diff --git a/public/react/src/modules/page/VNCContainer.js b/public/react/src/modules/page/VNCContainer.js
index 8164f052a..aa4d82e78 100644
--- a/public/react/src/modules/page/VNCContainer.js
+++ b/public/react/src/modules/page/VNCContainer.js
@@ -38,9 +38,9 @@ class VNCContainer extends Component {
 
 	}
 
-	shouldComponentUpdate () {
-		return false;
-	}
+	// shouldComponentUpdate () {
+	// 	return false;
+	// }
 
 	getSecondDrawerWidth = () => {
 		return $('#game_right_contents').width() - firstDrawerWidth
@@ -337,11 +337,11 @@ class VNCContainer extends Component {
 						width={firstDrawerWidth}
 						closable={false}
 						onClose={this.onBottomDrawerClose}
-						visible={this.state.bottomDrawer}
+						visible={this.state.bottomDrawer===undefined?false:this.state.bottomDrawer}
 						className={'codeEvaluateDrawer'}
 						placement="bottom"
 						getContainer={false}
-						style={{ position: 'absolute', bottom: '25px', zIndex: 1 }}
+						style={{ position: 'absolute', bottom: '-25px', zIndex: 1 }}
 						afterVisibleChange={(visible) => {
 							if (visible) {
 								const canvas = $('.vncDisply canvas')[0]