diff --git a/components/page-header/index.tsx b/components/page-header/index.tsx
index 5c2148c12a..9411b566e2 100644
--- a/components/page-header/index.tsx
+++ b/components/page-header/index.tsx
@@ -145,7 +145,7 @@ const PageHeader = defineComponent({
           <div class={className}>
             {renderBreadcrumb()}
             {renderTitle()}
-            {children.length && renderChildren(children)}
+            {children.length ? renderChildren(children) : null}
             {renderFooter()}
           </div>
         </ResizeObserver>
diff --git a/v2-doc b/v2-doc
index 6819090fbc..0f6d531d08 160000
--- a/v2-doc
+++ b/v2-doc
@@ -1 +1 @@
-Subproject commit 6819090fbcc94b248bc761d5f26162f29c04b2ef
+Subproject commit 0f6d531d088d5283250c8cec1c7e8be0e0d36a36