diff --git a/backend/routes/mikrotikConfigRoutes.js b/backend/routes/mikrotikConfigRoutes.js
index bc8a581..6d437a1 100644
--- a/backend/routes/mikrotikConfigRoutes.js
+++ b/backend/routes/mikrotikConfigRoutes.js
@@ -295,8 +295,12 @@ async function runScript(req, res) {
     }
 
     const client = createRosClient(creds);
-    // /rest/system/script/run — запуск скрипта по имени (.id принимает имя скрипта)
-    await client.command('system/script/run', { '.id': script });
+    // Сначала находим скрипт по имени, затем запускаем по .id
+    const scripts = await client.print('system/script');
+    const list = Array.isArray(scripts?.data) ? scripts.data : (scripts?.data ? [scripts.data] : []);
+    const found = list.find(s => (s.name || s['.id']) === script);
+    const scriptId = found ? (found['.id'] || found.name) : script;
+    await client.command('system/script/run', { '.id': scriptId });
 
     return sendOk(res, { ok: true, message: `Скрипт ${script} запущен` });
   } catch (error) {
diff --git a/backend/services/mikrotikApplyService.js b/backend/services/mikrotikApplyService.js
index ff0634d..29cb4aa 100644
--- a/backend/services/mikrotikApplyService.js
+++ b/backend/services/mikrotikApplyService.js
@@ -23,16 +23,19 @@ function createRosClient(opts) {
       const auth = Buffer.from(`${user}:${password || ''}`).toString('base64');
       const cleanPath = (urlPath.startsWith('/') ? urlPath.slice(1) : urlPath).replace(/\\/g, '/');
       const pathStr = `/rest/${cleanPath}`.replace(/\/+/g, '/');
+      const bodyStr = (body !== null && body !== undefined) ? JSON.stringify(body) : '';
+      const headers = {
+        'Content-Type': 'application/json',
+        'Accept': 'application/json',
+        'Authorization': `Basic ${auth}`,
+      };
+      if (bodyStr) headers['Content-Length'] = Buffer.byteLength(bodyStr, 'utf8');
       const options = {
         hostname: host,
         port,
         path: pathStr,
         method,
-        headers: {
-          'Content-Type': 'application/json',
-          'Accept': 'application/json',
-          'Authorization': `Basic ${auth}`,
-        },
+        headers,
         rejectUnauthorized: secure,
       };
 
@@ -57,9 +60,7 @@ function createRosClient(opts) {
       });
 
       req.on('error', reject);
-      if (body !== null && body !== undefined) {
-        req.write(JSON.stringify(body));
-      }
+      if (bodyStr) req.write(bodyStr);
       req.end();
     });
   };