diff --git a/src/runtime/markdown-parser/handler/list.ts b/src/runtime/markdown-parser/handler/list.ts
index 22e680972..2221b3528 100644
--- a/src/runtime/markdown-parser/handler/list.ts
+++ b/src/runtime/markdown-parser/handler/list.ts
@@ -5,7 +5,9 @@ import { wrap } from './utils'
 
 type Node = MdastNode & {
   ordered?: boolean
-  start?: number
+  start?: number,
+  checked?: boolean
+  children: Node[]
 }
 
 export default function list (h: H, node: Node) {
@@ -16,5 +18,10 @@ export default function list (h: H, node: Node) {
     props.start = node.start
   }
 
+  // Add class for task list. See: https://github.com/remarkjs/remark-gfm#use
+  if ((node.children || []).some(child => typeof child.checked === 'boolean')) {
+    props.className = ['contains-task-list']
+  }
+
   return h(node, name, props, wrap(all(h, node), true))
 }