diff --git a/components/select/__tests__/__snapshots__/demo-extend.test.ts.snap b/components/select/__tests__/__snapshots__/demo-extend.test.ts.snap
index c043a8965e..a0d35eba58 100644
--- a/components/select/__tests__/__snapshots__/demo-extend.test.ts.snap
+++ b/components/select/__tests__/__snapshots__/demo-extend.test.ts.snap
@@ -6076,15 +6076,16 @@ Array [
       </span>
     </label>
     <label
-      class="ant-radio-button-wrapper"
+      class="ant-radio-button-wrapper ant-radio-button-wrapper-checked"
     >
       <span
-        class="ant-radio-button"
+        class="ant-radio-button ant-radio-button-checked"
       >
         <input
+          checked=""
           class="ant-radio-button-input"
           type="radio"
-          value="default"
+          value="middle"
         />
         <span
           class="ant-radio-button-inner"
diff --git a/components/select/__tests__/__snapshots__/demo.test.ts.snap b/components/select/__tests__/__snapshots__/demo.test.ts.snap
index caf985ec5f..346065b22c 100644
--- a/components/select/__tests__/__snapshots__/demo.test.ts.snap
+++ b/components/select/__tests__/__snapshots__/demo.test.ts.snap
@@ -2160,15 +2160,16 @@ Array [
       </span>
     </label>
     <label
-      class="ant-radio-button-wrapper"
+      class="ant-radio-button-wrapper ant-radio-button-wrapper-checked"
     >
       <span
-        class="ant-radio-button"
+        class="ant-radio-button ant-radio-button-checked"
       >
         <input
+          checked=""
           class="ant-radio-button-input"
           type="radio"
-          value="default"
+          value="middle"
         />
         <span
           class="ant-radio-button-inner"
diff --git a/components/select/demo/size.tsx b/components/select/demo/size.tsx
index 94cc82b935..166a0dd779 100644
--- a/components/select/demo/size.tsx
+++ b/components/select/demo/size.tsx
@@ -27,7 +27,7 @@ const App: React.FC = () => {
     <>
       <Radio.Group value={size} onChange={handleSizeChange}>
         <Radio.Button value="large">Large</Radio.Button>
-        <Radio.Button value="default">Default</Radio.Button>
+        <Radio.Button value="middle">Default</Radio.Button>
         <Radio.Button value="small">Small</Radio.Button>
       </Radio.Group>
       <br />