diff --git a/_docs/10-download-releases.md b/_docs/10-download-releases.md
index 3f8d12e..ae387a1 100644
--- a/_docs/10-download-releases.md
+++ b/_docs/10-download-releases.md
@@ -24,7 +24,14 @@
 
 # Download links
 
-Use the links below to download the Apache RocketMQ Releases, the latest release is 4.5.0.
+Use the links below to download the Apache RocketMQ Releases, the latest release is 4.5.1.
+
+## 4.5.1 release
+
+* Released May 13, 2019
+* [Release Notes](/release_notes/release-notes-4.5.1)
+* Source: [rocketmq-all-4.5.1-source-release.zip](https://www.apache.org/dyn/closer.cgi?path=rocketmq/4.5.1/rocketmq-all-4.5.1-source-release.zip) [[PGP](https://www.apache.org/dist/rocketmq/4.5.1/rocketmq-all-4.5.1-source-release.zip.asc)] [[SHA512](https://www.apache.org/dist/rocketmq/4.5.1/rocketmq-all-4.5.1-source-release.zip.sha512)]
+* Binary: [rocketmq-all-4.5.1-bin-release.zip](https://www.apache.org/dyn/closer.cgi?path=rocketmq/4.5.1/rocketmq-all-4.5.1-bin-release.zip) [[PGP](https://www.apache.org/dist/rocketmq/4.5.1/rocketmq-all-4.5.1-bin-release.zip.asc)] [[SHA512](https://www.apache.org/dist/rocketmq/4.5.1/rocketmq-all-4.5.1-bin-release.zip.sha512)]
 
 ## 4.5.0 release
 
diff --git a/_pages/community.md b/_pages/community.md
index 70b2a60..5260d6b 100644
--- a/_pages/community.md
+++ b/_pages/community.md
@@ -8,7 +8,7 @@
   cta_label: "<i class='fa fa-rocket'></i> Getting Started"
   cta_url: "/docs/quick-start/"
   caption:
-excerpt: 'Apache RocketMQ™ is an open source distributed messaging and streaming data platform.<br /> <small><a href="/release_notes/release-notes-4.5.0/">Latest release v4.5.0</a></small><br /><br /> {::nomarkdown}<iframe style="display: inline-block;" src="https://ghbtns.com/github-btn.html?user=apache&repo=rocketmq&type=star&count=true&size=large" frameborder="0" scrolling="0" width="160px" height="30px"></iframe> <iframe style="display: inline-block;" src="https://ghbtns.com/github-btn.html?user=apache&repo=rocketmq&type=fork&count=true&size=large" frameborder="0" scrolling="0" width="158px" height="30px"></iframe>{:/nomarkdown}'
+excerpt: 'Apache RocketMQ™ is an open source distributed messaging and streaming data platform.<br /> <small><a href="/release_notes/release-notes-4.5.1/">Latest release v4.5.1</a></small><br /><br /> {::nomarkdown}<iframe style="display: inline-block;" src="https://ghbtns.com/github-btn.html?user=apache&repo=rocketmq&type=star&count=true&size=large" frameborder="0" scrolling="0" width="160px" height="30px"></iframe> <iframe style="display: inline-block;" src="https://ghbtns.com/github-btn.html?user=apache&repo=rocketmq&type=fork&count=true&size=large" frameborder="0" scrolling="0" width="158px" height="30px"></iframe>{:/nomarkdown}'
 ---
 {% include feature_row id="intro" type="center" %}
 
diff --git a/_pages/users.md b/_pages/users.md
index 27fb77c..a696778 100644
--- a/_pages/users.md
+++ b/_pages/users.md
@@ -8,7 +8,7 @@
   cta_label: "<i class='fa fa-rocket'></i> Getting Started"
   cta_url: "/docs/quick-start/"
   caption:
-excerpt: 'Apache RocketMQ™ is an open source distributed messaging and streaming data platform.<br /> <small><a href="/release_notes/release-notes-4.5.0/">Latest release v4.5.0</a></small><br /><br /> {::nomarkdown}<iframe style="display: inline-block;" src="https://ghbtns.com/github-btn.html?user=apache&repo=rocketmq&type=star&count=true&size=large" frameborder="0" scrolling="0" width="160px" height="30px"></iframe> <iframe style="display: inline-block;" src="https://ghbtns.com/github-btn.html?user=apache&repo=rocketmq&type=fork&count=true&size=large" frameborder="0" scrolling="0" width="158px" height="30px"></iframe>{:/nomarkdown}'
+excerpt: 'Apache RocketMQ™ is an open source distributed messaging and streaming data platform.<br /> <small><a href="/release_notes/release-notes-4.5.1/">Latest release v4.5.1</a></small><br /><br /> {::nomarkdown}<iframe style="display: inline-block;" src="https://ghbtns.com/github-btn.html?user=apache&repo=rocketmq&type=star&count=true&size=large" frameborder="0" scrolling="0" width="160px" height="30px"></iframe> <iframe style="display: inline-block;" src="https://ghbtns.com/github-btn.html?user=apache&repo=rocketmq&type=fork&count=true&size=large" frameborder="0" scrolling="0" width="158px" height="30px"></iframe>{:/nomarkdown}'
 feature_row:
   - image_path: /assets/images/community/alibaba-logo.png
     alt: "Alibaba Group"
diff --git a/_posts/2019-05-13-release-notes-4.5.1.md b/_posts/2019-05-13-release-notes-4.5.1.md
new file mode 100644
index 0000000..3763549
--- /dev/null
+++ b/_posts/2019-05-13-release-notes-4.5.1.md
@@ -0,0 +1,39 @@
+---
+title: "Release Notes - Apache RocketMQ - Version 4.5.1"
+categories:
+  - Release_Notes
+tags:
+  - Release_Notes
+  - RocketMQ
+  - Version
+---
+
+Below is a summary of the issues addressed in the 4.5.1 release of RocketMQ. For full documentation of the release, a guide to get started, please refer to <a href='/docs/quick-start/'>Quick Start</a>.
+
+
+<h2> Download the 4.5.0 release</h2>
+    
+* Source: [rocketmq-all-4.5.1-source-release.zip](https://www.apache.org/dyn/closer.cgi?path=rocketmq/4.5.1/rocketmq-all-4.5.1-source-release.zip) [[PGP](https://www.apache.org/dist/rocketmq/4.5.1/rocketmq-all-4.5.1-source-release.zip.asc)] [[SHA512](https://www.apache.org/dist/rocketmq/4.5.1/rocketmq-all-4.5.1-source-release.zip.sha512)]
+* Binary: [rocketmq-all-4.5.1-bin-release.zip](https://www.apache.org/dyn/closer.cgi?path=rocketmq/4.5.1/rocketmq-all-4.5.1-bin-release.zip) [[PGP](https://www.apache.org/dist/rocketmq/4.5.1/rocketmq-all-4.5.1-bin-release.zip.asc)] [[SHA512](https://www.apache.org/dist/rocketmq/4.5.1/rocketmq-all-4.5.1-bin-release.zip.sha512)]
+
+## New Fearture
+<ul>
+<li>[<a href='https://github.com/apache/rocketmq/pull/1046'>ISSUE-1046</a>] -  TBD.
+</li>
+</ul>
+
+## Improvement
+<ul>
+<li>[<a href='https://github.com/apache/rocketmq/issues/608'>ISSUE-608</a>] -  TBD.
+</li>
+</ul>
+
+## Bug
+<ul>
+<li>[<a href='https://github.com/apache/rocketmq/issues/1147'>ISSUE-762</a>] -  Fixed the issue that broker will report exception if open the aclEnable and enableDLegerCommitLog flag at the same time.
+</li>
+</ul>
+                                        
+            
+
+