diff --git a/docs/_config.yml b/docs/_config.yml
index 3b2db25..d865374 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -28,11 +28,13 @@ github_username:  asplingzhang
 google_analytics: G-HDGMRC9MQ1
 
 # Build settings
-theme: jekyll-theme-cayman
+#theme: jekyll-theme-cayman
+theme: jekyll/cayman
 # Change the format of url to asplingzhang.github.io/categories/title,rather than asplingzhang.github.io/category/2022/02/23/title.
 permalink: /:categories/:title/
 plugins:
   - jekyll-feed
+  - jekyll-remote-theme
 
 # Exclude from processing.
 # The following items will not be processed, by default.