update the logo
diff --git a/docs-site/docs/releases/RELEASE_NOTES_3.0.0.rc1.md b/docs-site/docs/releases/RELEASE_NOTES_3.0.0.rc1.md
index e40e345..d0aacda 100644
--- a/docs-site/docs/releases/RELEASE_NOTES_3.0.0.rc1.md
+++ b/docs-site/docs/releases/RELEASE_NOTES_3.0.0.rc1.md
@@ -78,7 +78,7 @@
   To enable this feature, use the [Module API](./python/singa/module.py).
 
 - New website based on Docusaurus. The documentation files are moved to a
-  separate repo [singa-doc]](https://github.com/apache/singa-doc). The static
+  separate repo [singa-doc](https://github.com/apache/singa-doc). The static
   website files are stored at
   [singa-site](https://github.com/apache/singa-site).
 
diff --git a/docs-site/website/static/img/singa.png b/docs-site/website/static/img/singa.png
index eb755be..1f030f9 100644
--- a/docs-site/website/static/img/singa.png
+++ b/docs-site/website/static/img/singa.png
Binary files differ
diff --git a/docs-site/website/versioned_docs/version-3.0.0.rc1/releases/RELEASE_NOTES_3.0.0.rc1.md b/docs-site/website/versioned_docs/version-3.0.0.rc1/releases/RELEASE_NOTES_3.0.0.rc1.md
index 1e1c124..8212448 100644
--- a/docs-site/website/versioned_docs/version-3.0.0.rc1/releases/RELEASE_NOTES_3.0.0.rc1.md
+++ b/docs-site/website/versioned_docs/version-3.0.0.rc1/releases/RELEASE_NOTES_3.0.0.rc1.md
@@ -79,7 +79,7 @@
   To enable this feature, use the [Module API](./python/singa/module.py).
 
 - New website based on Docusaurus. The documentation files are moved to a
-  separate repo [singa-doc]](https://github.com/apache/singa-doc). The static
+  separate repo [singa-doc](https://github.com/apache/singa-doc). The static
   website files are stored at
   [singa-site](https://github.com/apache/singa-site).