'' to null

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

@@ -18,7 +18,7 @@ export const botInstallationStep = {
 const CustomBotWithoutProxySettingsAccordion = ({
   appContainer, activeStep,
   slackSigningSecret, slackSigningSecretEnv, slackBotToken, slackBotTokenEnv,
-  isRegisterSlackCredentials, isSendTestMessage,
+  isRegisterSlackCredentials, isSendTestMessage, isConnectedToSlack,
   onSetSlackSigningSecret, onSetSlackBotToken, onSetIsSendTestMessage, onSetIsRegisterSlackCredentials,
 }) => {
   const { t } = useTranslation();
@@ -39,10 +39,11 @@ const CustomBotWithoutProxySettingsAccordion = ({
         currentBotType,
       });
 
-      onSetIsRegisterSlackCredentials(true);
-      if (slackSigningSecret === '' || slackBotToken === '') {
-        onSetIsRegisterSlackCredentials(false);
-        onSetIsSendTestMessage(false);
+      if (isConnectedToSlack) {
+        return (
+          onSetIsRegisterSlackCredentials(true),
+          onSetIsSendTestMessage(true)
+        );
       }
 
       toastSuccess(t('toaster.update_successed', { target: t('admin:slack_integration.custom_bot_without_proxy_settings') }));
@@ -214,6 +215,7 @@ CustomBotWithoutProxySettingsAccordion.propTypes = {
   slackBotTokenEnv: PropTypes.string,
   isRegisterSlackCredentials: PropTypes.bool,
   isSendTestMessage: PropTypes.bool,
+  isConnectedToSlack: PropTypes.bool,
   onSetSlackSigningSecret: PropTypes.func,
   onSetSlackBotToken: PropTypes.func,
   onSetIsSendTestMessage: PropTypes.func,

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

@@ -87,8 +87,8 @@ const SlackIntegration = (props) => {
       setSelectedBotType(null);
       toastSuccess(t('admin:slack_integration.bot_reset_successful'));
       setIsRegisterSlackCredentials(false);
-      setSlackSigningSecret('');
-      setSlackBotToken('');
+      setSlackSigningSecret(null);
+      setSlackBotToken(null);
       setIsSendTestMessage(false);
     }
     catch (err) {