diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7bdb567..51c6d184 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 2017-10-26 v.2.2.7
+* Исправлен баг при работе с одним сайтом
+
 ## 2017-10-25 v.2.2.6
 * Доработана система синхронизации оплат
 * Исправлены ошибки в истории заказов
diff --git a/intaro.retailcrm/classes/general/events/RetailCrmEvent.php b/intaro.retailcrm/classes/general/events/RetailCrmEvent.php
index 13ec839c..c7a81012 100644
--- a/intaro.retailcrm/classes/general/events/RetailCrmEvent.php
+++ b/intaro.retailcrm/classes/general/events/RetailCrmEvent.php
@@ -151,16 +151,16 @@ class RetailCrmEvent
             ));
              
             //many sites?
-            if(!empty($optionsSitesList) && array_key_exists($arOrder['LID'], $optionsSitesList)) {
-                $site = $optionsSitesList[$arOrder['LID']];   
-            } else {
+            if ($optionsSitesList) {
+                if (array_key_exists($arOrder['LID'], $optionsSitesList) && $optionsSitesList[$arOrder['LID']] !== null) {
+                    $site = $optionsSitesList[$arOrder['LID']];
+                } else {
+                    return;
+                }
+            } elseif (!$optionsSitesList) {
                 $site = null;
             }
 
-            if ($site == null) {
-                return;
-            }
-
             //new order?
             $orderCrm = RCrmActions::apiMethod($api, 'ordersGet', __METHOD__, $arOrder['ID'], $site);
             if (isset($orderCrm['order'])) {
@@ -230,20 +230,20 @@ class RetailCrmEvent
             $newOrder = Bitrix\Sale\Order::load($arPayment['ORDER_ID']);
             $arPayment['LID'] = $newOrder->getField('LID');
         } catch (Bitrix\Main\ArgumentNullException $e) {
-            RCrmActions::eventLog('RetailCrmHistory::orderHistory', 'Bitrix\Sale\Order::load', $e->getMessage() . ': ' . $arPayment['ORDER_ID']);
+            RCrmActions::eventLog('RetailCrmEvent::paymentSave', 'Bitrix\Sale\Order::load', $e->getMessage() . ': ' . $arPayment['ORDER_ID']);
             return;
         }
 
-        if(!empty($optionsSitesList) && array_key_exists($arPayment['LID'], $optionsSitesList)) {
-            $site = $optionsSitesList[$arPayment['LID']];
-        } else {
+        if ($optionsSitesList) {
+            if (array_key_exists($arOrder['LID'], $optionsSitesList) && $optionsSitesList[$arOrder['LID']] !== null) {
+                $site = $optionsSitesList[$arOrder['LID']];
+            } else {
+                return;
+            }
+        } elseif (!$optionsSitesList) {
             $site = null;
         }
 
-        if ($site == null) {
-            return;
-        }
-
         $api_host = COption::GetOptionString(self::$MODULE_ID, self::$CRM_API_HOST_OPTION, 0);
         $api_key = COption::GetOptionString(self::$MODULE_ID, self::$CRM_API_KEY_OPTION, 0);
         $api = new RetailCrm\ApiClient($api_host, $api_key);
@@ -299,7 +299,7 @@ class RetailCrmEvent
                         $paymentToCrm['order']['externalId'] = $arPayment['ORDER_ID'];
                     }
                 } else {
-                    RCrmActions::eventLog('RetailCrmOrder::orderSend', 'payments', 'OrderID = ' . $arFields['ID'] . '. Payment not found.');
+                    RCrmActions::eventLog('RetailCrmEvent::paymentSave', 'payments', 'OrderID = ' . $arPayment['ID'] . '. Payment not found.');
                 }
 
                 if (!array_key_exists($arPayment['ID'], $paymentsExternalIds)) {
@@ -339,7 +339,7 @@ class RetailCrmEvent
             $newOrder = Bitrix\Sale\Order::load($arPayment['ORDER_ID']);
             $arPayment['LID'] = $newOrder->getField('LID');
         } catch (Bitrix\Main\ArgumentNullException $e) {
-            RCrmActions::eventLog('RetailCrmHistory::orderHistory', 'Bitrix\Sale\Order::load', $e->getMessage() . ': ' . $arPayment['ORDER_ID']);
+            RCrmActions::eventLog('RetailCrmEvent::paymentDelete', 'Bitrix\Sale\Order::load', $e->getMessage() . ': ' . $arPayment['ORDER_ID']);
             return;
         }
 
diff --git a/intaro.retailcrm/description.ru b/intaro.retailcrm/description.ru
index f4a32122..2d807217 100644
--- a/intaro.retailcrm/description.ru
+++ b/intaro.retailcrm/description.ru
@@ -1,2 +1 @@
-- Доработана система синхронизации оплат
-- Исправлены ошибки в истории заказов
\ No newline at end of file
+- Исправлен баг при работе с одним сайтом
\ No newline at end of file
diff --git a/intaro.retailcrm/install/index.php b/intaro.retailcrm/install/index.php
index db336d7b..2f86137f 100644
--- a/intaro.retailcrm/install/index.php
+++ b/intaro.retailcrm/install/index.php
@@ -335,6 +335,7 @@ class intaro_retailcrm extends CModule
                 $this->RETAIL_CRM_API = new \RetailCrm\ApiClient($api_host, $api_key);
                 COption::SetOptionString($this->MODULE_ID, $this->CRM_API_HOST_OPTION, $api_host);
                 COption::SetOptionString($this->MODULE_ID, $this->CRM_API_KEY_OPTION, $api_key);
+                COption::SetOptionString($this->MODULE_ID, $this->CRM_SITES_LIST, serialize(array()));
             }
             
             //prepare crm lists
diff --git a/intaro.retailcrm/install/version.php b/intaro.retailcrm/install/version.php
index 3f805cfc..912acfec 100644
--- a/intaro.retailcrm/install/version.php
+++ b/intaro.retailcrm/install/version.php
@@ -1,5 +1,5 @@
 <?
 $arModuleVersion = array(
-    "VERSION" => "2.2.6",
-    "VERSION_DATE" => "2017-09-25 12:00:00"
+    "VERSION" => "2.2.7",
+    "VERSION_DATE" => "2017-09-25 14:50:00"
 );
diff --git a/intaro.retailcrm/options.php b/intaro.retailcrm/options.php
index 70947978..12b0ee63 100644
--- a/intaro.retailcrm/options.php
+++ b/intaro.retailcrm/options.php
@@ -195,7 +195,13 @@ if (isset($_POST['Update']) && ($_POST['Update'] == 'Y')) {
     //bitrix site list
     $siteListArr = array(); 
     foreach ($arResult['arSites'] as $arSites) {
-        $siteListArr[$arSites['LID']] = htmlspecialchars(trim($_POST['sites-id-' . $arSites['LID']]));
+        if (count($arResult['arSites']) > 1) {
+            if ($_POST['sites-id-' . $arSites['LID']]) {
+                $siteListArr[$arSites['LID']] = htmlspecialchars(trim($_POST['sites-id-' . $arSites['LID']]));
+            } else {
+                $siteListArr[$arSites['LID']] = null;
+            }
+        }
     }
             
     if ($api_host && $api_key) {
@@ -463,7 +469,7 @@ if (isset($_POST['Update']) && ($_POST['Update'] == 'Y')) {
         }
     }
         
-    COption::SetOptionString($mid, $CRM_SITES_LIST, serialize(RCrmActions::clearArr($siteListArr)));
+    COption::SetOptionString($mid, $CRM_SITES_LIST, serialize($siteListArr));
     COption::SetOptionString($mid, $CRM_ORDER_TYPES_ARR, serialize(RCrmActions::clearArr($orderTypesArr)));
     COption::SetOptionString($mid, $CRM_DELIVERY_TYPES_ARR, serialize(RCrmActions::clearArr($deliveryTypesArr)));
     COption::SetOptionString($mid, $CRM_PAYMENT_TYPES, serialize(RCrmActions::clearArr($paymentTypesArr)));