Help me bounce native scrolling ios

ionic-v1
1

Hi,problem in bouncing ios. My config:
$ionicConfigProvider.scrolling.jsScrolling(false);
has-bouncing=“false” - not working in ion-content.
Installing plugin wkwebview https://github.com/driftyco/cordova-plugin-wkwebview-engine#installation-instructions
Remove bouncing in native scroll?
My config.xml:

 <preference name="webviewbounce" value="false" />
 <preference name="UIWebViewBounce" value="false" />
 <preference name="DisallowOverscroll" value="true" />

Please help me!