diff --git a/lib/webadmin/router/config.js b/lib/webadmin/router/config.js
index 1eaa1b0..9d7688b 100644
--- a/lib/webadmin/router/config.js
+++ b/lib/webadmin/router/config.js
@@ -79,9 +79,15 @@ async function modemAdd(req, res) {
         name: (req.body.name || '').trim(),
         imsi: (req.body.imsi || '').trim(),
         outgoing: !!req.body.outgoing,
-        prefix: (req.body.prefix || '').split(/[, ]+/).map((val) => val.trim().replace(/^0/, '62')).filter((row) => row),
+        prefix: (req.body.prefix || '').split(/[, ]+/)
+            .map((val) => val.trim().replace(/^0/, '62'))
+            .filter((row) => row),
     };
-    const index = config.modems.find((item) => item.name.toUpperCase() === modem.name.toUpperCase());
+
+    const index = config.modems.find(
+        (item) => item.name.toUpperCase() === modem.name.toUpperCase(),
+    );
+
     if (index >= 0) {
         res.end('Modem duplikat');
         return;
@@ -95,7 +101,10 @@ async function modemAdd(req, res) {
 
 async function modemAddPrefix(req, res) {
     const modemName = (req.body.name || '').trim();
-    const prefix = (req.body.prefix || '').split(/[, ]+/).map((val) => val.trim().replace(/^0/, '62')).filter((row) => row);
+    const prefix = (req.body.prefix || '').split(/[, ]+/)
+        .map((val) => val.trim().replace(/^0/, '62'))
+        .filter((row) => row);
+
     const index = config.modems.findIndex(
         (item) => item.name.toUpperCase() === modemName.toUpperCase(),
     );
@@ -143,9 +152,10 @@ async function modemUpdateCustomIp(req, res) {
     const index = config.modems.findIndex(
         (item) => item.name.toUpperCase() === modemName.toUpperCase(),
     );
+
     config.modems[index].url = url;
     config.modems[index].username = username;
-    config.modems[index].password = password; 
+    config.modems[index].password = password;
 
     if (index < 0) {
         res.end('Modem tidak ditemukan');