fix

src/QEditor.jsx

@@ -290,7 +290,7 @@ export default class QEditor extends React.Component {
                             onChangeSelection={(range, source, editor) => {
                                 // console.log(range, source, editor.getText());
                             }}
-                            scrollingContainer={'body'}
+                            scrollingContainer={document.getElementsByTagName('html')[0]}
                         />
                     </div>
                     <EditorModal