diff --git a/src/plugins/common/react/ReactPlainText.tsx b/src/plugins/common/react/ReactPlainText.tsx
index e115c1b9..bd851427 100644
--- a/src/plugins/common/react/ReactPlainText.tsx
+++ b/src/plugins/common/react/ReactPlainText.tsx
@@ -51,6 +51,7 @@ const ReactPlainText = memo<ReactPlainTextProps>(
     onCompositionEnd,
     onContextMenu,
     onTextChange,
+    spellCheck,
   }) => {
     const isChat = variant === 'chat';
     const {
@@ -243,6 +244,7 @@ const ReactPlainText = memo<ReactPlainTextProps>(
           onContextMenu={handleContextMenu}
           onFocus={handleFocus}
           ref={editorContainerRef}
+          spellCheck={spellCheck}
         />
         <Placeholder lineEmptyPlaceholder={lineEmptyPlaceholder} style={style}>
           {placeholder}
diff --git a/src/plugins/common/react/type.ts b/src/plugins/common/react/type.ts
index cc700b97..b9157bf9 100644
--- a/src/plugins/common/react/type.ts
+++ b/src/plugins/common/react/type.ts
@@ -71,6 +71,12 @@ export interface ReactPlainTextProps {
    * @default true
    */
   pasteVSCodeAsCodeBlock?: boolean;
+  /**
+   * Controls the spellCheck attribute on the contentEditable div.
+   * Setting to false also suppresses Safari/WebKit inline predictive text (Apple Intelligence).
+   * Consumers that don't want spellcheck (e.g. chat input) should pass spellCheck={false} explicitly.
+   */
+  spellCheck?: boolean;
   style?: CSSProperties;
   theme?: CommonPluginOptions['theme'] & {
     fontSize?: number;
diff --git a/src/react/Editor/demos/spellCheck.tsx b/src/react/Editor/demos/spellCheck.tsx
new file mode 100644
index 00000000..df4b39d6
--- /dev/null
+++ b/src/react/Editor/demos/spellCheck.tsx
@@ -0,0 +1,74 @@
+import { Editor, useEditor } from '@lobehub/editor/react';
+import { createStaticStyles } from 'antd-style';
+import { type FC } from 'react';
+
+const styles = createStaticStyles(({ css }) => ({
+  container: css`
+    display: flex;
+    gap: 16px;
+    padding: 16px;
+  `,
+  editor: css`
+    min-height: 120px;
+    padding: 12px;
+    border: 1px solid #d9d9d9;
+    border-radius: 6px;
+  `,
+  label: css`
+    margin-bottom: 8px;
+    font-size: 12px;
+    font-weight: 500;
+    opacity: 0.6;
+  `,
+  wrapper: css`
+    flex: 1;
+  `,
+}));
+
+const SpellCheckOn: FC = () => {
+  const editor = useEditor();
+  return (
+    <div className={styles.wrapper}>
+      <div className={styles.label}>{'spellCheck={true}'} (browser default)</div>
+      <Editor
+        autoFocus
+        className={styles.editor}
+        content={''}
+        editor={editor}
+        placeholder={'Type here — browser spellcheck & Safari predictive text active...'}
+        spellCheck={true}
+        type={'text'}
+        variant={'chat'}
+      />
+    </div>
+  );
+};
+
+const SpellCheckOff: FC = () => {
+  const editor = useEditor();
+  return (
+    <div className={styles.wrapper}>
+      <div className={styles.label}>{'spellCheck={false}'} (recommended for chat input)</div>
+      <Editor
+        className={styles.editor}
+        content={''}
+        editor={editor}
+        placeholder={'Type here — spellcheck & Safari predictive text suppressed...'}
+        spellCheck={false}
+        type={'text'}
+        variant={'chat'}
+      />
+    </div>
+  );
+};
+
+const Demo: FC = () => {
+  return (
+    <div className={styles.container}>
+      <SpellCheckOn />
+      <SpellCheckOff />
+    </div>
+  );
+};
+
+export default Demo;
diff --git a/src/react/Editor/index.md b/src/react/Editor/index.md
index 1f7c180b..e7bd1685 100644
--- a/src/react/Editor/index.md
+++ b/src/react/Editor/index.md
@@ -38,6 +38,15 @@ Force all pasted content to be inserted as plain text, stripping any rich text f
 
 <code src="./demos/pasteAsPlainText.tsx" nopadding iframe></code>
 
+
+## spellCheck — Suppress Safari Inline Predictive Text
+
+Setting `spellCheck={false}` on the editor disables OS-level spellcheck and suppresses
+Safari/WebKit inline predictive text (Apple Intelligence). This is recommended for chat
+input surfaces where the editor provides its own autocomplete.
+
+<code src="./demos/spellCheck.tsx" nopadding></code>
+
 ## APIs
 
 ### Editor