diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d437bfebf..5f889d965d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,55 @@
 
 # Changelog
 
+## [Version 2.1.51](https://github.com/lobehub/lobe-chat/compare/v0.0.0-nightly.pr13850.8503...v2.1.51)
+
+<sup>Released on **2026-04-16**</sup>
+
+#### 👷 Build System
+
+- **database**: add document history schema.
+- **database**: add document history schema.
+
+#### 🐛 Bug Fixes
+
+- **misc**: fix minify cli.
+- **misc**: recent delete.
+- **deps**: pin @react-pdf/image to 3.0.4 to avoid privatized @react-pdf/svg.
+- **database**: enforce document history ownership and pagination.
+
+#### ✨ Features
+
+- **database**: add document history table and update related models.
+
+<br/>
+
+<details>
+<summary><kbd>Improvements and Fixes</kbd></summary>
+
+#### Build System
+
+- **database**: add document history schema, closes [#13789](https://github.com/lobehub/lobe-chat/issues/13789) ([c1174d3](https://github.com/lobehub/lobe-chat/commit/c1174d3))
+- **database**: add document history schema ([e3eef04](https://github.com/lobehub/lobe-chat/commit/e3eef04))
+
+#### What's fixed
+
+- **misc**: fix minify cli, closes [#13888](https://github.com/lobehub/lobe-chat/issues/13888) ([cb4ad01](https://github.com/lobehub/lobe-chat/commit/cb4ad01))
+- **misc**: recent delete, closes [#13878](https://github.com/lobehub/lobe-chat/issues/13878) ([85227cf](https://github.com/lobehub/lobe-chat/commit/85227cf))
+- **deps**: pin @react-pdf/image to 3.0.4 to avoid privatized @react-pdf/svg ([d526b40](https://github.com/lobehub/lobe-chat/commit/d526b40))
+- **database**: enforce document history ownership and pagination ([b9c4b87](https://github.com/lobehub/lobe-chat/commit/b9c4b87))
+
+#### What's improved
+
+- **database**: add document history table and update related models ([64fc6d4](https://github.com/lobehub/lobe-chat/commit/64fc6d4))
+
+</details>
+
+<div align="right">
+
+[![](https://img.shields.io/badge/-BACK_TO_TOP-151515?style=flat-square)](#readme-top)
+
+</div>
+
 ## [Version 2.1.50](https://github.com/lobehub/lobe-chat/compare/v2.1.49...v2.1.50)
 
 <sup>Released on **2026-04-16**</sup>
diff --git a/changelog/v2.json b/changelog/v2.json
index a20f53c5b6..f414776898 100644
--- a/changelog/v2.json
+++ b/changelog/v2.json
@@ -1,4 +1,11 @@
 [
+  {
+    "children": {
+      "fixes": ["fix minify cli.", "recent delete."]
+    },
+    "date": "2026-04-16",
+    "version": "2.1.51"
+  },
   {
     "children": {},
     "date": "2026-04-16",
diff --git a/package.json b/package.json
index cc8f8784fc..7e0fbcd749 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@lobehub/lobehub",
-  "version": "2.1.50",
+  "version": "2.1.51",
   "description": "LobeHub - an open-source,comprehensive AI Agent framework that supports speech synthesis, multimodal, and extensible Function Call plugin system. Supports one-click free deployment of your private ChatGPT/LLM web application.",
   "keywords": [
     "framework",