diff --git a/packages/services/conversation-service/src/app.module.ts b/packages/services/conversation-service/src/app.module.ts
index aa53e22..0e96585 100644
--- a/packages/services/conversation-service/src/app.module.ts
+++ b/packages/services/conversation-service/src/app.module.ts
@@ -25,8 +25,8 @@ import { HealthModule } from './health/health.module';
         password: configService.get('POSTGRES_PASSWORD'),
         database: configService.get('POSTGRES_DB', 'iconsulting'),
         entities: [__dirname + '/**/*.entity{.ts,.js}'],
-        // 自动同步数据库schema - 确保Entity与数据库100%一致
-        synchronize: true,
+        // 生产环境禁用synchronize，使用init-db.sql初始化schema
+        synchronize: false,
         logging: configService.get('NODE_ENV') === 'development',
       }),
     }),