diff --git a/CHANGELOG.en-US.md b/CHANGELOG.en-US.md
index af3bc0c06b5..6c81962d24c 100644
--- a/CHANGELOG.en-US.md
+++ b/CHANGELOG.en-US.md
@@ -4,6 +4,7 @@
 
 ### Fixes
 
+- Fix `n-button` causes crash when it's imported in script inside head tag. [#68](https://github.com/TuSimple/naive-ui/pull/68)
 - Fix `n-spin` animation shifts.
 
 ## 2.11.5 (2021-06-10)
diff --git a/CHANGELOG.zh-CN.md b/CHANGELOG.zh-CN.md
index db6787a51e4..b52d4bf20df 100644
--- a/CHANGELOG.zh-CN.md
+++ b/CHANGELOG.zh-CN.md
@@ -4,6 +4,7 @@
 
 ### Fixes
 
+- 修正 `n-button` 在 head 内部的 script 被引入造成崩溃 [#68](https://github.com/TuSimple/naive-ui/pull/68)
 - 修正 `n-spin` 动画闪烁
 
 ## 2.11.5 (2021-06-10)
diff --git a/src/button/src/styles/button.cssr.ts b/src/button/src/styles/button.cssr.ts
index 93ea0bfdfe6..f76245303da 100644
--- a/src/button/src/styles/button.cssr.ts
+++ b/src/button/src/styles/button.cssr.ts
@@ -154,7 +154,7 @@ export default c([
         animationName: 'button-wave-spread, button-wave-opacity'
       })
     ]),
-    (typeof window !== 'undefined' && 'MozBoxSizing' in document.body.style)
+    (typeof window !== 'undefined' && 'MozBoxSizing' in document.createElement('div').style)
       ? c('&::moz-focus-inner', {
         border: 0
       })