413415e65 100644
--- a/src/types/importer.ts
+++ b/src/types/importer.ts
@@ -9,9 +9,8 @@ import {
 } from '@/types/message';
 import { MetaData } from '@/types/meta';
 import { SessionGroupId } from '@/types/session';
-import { ChatTopic } from '@/types/topic';
 
-interface ImportSession {
+export interface ImportSession {
   config: LobeAgentConfig;
   createdAt: string;
   group?: SessionGroupId;
@@ -22,7 +21,7 @@ interface ImportSession {
   updatedAt: string;
 }
 
-interface ImportMessage {
+export interface ImportMessage {
   content: string;
   createdAt: number;
   error?: ChatMessageError;
@@ -64,19 +63,32 @@ interface ImportMessage {
   updatedAt: number;
 }
 
-interface ImportSessionGroup {
+export interface ImportSessionGroup {
   createdAt: number;
   id: string;
   name: string;
   sort?: number | null;
   updatedAt: number;
 }
+export interface ImportTopic {
+  createdAt: number;
+  favorite?: boolean;
+  historySummary?: string;
+  id: string;
+  metadata?: {
+    model?: string;
+    provider?: string;
+  };
+  sessionId?: string;
+  title: string;
+  updatedAt: number;
+}
 
 export interface ImporterEntryData {
   messages?: ImportMessage[];
   sessionGroups?: ImportSessionGroup[];
   sessions?: ImportSession[];
-  topics?: ChatTopic[];
+  topics?: ImportTopic[];
   version: number;
 }
 
diff --git a/src/types/meta.ts b/src/types/meta.ts
index 459aece85cdb..23ce2b941c2f 100644
--- a/src/types/meta.ts
+++ b/src/types/meta.ts
@@ -21,19 +21,10 @@ export const LobeMetaDataSchema = z.object({
 export type MetaData = z.infer<typeof LobeMetaDataSchema>;
 
 export interface BaseDataModel {
-  /**
-   * @deprecated
-   */
-  createAt?: number;
-
   createdAt: number;
 
   id: string;
   meta: MetaData;
 
-  /**
-   * @deprecated
-   */
-  updateAt?: number;
   updatedAt: number;
 }
diff --git a/src/types/session/sessionGroup.ts b/src/types/session/sessionGroup.ts
index 85fb3675021b..1c8dbcda048a 100644
--- a/src/types/session/sessionGroup.ts
+++ b/src/types/session/sessionGroup.ts
@@ -8,11 +8,11 @@ export enum SessionDefaultGroup {
 export type SessionGroupId = SessionDefaultGroup | string;
 
 export interface SessionGroupItem {
-  createdAt: number;
+  createdAt: Date;
   id: string;
   name: string;
-  sort?: number;
-  updatedAt: number;
+  sort?: number | null;
+  updatedAt: Date;
 }
 
 export type SessionGroups = SessionGroupItem[];