diff --git a/packages/core/client/src/route-switch/antd/admin-layout/index.tsx b/packages/core/client/src/route-switch/antd/admin-layout/index.tsx
index 8d7b35d444..732a4c8f5b 100644
--- a/packages/core/client/src/route-switch/antd/admin-layout/index.tsx
+++ b/packages/core/client/src/route-switch/antd/admin-layout/index.tsx
@@ -154,7 +154,10 @@ const layoutContentClass = css`
   display: flex;
   flex-direction: column;
   position: relative;
+  /* 基础高度（所有浏览器支持） */
   height: calc(100vh - var(--nb-header-height));
+  /* 动态视口高度（现代浏览器支持） */
+  height: calc(100dvh - var(--nb-header-height));
   > div {
     position: relative;
   }