diff --git a/package.json b/package.json
index f4f9508..1e23d78 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
     "hexo-generator-category": "^1.0.0",
     "hexo-generator-index": "^1.0.0",
     "hexo-generator-tag": "^1.0.0",
+    "hexo-reading-time": "^1.0.3",
     "hexo-renderer-ejs": "^1.0.0",
     "hexo-renderer-marked": "^2.0.0",
     "hexo-renderer-scss": "^1.2.0",
diff --git a/themes/kayo b/themes/kayo
index 31eda8c..6f9767a 160000
--- a/themes/kayo
+++ b/themes/kayo
@@ -1 +1 @@
-Subproject commit 31eda8c4bd00b4c93e81d8c5c77c6fd0afdbaba8
+Subproject commit 6f9767a5c8a37752440b7fb6f37742922a92d4ce