diff --git a/backend/src/restful/node-info.js b/backend/src/restful/node-info.js
index 5b9a890..2630be4 100644
--- a/backend/src/restful/node-info.js
+++ b/backend/src/restful/node-info.js
@@ -22,7 +22,10 @@ async function getNodeInfo(req, res) {
         const info = await $http
             .get({
                 url: `http://ip-api.com/json/${encodeURIComponent(
-                    proxy.server,
+                    proxy.server
+                        .trim()
+                        .replace(/^\[/, '')
+                        .replace(/\]$/, '')
                 )}?lang=${lang}`,
                 headers: {
                     'User-Agent':