release go sdk 2.1.0
diff --git a/_posts/2021-03-17-release-notes-rocketmq-client-go-2.1.0.md b/_posts/2021-03-17-release-notes-rocketmq-client-go-2.1.0.md
index af00663..0d39d41 100644
--- a/_posts/2021-03-17-release-notes-rocketmq-client-go-2.1.0.md
+++ b/_posts/2021-03-17-release-notes-rocketmq-client-go-2.1.0.md
@@ -13,7 +13,7 @@
<h2> Download the 2.1.0 release</h2>
-* Source: [rocketmq-client-go-2.1.0-source-release.tar.gz](https://www.apache.org/dyn/closer.cgi?path=rocketmq/rocketmq-client-go/2.1.0/rocketmq-client-go-2.1.0-source-release.tar.gz) [[PGP](https://www.apache.org/dist/rocketmq/rocketmq-client-go/2.1.0/rocketmq-client-go-2.0.0-source-release.tar.gz.asc)] [[SHA512](https://www.apache.org/dist/rocketmq/rocketmq-client-go/2.1.0/rocketmq-client-go-2.1.0-source-release.tar.gz.sha512)]
+* Source: [rocketmq-client-go-2.1.0-source-release.tar.gz](https://www.apache.org/dyn/closer.cgi?path=rocketmq/rocketmq-client-go/2.1.0/rocketmq-client-go-2.1.0-source-release.tar.gz) [[PGP](https://www.apache.org/dist/rocketmq/rocketmq-client-go/2.1.0/rocketmq-client-go-2.1.0-source-release.tar.gz.asc)] [[SHA512](https://www.apache.org/dist/rocketmq/rocketmq-client-go/2.1.0/rocketmq-client-go-2.1.0-source-release.tar.gz.sha512)]
## Improvement
<ul>
