diff --git a/src/Controllers/ServerDetailController.php b/src/Controllers/ServerDetailController.php
index 042c5a8..c8df1c5 100755
--- a/src/Controllers/ServerDetailController.php
+++ b/src/Controllers/ServerDetailController.php
@@ -297,36 +297,44 @@ class ServerDetailController extends Model
             VALUES (:server_id, :metric_name_id, :warning_threshold, :critical_threshold, :duration)
         ");
 
+        // Дефолтные значения порогов (пока хардкод, потом из настроек)
+        $defaultWarning = 80;
+        $defaultCritical = 90;
+        $defaultDuration = 0;
+
         $saved = [];
-        $partial = [];
+        $usedDefaults = [];
 
         foreach ($metricTypes as $metricType) {
             $warning = $params[$metricType['name'] . '_warning'] ?? '';
             $critical = $params[$metricType['name'] . '_critical'] ?? '';
-            $duration = (int)($params[$metricType['name'] . '_duration'] ?? 0);
+            $duration = $params[$metricType['name'] . '_duration'] ?? '';
 
             // Сохраняем если хотя бы один порог заполнен
             if ($warning !== '' || $critical !== '') {
-                // Если не указано - ставим NULL
-                $warningVal = $warning !== '' ? (float)$warning : null;
-                $criticalVal = $critical !== '' ? (float)$critical : null;
+                // Если не указано - используем дефолт
+                $warningVal = $warning !== '' ? (float)$warning : $defaultWarning;
+                $criticalVal = $critical !== '' ? (float)$critical : $defaultCritical;
+                $durationVal = $duration !== '' ? (int)$duration : $defaultDuration;
 
                 $insertStmt->execute([
                     ':server_id' => $id,
                     ':metric_name_id' => $metricType['id'],
                     ':warning_threshold' => $warningVal,
                     ':critical_threshold' => $criticalVal,
-                    ':duration' => $duration
+                    ':duration' => $durationVal
                 ]);
 
                 $name = $metricType['name'];
-                if ($warningVal !== null && $criticalVal !== null) {
-                    $saved[] = $name;
+                $used = [];
+                if ($warning === '') $used[] = 'warning=' . $defaultWarning;
+                if ($critical === '') $used[] = 'critical=' . $defaultCritical;
+                if ($duration === '') $used[] = 'duration=' . $defaultDuration;
+
+                if (count($used) > 0) {
+                    $usedDefaults[] = $name . ' (' . implode(', ', $used) . ')';
                 } else {
-                    $missing = [];
-                    if ($warningVal === null) $missing[] = 'warning';
-                    if ($criticalVal === null) $missing[] = 'critical';
-                    $partial[] = $name . ' (нет: ' . implode(', ', $missing) . ')';
+                    $saved[] = $name;
                 }
             }
         }
@@ -336,15 +344,15 @@ class ServerDetailController extends Model
         if (count($saved) > 0) {
             $messages[] = 'Сохранено: ' . implode(', ', $saved);
         }
-        if (count($partial) > 0) {
-            $messages[] = 'Сохранено частично (используются значения по умолчанию): ' . implode(', ', $partial);
+        if (count($usedDefaults) > 0) {
+            $messages[] = 'Для остальных подставлены значения по умолчанию: ' . implode(', ', $usedDefaults);
         }
         if (count($messages) === 0) {
             $messages[] = 'Все пороги удалены';
         }
 
         $_SESSION['flash_message'] = implode('. ', $messages);
-        $_SESSION['flash_type'] = count($partial) > 0 ? 'warning' : 'success';
+        $_SESSION['flash_type'] = count($usedDefaults) > 0 ? 'warning' : 'success';
 
         return $response->withHeader('Location', "/servers/{$id}?tab=thresholds")->withStatus(302);
     }