diff --git a/CHANGELOG.md b/CHANGELOG.md
index cce49d8..0746652 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.0.3] - 2026-05-26
+
+### 新功能
+- 新增用户自助注册功能，在官网 /register/ 填写门店信息即可完成注册，系统自动生成门店编码（S000001 格式）
+- 支持 Windows 桌面客户端构建与发布（需配置 Windows CI Runner）
+
+### 修复
+- 商品标签打印改为竖向 20mm×38mm 布局，修复标签内容旋转 90° 问题
+
 ## [1.0.2] - 2026-05-25
 
 ### 修复
diff --git a/backend/config/version.yaml b/backend/config/version.yaml
index 68eae8d..dcf6363 100644
--- a/backend/config/version.yaml
+++ b/backend/config/version.yaml
@@ -1,7 +1,7 @@
-version: "1.0.0"
-build_number: 1
+version: "1.0.3"
+build_number: 4
 force_update: false
-release_notes: "初始版本发布，完成核心库存管理功能。"
+release_notes: "新增用户自助注册功能；商品标签打印修复竖向 20mm×38mm 布局"
 download_urls:
   macos: ""
   windows: ""
diff --git a/client/pubspec.yaml b/client/pubspec.yaml
index 1f3e5bf..91b7637 100644
--- a/client/pubspec.yaml
+++ b/client/pubspec.yaml
@@ -1,7 +1,7 @@
 name: jiu_client
 description: 酒库管理系统 - 酒店仓库管理
 publish_to: 'none'
-version: 1.0.0+1
+version: 1.0.3+1
 
 environment:
   sdk: '>=3.0.0 <4.0.0'