diff --git a/src/dialog/_example/position.tsx b/src/dialog/_example/position.tsx
index 9ed79bb2ca..f879a777aa 100644
--- a/src/dialog/_example/position.tsx
+++ b/src/dialog/_example/position.tsx
@@ -21,11 +21,11 @@ export default function PositionExample() {
   };
   return (
     <>
-      <Button theme="primary" onClick={() => handleClick('center')} style={{ marginRight: 16 }}>
+      <Button theme="primary" onClick={() => handleClick('top')} style={{ marginRight: 16 }}>
         默认
       </Button>
-      <Button theme="primary" onClick={() => handleClick('top')} style={{ marginRight: 16 }}>
-        顶部
+      <Button theme="primary" onClick={() => handleClick('center')} style={{ marginRight: 16 }}>
+        垂直居中
       </Button>
       <Button
         theme="primary"
diff --git a/test/snap/__snapshots__/csr.test.jsx.snap b/test/snap/__snapshots__/csr.test.jsx.snap
index d018ee65cd..bcd8d016d9 100644
--- a/test/snap/__snapshots__/csr.test.jsx.snap
+++ b/test/snap/__snapshots__/csr.test.jsx.snap
@@ -87434,7 +87434,7 @@ exports[`csr snapshot test > csr test src/dialog/_example/position.tsx 1`] = `
         <span
           class="t-button__text"
         >
-          顶部
+          垂直居中
         </span>
       </button>
       <button
@@ -87480,7 +87480,7 @@ exports[`csr snapshot test > csr test src/dialog/_example/position.tsx 1`] = `
       <span
         class="t-button__text"
       >
-        顶部
+        垂直居中
       </span>
     </button>
     <button
@@ -306377,7 +306377,7 @@ exports[`ssr snapshot test > ssr test src/dialog/_example/modal.tsx 1`] = `"<but
 
 exports[`ssr snapshot test > ssr test src/dialog/_example/plugin.tsx 1`] = `"<div style=\\"gap:16px\\" class=\\"t-space t-space-vertical\\"><div class=\\"t-space-item\\"><p>函数调用方式一：DialogPlugin(options)</p></div><div class=\\"t-space-item\\"><p>函数调用方式二：DialogPlugin.confirm(options)</p></div><div class=\\"t-space-item\\"><p>函数调用方式三：DialogPlugin.alert(options)</p></div><div class=\\"t-space-item\\"><div><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">dialog</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">handleDialogNode</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">confirm</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">alert</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">DialogPlugin.confirm</span></button></div></div></div>"`;
 
-exports[`ssr snapshot test > ssr test src/dialog/_example/position.tsx 1`] = `"<button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">默认</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">顶部</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">自定义</span></button><button type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">超出屏幕</span></button>"`;
+exports[`ssr snapshot test > ssr test src/dialog/_example/position.tsx 1`] = `"<button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">默认</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">垂直居中</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">自定义</span></button><button type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">超出屏幕</span></button>"`;
 
 exports[`ssr snapshot test > ssr test src/dialog/_example/warning.tsx 1`] = `"<div style=\\"gap:16px\\" class=\\"t-space t-space-horizontal t-space--break-line\\"><div class=\\"t-space-item\\"><button type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">提示反馈</span></button></div><div class=\\"t-space-item\\"><button type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">成功反馈</span></button></div><div class=\\"t-space-item\\"><button type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">警示反馈</span></button></div><div class=\\"t-space-item\\"><button type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">错误反馈</span></button></div><div class=\\"t-space-item\\"></div><div class=\\"t-space-item\\"></div><div class=\\"t-space-item\\"></div><div class=\\"t-space-item\\"></div></div>"`;
 
diff --git a/test/snap/__snapshots__/ssr.test.jsx.snap b/test/snap/__snapshots__/ssr.test.jsx.snap
index 5d14d5e9c9..9969859bcb 100644
--- a/test/snap/__snapshots__/ssr.test.jsx.snap
+++ b/test/snap/__snapshots__/ssr.test.jsx.snap
@@ -332,7 +332,7 @@ exports[`ssr snapshot test > ssr test src/dialog/_example/modal.tsx 1`] = `"<but
 
 exports[`ssr snapshot test > ssr test src/dialog/_example/plugin.tsx 1`] = `"<div style=\\"gap:16px\\" class=\\"t-space t-space-vertical\\"><div class=\\"t-space-item\\"><p>函数调用方式一：DialogPlugin(options)</p></div><div class=\\"t-space-item\\"><p>函数调用方式二：DialogPlugin.confirm(options)</p></div><div class=\\"t-space-item\\"><p>函数调用方式三：DialogPlugin.alert(options)</p></div><div class=\\"t-space-item\\"><div><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">dialog</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">handleDialogNode</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">confirm</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">alert</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">DialogPlugin.confirm</span></button></div></div></div>"`;
 
-exports[`ssr snapshot test > ssr test src/dialog/_example/position.tsx 1`] = `"<button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">默认</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">顶部</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">自定义</span></button><button type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">超出屏幕</span></button>"`;
+exports[`ssr snapshot test > ssr test src/dialog/_example/position.tsx 1`] = `"<button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">默认</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">垂直居中</span></button><button style=\\"margin-right:16px\\" type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">自定义</span></button><button type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">超出屏幕</span></button>"`;
 
 exports[`ssr snapshot test > ssr test src/dialog/_example/warning.tsx 1`] = `"<div style=\\"gap:16px\\" class=\\"t-space t-space-horizontal t-space--break-line\\"><div class=\\"t-space-item\\"><button type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">提示反馈</span></button></div><div class=\\"t-space-item\\"><button type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">成功反馈</span></button></div><div class=\\"t-space-item\\"><button type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">警示反馈</span></button></div><div class=\\"t-space-item\\"><button type=\\"button\\" class=\\"t-button t-button--theme-primary t-button--variant-base\\"><span class=\\"t-button__text\\">错误反馈</span></button></div><div class=\\"t-space-item\\"></div><div class=\\"t-space-item\\"></div><div class=\\"t-space-item\\"></div><div class=\\"t-space-item\\"></div></div>"`;