fix

src/client/js/components/Admin/SlackIntegration/CustomBotWithoutProxySettings.jsx

@@ -61,8 +61,8 @@ const CustomBotWithoutProxySettings = (props) => {
       />
 
       <h2 className="admin-setting-header">{t('admin:slack_integration.integration_procedure')}</h2>
-      <div className={props.slackSigningSecret || props.slackBotToken ? 'px-3 mb-5' : 'px-3 my-5'}>
-        {(props.slackSigningSecret || props.slackBotToken) && (
+      <div className={(props.slackSigningSecret != null || props.slackBotToken != null) ? 'px-3 mb-5' : 'px-3 my-5'}>
+        {(props.slackSigningSecret != null || props.slackBotToken != null) && (
           <div className="d-flex justify-content-end">
             <button
               className="my-3 pull-right btn text-danger border-danger"