ok

src/server/routes/apiv3/slack-integration-settings.js

@@ -107,6 +107,9 @@ module.exports = (crowi) => {
 
   async function postRelationTest(token) {
     const proxyUri = crowi.configManager.getConfig('crowi', 'slackbot:proxyServerUri');
+    if (proxyUri == null) {
+      throw new Error('Proxy URL is not registered');
+    }
 
     const result = await axios.get(urljoin(proxyUri, '/g2s/relation-test'), {
       headers: {