diff --git a/CHANGELOG.en-US.md b/CHANGELOG.en-US.md
index 4da53bc65a1..44f6b731213 100644
--- a/CHANGELOG.en-US.md
+++ b/CHANGELOG.en-US.md
@@ -5,6 +5,7 @@
 `2024-12-02`
 
 - Fix marquee is not exported with correct name.
+- Fixed 'n-qr-code' size 'attribute not adding' paddding 'attribute, resulting in an issue with the actual width of the graph 
 
 ## 2.40.2
 
diff --git a/CHANGELOG.zh-CN.md b/CHANGELOG.zh-CN.md
index 163dc6a4934..7c88f4b4631 100644
--- a/CHANGELOG.zh-CN.md
+++ b/CHANGELOG.zh-CN.md
@@ -5,6 +5,7 @@
 `2024-12-02`
 
 - 修复 marquee 没有被用正确的名字导出
+- 修复 `n-qr-code` `size` 属性没有累加 `paddding` 属性，导致图形实际宽度有问题
 
 ## 2.40.2
 
diff --git a/src/qr-code/src/QrCode.tsx b/src/qr-code/src/QrCode.tsx
index 364bc44f92a..d36815747fb 100644
--- a/src/qr-code/src/QrCode.tsx
+++ b/src/qr-code/src/QrCode.tsx
@@ -337,8 +337,8 @@ export default defineComponent({
         style={{
           padding: typeof padding === 'number' ? `${padding}px` : padding,
           backgroundColor,
-          width: `${size}px`,
-          height: `${size}px`,
+          width: `${size + padding * 2}px`,
+          height: `${size + padding  * 2}px`,
           ...cssVars
         }}
       >