diff --git a/packages/doc/src/components/markdown/index.tsx b/packages/doc/src/components/markdown/index.tsx
index abb93332..52c09dd6 100644
--- a/packages/doc/src/components/markdown/index.tsx
+++ b/packages/doc/src/components/markdown/index.tsx
@@ -62,7 +62,10 @@ function copyAction() {
     const timer = null
     item.onclick = () => {
       if (timer) return
-      const parent = item.parentNode
+      let parent = item.parentNode
+      if (parent.className !== 'code-box') {
+        parent = parent.parentNode
+      }
       const code = parent.querySelectorAll('pre code')[0]
       copyToClipboard(code.innerText)
       toast.success('复制成功！', {