diff --git a/README.md b/README.md
index ed921e3..7b824b7 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ marked:
   autolink: true
   sanitizeUrl: false
   headerIds: true
+  lazyload: false
   prependRoot: false
   external_link:
     enable: false
@@ -47,6 +48,7 @@ marked:
 - **autolink** - Enable autolink for URLs. E.g. `https://hexo.io` will become `<a href="https://hexo.io">https://hexo.io</a>`.
 - **sanitizeUrl** - Remove URLs that start with `javascript:`, `vbscript:` and `data:`.
 - **headerIds** - Insert header id, e.g. `<h1 id="value">text</h1>`. Useful for inserting anchor link to each paragraph with a heading.
+- **lazyload** - Lazy loading images via `loading="lazy"` attribute.
 - **prependRoot** - Prepend root value to (internal) image path.
   * Example `_config.yml`:
   ``` yml
diff --git a/index.js b/index.js
index 62662ad..4a82c9b 100644
--- a/index.js
+++ b/index.js
@@ -14,9 +14,9 @@ hexo.config.marked = Object.assign({
   autolink: true,
   sanitizeUrl: false,
   headerIds: true,
+  lazyload: false,
   // TODO: enable prependRoot by default in v3
   prependRoot: false,
-  lazyload: false,
   external_link: {
     enable: false,
     exclude: [],