diff --git a/examples/index.tsx b/examples/index.tsx
index 2f36e0e8..c974b1e9 100644
--- a/examples/index.tsx
+++ b/examples/index.tsx
@@ -82,7 +82,7 @@ const BasicLayout = defineComponent({
         isMobile={state.isMobile}
         fixSiderbar={state.fixSiderbar}
         fixedHeader={state.fixedHeader}
-        contentWidth={'Fixed'}
+        contentWidth={'Fluid'}
         primaryColor={'#1890ff'}
         contentStyle={{ minHeight: '300px' }}
         siderWidth={state.sideWidth}
diff --git a/package.json b/package.json
index dfbb71b0..6413555e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ant-design-vue/pro-layout",
-  "version": "3.0.0-beta.11",
+  "version": "3.0.0-beta.12",
   "main": "./lib/index.js",
   "module": "./es/index.js",
   "repository": {
diff --git a/src/BasicLayout.tsx b/src/BasicLayout.tsx
index 9e11fa51..3d723c83 100644
--- a/src/BasicLayout.tsx
+++ b/src/BasicLayout.tsx
@@ -182,7 +182,7 @@ const ProLayout = defineComponent({
           itemRender: breadcrumbRender,
         };
       }),
-      contentWidth: 'Fluid',
+      contentWidth: refProps.contentWidth, // 'Fluid',
       layout: refProps.layout,
       navTheme: refProps.navTheme,
       splitMenus: refProps.splitMenus,