diff --git a/apps/backend/src/admin/admin.module.ts b/apps/backend/src/admin/admin.module.ts
index d1a1d28..adc9b9e 100644
--- a/apps/backend/src/admin/admin.module.ts
+++ b/apps/backend/src/admin/admin.module.ts
@@ -8,6 +8,7 @@ import { AdminWebResourceController } from './controller/web/admin-web-resource.
 import { AdminWebBlogController } from './controller/web/admin-web-blog.controller';
 import { ResourceModule } from 'src/resource/resource.module';
 import { BlogModule } from 'src/blog/blog.module';
+import { AuthModule } from 'src/auth/auth.module';
 
 @Module({
   imports: [
@@ -15,6 +16,7 @@ import { BlogModule } from 'src/blog/blog.module';
     UserModule,
     ResourceModule,
     BlogModule,
+    AuthModule,
   ],
   controllers: [
     AdminController,
diff --git a/apps/backend/src/auth/auth.controller.ts b/apps/backend/src/auth/auth.controller.ts
index e8f69ec..7616a45 100644
--- a/apps/backend/src/auth/auth.controller.ts
+++ b/apps/backend/src/auth/auth.controller.ts
@@ -10,14 +10,14 @@ import {
 } from '@nestjs/common';
 import { LoginByPasswordDto } from './dto/login.dto';
 import { AuthService } from './auth.service';
-import { UserSessionService } from 'src/user/services/user-session.service';
+import { UserSessionService } from 'src/auth/service/user-session.service';
 import { Throttle, ThrottlerGuard } from '@nestjs/throttler';
 import { Response } from 'express';
 import { UserService } from 'src/user/user.service';
 import { AuthGuard } from './guards/auth.guard';
 import { SmsLoginDto } from './dto/sms-login.dto';
 import { SmsService } from 'src/sms/sms.service';
-import { UserSession } from 'src/user/entities/user-session.entity';
+import { UserSession } from 'src/auth/entity/user-session.entity';
 
 @Controller('auth')
 export class AuthController {
diff --git a/apps/backend/src/auth/auth.module.ts b/apps/backend/src/auth/auth.module.ts
index d2f8fae..71cc256 100644
--- a/apps/backend/src/auth/auth.module.ts
+++ b/apps/backend/src/auth/auth.module.ts
@@ -3,23 +3,25 @@ import { AuthController } from './auth.controller';
 import { AuthService } from './auth.service';
 import { UserModule } from 'src/user/user.module';
 import { TypeOrmModule } from '@nestjs/typeorm';
-import { UserSession } from 'src/user/entities/user-session.entity';
+import { UserSession } from 'src/auth/entity/user-session.entity';
 import { ConfigModule } from '@nestjs/config';
 import { VerificationModule } from 'src/verification/verification.module';
 import { AuthGuard } from './guards/auth.guard';
 import { OptionalAuthGuard } from './guards/optional-auth.guard';
 import { SmsModule } from 'src/sms/sms.module';
+import { PasskeyCredential } from './entity/passkey-credential.entity';
+import { UserSessionService } from './service/user-session.service';
 
 @Module({
   imports: [
     ConfigModule,
     forwardRef(() => UserModule),
-    TypeOrmModule.forFeature([UserSession]),
+    TypeOrmModule.forFeature([UserSession, PasskeyCredential]),
     VerificationModule,
     SmsModule,
   ],
   controllers: [AuthController],
-  providers: [AuthService, AuthGuard, OptionalAuthGuard],
-  exports: [AuthService, AuthGuard, OptionalAuthGuard],
+  providers: [AuthService, AuthGuard, OptionalAuthGuard, UserSessionService],
+  exports: [AuthService, AuthGuard, OptionalAuthGuard, UserSessionService],
 })
 export class AuthModule { }
diff --git a/apps/backend/src/auth/auth.service.ts b/apps/backend/src/auth/auth.service.ts
index a1b3e5d..d30d7ab 100644
--- a/apps/backend/src/auth/auth.service.ts
+++ b/apps/backend/src/auth/auth.service.ts
@@ -1,8 +1,7 @@
 import { createHash } from 'crypto';
 import { BadRequestException, Injectable } from '@nestjs/common';
 import { UserService } from 'src/user/user.service';
-import { UserSessionService } from 'src/user/services/user-session.service';
-import { VerificationService } from 'src/verification/verification.service';
+import { UserSessionService } from 'src/auth/service/user-session.service';
 import { BusinessException } from 'src/common/exceptions/business.exception';
 import { ErrorCode } from 'src/common/constants/error-codes';
 
diff --git a/apps/backend/src/user/entities/user-session.entity.ts b/apps/backend/src/auth/entity/user-session.entity.ts
similarity index 100%
rename from apps/backend/src/user/entities/user-session.entity.ts
rename to apps/backend/src/auth/entity/user-session.entity.ts
diff --git a/apps/backend/src/auth/guards/auth.guard.ts b/apps/backend/src/auth/guards/auth.guard.ts
index 3ff4336..cef08cb 100644
--- a/apps/backend/src/auth/guards/auth.guard.ts
+++ b/apps/backend/src/auth/guards/auth.guard.ts
@@ -1,7 +1,7 @@
 // auth.guard.ts
 import { Injectable, CanActivate, ExecutionContext, UnauthorizedException } from '@nestjs/common';
 import { Request } from 'express';
-import { UserSessionService } from 'src/user/services/user-session.service';
+import { UserSessionService } from 'src/auth/service/user-session.service';
 import { UserService } from 'src/user/user.service';
 
 @Injectable()
diff --git a/apps/backend/src/user/services/user-session.service.ts b/apps/backend/src/auth/service/user-session.service.ts
similarity index 93%
rename from apps/backend/src/user/services/user-session.service.ts
rename to apps/backend/src/auth/service/user-session.service.ts
index 63f296c..d3cce82 100644
--- a/apps/backend/src/user/services/user-session.service.ts
+++ b/apps/backend/src/auth/service/user-session.service.ts
@@ -1,6 +1,6 @@
 import { InjectRepository } from '@nestjs/typeorm';
 import { Injectable } from '@nestjs/common';
-import { UserSession } from '../entities/user-session.entity';
+import { UserSession } from '../entity/user-session.entity';
 import { Repository } from 'typeorm';
 
 @Injectable()
diff --git a/apps/backend/src/user/user.module.ts b/apps/backend/src/user/user.module.ts
index 25cd032..96cf350 100644
--- a/apps/backend/src/user/user.module.ts
+++ b/apps/backend/src/user/user.module.ts
@@ -3,17 +3,15 @@ import { TypeOrmModule } from '@nestjs/typeorm';
 import { User } from './entities/user.entity';
 import { UserController } from './user.controller';
 import { UserService } from './user.service';
-import { UserSession } from './entities/user-session.entity';
 import { AuthModule } from 'src/auth/auth.module';
-import { UserSessionService } from './services/user-session.service';
 
 @Module({
   imports: [
-    TypeOrmModule.forFeature([User, UserSession]),
+    TypeOrmModule.forFeature([User]),
     forwardRef(() => AuthModule), // 解决循环依赖问题
   ],
   controllers: [UserController],
-  providers: [UserService, UserSessionService],
-  exports: [UserService, UserSessionService],
+  providers: [UserService],
+  exports: [UserService],
 })
-export class UserModule {}
+export class UserModule { }