diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 61b1d572..09c7bc5b 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -37,7 +37,9 @@
       "Bash(git -C \"c:\\Users\\dong\\Desktop\\rwadurian\" status)",
       "Bash(git -C \"c:\\Users\\dong\\Desktop\\rwadurian\" add -A)",
       "Bash(git -C \"c:\\Users\\dong\\Desktop\\rwadurian\" commit -m \"$(cat <<''EOF''\nrefactor(identity): remove province/city/address fields\n\n- Remove provinceCode, cityCode, address from UserAccount aggregate\n- Remove ProvinceCode, CityCode value objects\n- Remove UserLocationUpdatedEvent domain event\n- Update Prisma schema to drop province/city/address columns\n- Update repository, mapper, handlers, services and DTOs\n- Clean up tests and factory files\n\nProvince/city should belong to adoption-service as transaction data,\nnot identity-service user data.\n\n🤖 Generated with [Claude Code](https://claude.com/claude-code)\n\nCo-Authored-By: Claude <noreply@anthropic.com>\nEOF\n)\")",
-      "Bash(git -C \"c:\\Users\\dong\\Desktop\\rwadurian\" push)"
+      "Bash(git -C \"c:\\Users\\dong\\Desktop\\rwadurian\" push)",
+      "Bash(git -C \"c:\\Users\\dong\\Desktop\\rwadurian\" commit -m \"$(cat <<''EOF''\nfix(identity): update migration to TEXT avatar and remove province/city/address\n\n- Change avatar_url column from VARCHAR(500) to TEXT\n- Remove province_code, city_code, address columns from user_accounts\n- Remove idx_province_city index\n\n🤖 Generated with [Claude Code](https://claude.com/claude-code)\n\nCo-Authored-By: Claude <noreply@anthropic.com>\nEOF\n)\")",
+      "Bash(git -C \"c:\\Users\\dong\\Desktop\\rwadurian\" commit -m \"$(cat <<''EOF''\nfix(identity): remove address from updateProfile and fix deviceInfo type\n\n- Remove dto.address parameter from updateProfile controller\n- Remove address property from updateProfile service\n- Fix deviceInfo JSON serialization for Prisma InputJsonValue type\n\n🤖 Generated with [Claude Code](https://claude.com/claude-code)\n\nCo-Authored-By: Claude <noreply@anthropic.com>\nEOF\n)\")"
     ],
     "deny": [],
     "ask": []
diff --git a/backend/services/identity-service/src/api/controllers/user-account.controller.ts b/backend/services/identity-service/src/api/controllers/user-account.controller.ts
index 9457a699..ea56b55b 100644
--- a/backend/services/identity-service/src/api/controllers/user-account.controller.ts
+++ b/backend/services/identity-service/src/api/controllers/user-account.controller.ts
@@ -124,7 +124,7 @@ export class UserAccountController {
   @ApiOperation({ summary: '更新用户资料' })
   async updateProfile(@CurrentUser() user: CurrentUserData, @Body() dto: UpdateProfileDto) {
     await this.userService.updateProfile(
-      new UpdateProfileCommand(user.userId, dto.nickname, dto.avatarUrl, dto.address),
+      new UpdateProfileCommand(user.userId, dto.nickname, dto.avatarUrl),
     );
     return { message: '更新成功' };
   }
diff --git a/backend/services/identity-service/src/application/services/user-application.service.ts b/backend/services/identity-service/src/application/services/user-application.service.ts
index 143b4b83..b66b1ba3 100644
--- a/backend/services/identity-service/src/application/services/user-application.service.ts
+++ b/backend/services/identity-service/src/application/services/user-application.service.ts
@@ -371,7 +371,6 @@ export class UserApplicationService {
     account.updateProfile({
       nickname: command.nickname,
       avatarUrl: command.avatarUrl,
-      address: command.address,
     });
 
     await this.userRepository.save(account);
diff --git a/backend/services/identity-service/src/infrastructure/persistence/repositories/user-account.repository.impl.ts b/backend/services/identity-service/src/infrastructure/persistence/repositories/user-account.repository.impl.ts
index c32d4d1e..34578861 100644
--- a/backend/services/identity-service/src/infrastructure/persistence/repositories/user-account.repository.impl.ts
+++ b/backend/services/identity-service/src/infrastructure/persistence/repositories/user-account.repository.impl.ts
@@ -76,7 +76,7 @@ export class UserAccountRepositoryImpl implements UserAccountRepository {
               userId: savedUserId,
               deviceId: d.deviceId,
               deviceName: d.deviceName,
-              deviceInfo: d.deviceInfo || null,  // 100% 保存完整 JSON
+              deviceInfo: d.deviceInfo ? JSON.parse(JSON.stringify(d.deviceInfo)) : null,  // 100% 保存完整 JSON
               platform: (info as any).platform || null,
               deviceModel: (info as any).model || null,
               osVersion: (info as any).osVersion || null,