unmountComponentAtNode

public/react/src/context/TPIContextProvider.js

@@ -104,6 +104,7 @@ class TPIContextProvider extends Component {
 	showEffectDisplay = (data) => {
 		const dom = document.getElementById('picture_display');
 		window.$(dom).show();
+		ReactDOM.unmountComponentAtNode(dom)
   		ReactDOM.render(<EvaluateSuccessEffectDisplay type={"qrcode"} {...data} />, dom);
 	}