diff --git a/src/users/dto/user-response.dto.ts b/src/users/dto/user-response.dto.ts
index 1380bce..a3bbfee 100644
--- a/src/users/dto/user-response.dto.ts
+++ b/src/users/dto/user-response.dto.ts
@@ -25,6 +25,7 @@ export interface UserWithPurchaseStatus {
   maxUsageCount: number;
   favoriteTopicCount: number;
   isVip: boolean;
+  appVersion?: string;
   profile?: Pick<UserProfile, 'dailyStepsGoal' | 'dailyCaloriesGoal' | 'pilatesPurposes' | 'weight' | 'initialWeight' | 'targetWeight' | 'height' | 'activityLevel'>;
 }
 
diff --git a/src/users/models/user.model.ts b/src/users/models/user.model.ts
index 8453b41..10f8411 100644
--- a/src/users/models/user.model.ts
+++ b/src/users/models/user.model.ts
@@ -126,6 +126,13 @@ export class User extends Model {
   })
   declare language: string;
 
+  @Column({
+    type: DataType.STRING,
+    allowNull: true,
+    comment: '用户当前使用的App版本号',
+  })
+  declare appVersion: string;
+
   get isVip(): boolean {
     return this.membershipExpiration ? dayjs(this.membershipExpiration).isAfter(dayjs()) : false;
   }
diff --git a/src/users/users.controller.ts b/src/users/users.controller.ts
index 11602a2..1bcd5bf 100644
--- a/src/users/users.controller.ts
+++ b/src/users/users.controller.ts
@@ -68,9 +68,12 @@ export class UsersController {
   @ApiOperation({ summary: '获取用户信息' })
   @ApiBody({ type: CreateUserDto })
   @ApiResponse({ type: UserResponseDto })
-  async getProfile(@CurrentUser() user: AccessTokenPayload): Promise<UserResponseDto> {
-    this.logger.log(`get profile: ${JSON.stringify(user)}`);
-    return this.usersService.getProfile(user);
+  async getProfile(
+    @CurrentUser() user: AccessTokenPayload,
+    @AppVersion() appVersion: string | undefined,
+  ): Promise<UserResponseDto> {
+    this.logger.log(`get profile: ${JSON.stringify(user)}, appVersion: ${appVersion}`);
+    return this.usersService.getProfile(user, appVersion);
   }
 
   // 获取历史体重记录
diff --git a/src/users/users.service.ts b/src/users/users.service.ts
index ac65a6d..72c7416 100644
--- a/src/users/users.service.ts
+++ b/src/users/users.service.ts
@@ -87,10 +87,10 @@ export class UsersService {
     private readonly configService: ConfigService,
   ) { }
 
-  async getProfile(user: AccessTokenPayload): Promise<UserResponseDto> {
+  async getProfile(user: AccessTokenPayload, appVersion?: string): Promise<UserResponseDto> {
     try {
       // 使用NestJS Logger (会通过winston输出)
-      this.logger.log(`getProfile: ${JSON.stringify(user)}`);
+      this.logger.log(`getProfile: ${JSON.stringify(user)}, appVersion: ${appVersion}`);
 
       // 也可以直接使用winston logger
       this.winstonLogger.info('getProfile method called', {
@@ -111,8 +111,13 @@ export class UsersService {
         };
       }
 
-      // 更新用户最后登录时间
+      // 更新用户最后登录时间和版本信息
       existingUser.lastLogin = new Date();
+      if (appVersion && existingUser.appVersion !== appVersion) {
+        const oldVersion = existingUser.appVersion;
+        existingUser.appVersion = appVersion;
+        this.logger.log(`用户 ${existingUser.id} 版本更新: ${oldVersion || '无'} -> ${appVersion}`);
+      }
       await existingUser.save();
 
       const [profile] = await this.userProfileModel.findOrCreate({
@@ -136,6 +141,7 @@ export class UsersService {
         maxUsageCount: DEFAULT_FREE_USAGE_COUNT,
         isVip: existingUser.isVip,
         gender: existingUser.gender,
+        appVersion: existingUser.appVersion,
         dailyStepsGoal: profile?.dailyStepsGoal,
         dailyCaloriesGoal: profile?.dailyCaloriesGoal,
         pilatesPurposes: profile?.pilatesPurposes,