Update release note to release rocketmq 4.5.1
diff --git a/_posts/2019-05-13-release-notes-4.5.1.md b/_posts/2019-05-13-release-notes-4.5.1.md
index 3763549..6cc7dc3 100644
--- a/_posts/2019-05-13-release-notes-4.5.1.md
+++ b/_posts/2019-05-13-release-notes-4.5.1.md
@@ -18,19 +18,31 @@
## New Fearture
<ul>
-<li>[<a href='https://github.com/apache/rocketmq/pull/1046'>ISSUE-1046</a>] - TBD.
+<li>[<a href='https://github.com/apache/rocketmq/pull/1175'>ISSUE-1174</a>] - Support domain host for name server.
</li>
</ul>
## Improvement
<ul>
-<li>[<a href='https://github.com/apache/rocketmq/issues/608'>ISSUE-608</a>] - TBD.
+<li>[<a href='https://github.com/apache/rocketmq/pulls?utf8=%E2%9C%93&q=is%3Apr+is%3Aclosed+milestone%3A4.5.1+RIP-9'>RIP-9</a>] - Provide RocketMQ Developer's Guide in English and Chinese.
+</li>
+<li>[<a href='https://github.com/apache/rocketmq/pulls?utf8=%E2%9C%93&q=is%3Apr+is%3Aclosed+milestone%3A4.5.1+RIP-10'>RIP-10</a>] - Add unit test cases.
+</li>
+<li>[<a href='https://github.com/apache/rocketmq/pull/1129'>ISSUE-1129</a>] - Change the release package style to rocketmq-{version}.
+</li>
+<li>[<a href='https://github.com/apache/rocketmq/issues/1138'>ISSUE-1138</a>] - Deprecate admin interface exposed in producer/consumer.
+</li>
+<li>[<a href='https://github.com/apache/rocketmq/pull/1201'>ISSUE-1200</a>] - Polish default message trace topic trace.
</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>[<a href='https://github.com/apache/rocketmq/issues/1078'>ISSUE-1078</a>] - Fixed the issue that User can't use mqadmin command normally if they don't copy the tool.yml file to related fold and AclEnable flag is closed.
+</li>
+<li>[<a href='https://github.com/apache/rocketmq/issues/1147'>ISSUE-1147</a>] - Fixed the issue that broker will report exception if open the aclEnable and enableDLegerCommitLog flag at the same time.
+</li>
+<li>[<a href='https://github.com/apache/rocketmq/issues/1164'>ISSUE-1164</a>] - Fixed the issue that Consumer Instance can't consume message from slave when cluster is in the high level tps when master has been killed.
</li>
</ul>
