diff --git a/backend/src/controllers/dynamicApiController.ts b/backend/src/controllers/dynamicApiController.ts
index 9fddd9c..8b7523c 100644
--- a/backend/src/controllers/dynamicApiController.ts
+++ b/backend/src/controllers/dynamicApiController.ts
@@ -2,7 +2,7 @@ import { Response } from 'express';
 import { ApiKeyRequest } from '../middleware/apiKey';
 import { mainPool } from '../config/database';
 import { sqlExecutor } from '../services/SqlExecutor';
-import { scriptExecutor } from '../services/ScriptExecutor';
+import { scriptExecutor } from '../services/scriptExecutor';
 import { EndpointParameter, ScriptQuery } from '../types';
 
 export const executeDynamicEndpoint = async (req: ApiKeyRequest, res: Response) => {
diff --git a/backend/src/server.ts b/backend/src/server.ts
index f0f5a70..766dceb 100644
--- a/backend/src/server.ts
+++ b/backend/src/server.ts
@@ -42,6 +42,9 @@ const limiter = rateLimit({
   windowMs: config.rateLimit.windowMs,
   max: config.rateLimit.maxRequests,
   message: 'Too many requests from this IP, please try again later.',
+  validate: { trustProxy: false }, // Отключаем валидацию trust proxy
+  standardHeaders: true,
+  legacyHeaders: false,
 });
 app.use('/api/', limiter);
 
diff --git a/backend/src/services/ScriptExecutor.ts b/backend/src/services/ScriptExecutor.ts
index 9f455b8..1662b4a 100644
--- a/backend/src/services/ScriptExecutor.ts
+++ b/backend/src/services/ScriptExecutor.ts
@@ -112,7 +112,9 @@ result = __user_script()
 print(json.dumps(result))
 `;
 
-      const python = spawn('python', ['-c', wrapperCode]);
+      // Try python3 first (Linux), fallback to python (Windows)
+      const pythonCommand = process.platform === 'win32' ? 'python' : 'python3';
+      const python = spawn(pythonCommand, ['-c', wrapperCode]);
       let output = '';
       let errorOutput = '';
       let queryRequests: any[] = [];