diff --git a/examples/react/components/editor/config.tsx b/examples/react/components/editor/config.tsx
index 4551e19fa..3884c9546 100644
--- a/examples/react/components/editor/config.tsx
+++ b/examples/react/components/editor/config.tsx
@@ -1,4 +1,4 @@
-import { $, removeUnit } from '@aomao/engine';
+import { $, isMobile, removeUnit } from '@aomao/engine';
 import type {
 	PluginEntry,
 	CardEntry,
@@ -35,7 +35,7 @@ import Unorderedlist from '@aomao/plugin-unorderedlist';
 import Indent from '@aomao/plugin-indent';
 // import type { IndentOptions } from '@aomao/plugin-indent';
 import Heading from '@aomao/plugin-heading';
-// import type { HeadingOptions } from '@aomao/plugin-heading';
+import type { HeadingOptions } from '@aomao/plugin-heading';
 import Strikethrough from '@aomao/plugin-strikethrough';
 // import type { StrikethroughOptions } from '@aomao/plugin-strikethrough';
 import Sub from '@aomao/plugin-sub';
@@ -389,7 +389,12 @@ export const toolbarOptions: ToolbarOptions = {
 	},
 };
 
+const headingOptions: HeadingOptions = {
+	showAnchor: isMobile ? false : true,
+};
+
 export const pluginConfig: Record<string, PluginOptions> = {
+	[Heading.pluginName]: headingOptions,
 	[ToolbarPlugin.pluginName]: toolbarOptions,
 	[Table.pluginName]: tableOptions,
 	[MarkRange.pluginName]: markRangeOptions,
diff --git a/examples/react/components/editor/index.less b/examples/react/components/editor/index.less
index 2ae58ff65..44ecc78b7 100644
--- a/examples/react/components/editor/index.less
+++ b/examples/react/components/editor/index.less
@@ -107,7 +107,7 @@
 	@media @mobile {
 		padding: 0;
 		height: auto;
-		overflow: hidden;
+		overflow: inherit;
 	}
 }
 
diff --git a/packages/engine/src/block/index.ts b/packages/engine/src/block/index.ts
index a9ccbfb5a..e782c2e8f 100644
--- a/packages/engine/src/block/index.ts
+++ b/packages/engine/src/block/index.ts
@@ -45,7 +45,7 @@ class Block implements BlockModelInterface {
 				.getHandleListener('backspace', 'keydown')
 				?.on((event) => backspace.trigger(event));
 
-			event.on('keydown:space', (event) => this.triggerMarkdown(event));
+			event.on('keyup:space', (event) => this.triggerMarkdown(event));
 		}
 	}