diff --git a/public/index.php b/public/index.php
index a5c3dda..31d3bdf 100644
--- a/public/index.php
+++ b/public/index.php
@@ -103,7 +103,7 @@ $app->post('/api/table/data', function (Request $request, Response $response) us
     $columns  = $payload['columns'] ?? [];
 
     // ✅ Логирование для отладки
-    error_log("Data request: page=$page, pageSize=$pageSize, filters=" . json_encode($filters));
+    error_log("Data request: page=$page, pageSize=$pageSize, filters=" . json_encode($filters) . ", sort=" . json_encode($sort));
 
     $pdo = $container->get('db');
     $ds  = new \App\DataService($pdo);
diff --git a/src/DataService.php b/src/DataService.php
index 2390369..47f54d2 100644
--- a/src/DataService.php
+++ b/src/DataService.php
@@ -37,12 +37,22 @@ class DataService
         $whereSql = $whereParts ? 'WHERE ' . implode(' AND ', $whereParts) : '';
 
         $orderSql = '';
-        if ($sort && !empty($sort['field']) && in_array($sort['field'], $colNames, true)) {
-            $dir = strtoupper($sort['dir'] ?? 'ASC');
-            if (!in_array($dir, ['ASC', 'DESC'], true)) {
-                $dir = 'ASC';
+        error_log("=== SORT DEBUG (fetchData) ===");
+        error_log("Sort param: " . json_encode($sort));
+        error_log("Column names: " . implode(', ', array_slice($colNames, 0, 5)) . "...");
+        if ($sort && !empty($sort['field'])) {
+            $fieldExists = in_array($sort['field'], $colNames, true);
+            error_log("Field '{$sort['field']}' exists: " . ($fieldExists ? 'YES' : 'NO'));
+            if ($fieldExists) {
+                $dir = strtoupper($sort['dir'] ?? 'ASC');
+                if (!in_array($dir, ['ASC', 'DESC'], true)) {
+                    $dir = 'ASC';
+                }
+                $orderSql = "ORDER BY `{$sort['field']}` $dir";
+                error_log("ORDER SQL: $orderSql");
             }
-            $orderSql = "ORDER BY `{$sort['field']}` $dir";
+        } else {
+            error_log("No sort applied");
         }
 
         $sql = "SELECT $selectList
@@ -50,6 +60,7 @@ class DataService
                 $whereSql
                 $orderSql
                 LIMIT :limit OFFSET :offset";
+        error_log("Final SQL: " . preg_replace('/\s+/', ' ', $sql));
 
         $stmt = $this->pdo->prepare($sql);
         foreach ($params as $k => $v) {