diff --git a/CHANGELOG-site.md b/CHANGELOG-site.md
index a112a76..a640391 100644
--- a/CHANGELOG-site.md
+++ b/CHANGELOG-site.md
@@ -6,6 +6,11 @@
 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).
 
+## [1.1.3] - 2026-07-03
+
+### 改进
+- 页脚展示 ICP 备案号（京ICP备2026039814号），链接工信部备案查询。
+
 ## [1.1.2] - 2026-07-03
 
 ### 新功能
diff --git a/web/_data/site.json b/web/_data/site.json
index 75db653..3524e81 100644
--- a/web/_data/site.json
+++ b/web/_data/site.json
@@ -2,7 +2,7 @@
   "name": "岩美酒库管理系统",
   "tagline": "为酒行与酒店设计的库存管理平台",
   "copyright": "© 2026 岩美科技 · 保留所有权利",
-  "icp": "",
+  "icp": "京ICP备2026039814号",
   "support": {
     "email": "yammy2023@163.com",
     "wechat": ""