diff --git a/CHANGELOG.md b/CHANGELOG.md
index e8b4c81..c6c25c9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 2019-10-07 3.5.4
+* Добавлена возможность обработки одинаковых товарных позиций
+
 ## 2019-04-22 3.5.2
 * Исправлен баг с выгрузкой заказов в retailCRM
 * Исправлена ошибка переводов
diff --git a/VERSION b/VERSION
index 444877d..65afb3b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.5.3
+3.5.4
diff --git a/src/include/class-wc-retailcrm-history.php b/src/include/class-wc-retailcrm-history.php
index 6699d82..71d3e51 100644
--- a/src/include/class-wc-retailcrm-history.php
+++ b/src/include/class-wc-retailcrm-history.php
@@ -22,6 +22,9 @@ if ( ! class_exists( 'WC_Retailcrm_History' ) ) :
         protected $order_methods = array();
         protected $bind_field = 'externalId';
 
+        /** @var WC_Retailcrm_Order_Item */
+        protected $order_item;
+
         /**
          * WC_Retailcrm_History constructor.
          * @param $retailcrm (default = false)
@@ -329,6 +332,7 @@ if ( ! class_exists( 'WC_Retailcrm_History' ) ) :
 
             if (array_key_exists('items', $order)) {
                 foreach ($order['items'] as $item) {
+
                     if (!isset($item['offer'][$this->bind_field])) {
                         continue;
                     }
@@ -348,9 +352,22 @@ if ( ! class_exists( 'WC_Retailcrm_History' ) ) :
                                 $offer_id = $order_item['product_id'];
                             }
 
-                            if ($offer_id == $item['offer'][$this->bind_field]) {
-                                $this->deleteOrUpdateOrderItem($item, $order_item, $order_item_id);
+                            if (isset($item['externalIds'])) {
+                                foreach ($item['externalIds'] as $externalId) {
+                                    if ($externalId['code'] == 'woocomerce') {
+                                        $itemExternalId = explode('_', $externalId['value']);
+                                    }
+                                }
+                            } else {
+                                $itemExternalId = explode('_', $item['externalId']);
                             }
+
+                            if ($offer_id == $item['offer'][$this->bind_field]
+                                && $itemExternalId[1] == $order_item->get_id()
+                            ) {
+                                $this->deleteOrUpdateOrderItem($item, $order_item, $itemExternalId[1]);
+                            }
+
                         }
                     }
                 }
@@ -424,6 +441,19 @@ if ( ! class_exists( 'WC_Retailcrm_History' ) ) :
 
             $wc_order->save();
 
+            $checkNewItem = false;
+            foreach ($order['items'] as $item) {
+                if (!empty($item['externalIds'])) {
+                    continue;
+                } else {
+                    $checkNewItem = true;
+                }
+            }
+
+            if ($checkNewItem == true) {
+                $this->editOrder($this->retailcrm_settings, $wc_order, $order);
+            }
+
             return $wc_order->get_id();
         }
 
@@ -440,11 +470,16 @@ if ( ! class_exists( 'WC_Retailcrm_History' ) ) :
                 if (isset($item['quantity']) && $item['quantity']) {
                     $order_item->set_quantity($item['quantity']);
                     $product = retailcrm_get_wc_product($item['offer'][$this->bind_field], $this->retailcrm_settings);
-                    $order_item->set_total($product->get_price() * $item['quantity']);
                     $order_item->set_subtotal($product->get_price());
                     $data_store = $order_item->get_data_store();
                     $data_store->update($order_item);
                 }
+
+                if (isset($item['summ']) && $item['summ']) {
+                    $order_item->set_total($item['summ']);
+                    $data_store = $order_item->get_data_store();
+                    $data_store->update($order_item);
+                }
             }
         }
 
@@ -537,8 +572,13 @@ if ( ! class_exists( 'WC_Retailcrm_History' ) ) :
 
             if ($product_data) {
                 foreach ($product_data as $product) {
+                    $item = retailcrm_get_wc_product($product['offer'][$this->bind_field], $this->retailcrm_settings);
+                    if ($product['discountTotal'] > 0) {
+                        $item->set_price($product['initialPrice'] - $product['discountTotal']);
+                    }
+
                     $wc_order->add_product(
-                        retailcrm_get_wc_product($product['offer'][$this->bind_field], $this->retailcrm_settings),
+                        $item,
                         $product['quantity']
                     );
                 }
@@ -584,11 +624,53 @@ if ( ! class_exists( 'WC_Retailcrm_History' ) ) :
 
             $wc_order->save();
 
+            $this->editOrder($this->retailcrm_settings, $wc_order, $order, 'update');
+
             $this->retailcrm->ordersFixExternalIds($ids);
 
             return $wc_order->get_id();
         }
 
+        /**
+         * @param        $settings
+         * @param        $wc_order
+         * @param        $order
+         * @param string $event
+         */
+        protected function editOrder($settings, $wc_order, $order, $event = 'create')
+        {
+            $order_items = [];
+            $retailcrmOrderItem = new WC_Retailcrm_Order_Item($settings);
+            foreach ($wc_order->get_items() as $key => $item) {
+                $order_items[$key] = $retailcrmOrderItem->build($item)->get_data();
+                $retailcrmOrderItem->reset_data();
+                if ($event == 'update') {
+                    foreach ($order['items'] as $itemCrm) {
+                        if (isset($itemCrm['externalIds']) && !empty($itemCrm['externalIds'])) {
+                            foreach ($itemCrm['externalIds'] as $externalId) {
+                                if ($externalId['code'] == 'woocomerce') {
+                                    $test = explode('_', $externalId['value']);
+                                }
+                            }
+
+                            if ($order_items[$test[1]]) {
+                                unset($order_items[$test[1]]);
+                            }
+                        }
+                    }
+                }
+            }
+            if (!empty($order_items)) {
+                $orderEdit = [
+                    'id' => $order['id'],
+                    'items' => $order_items,
+                ];
+
+                $this->retailcrm->ordersEdit($orderEdit, 'id');
+
+            }
+        }
+
         /**
          * @param array $orderHistory
          *
diff --git a/src/include/order/class-wc-retailcrm-order-item.php b/src/include/order/class-wc-retailcrm-order-item.php
index 2ca2f41..0392156 100644
--- a/src/include/order/class-wc-retailcrm-order-item.php
+++ b/src/include/order/class-wc-retailcrm-order-item.php
@@ -55,6 +55,14 @@ class WC_Retailcrm_Order_Item extends WC_Retailcrm_Abstracts_Data
         $data['initialPrice'] = (float)$price;
         $data['quantity'] = (double)$item['qty'];
 
+        $itemId = ($item['variation_id'] > 0) ? $item['variation_id'] : $item['product_id'];
+        $data['externalIds'] = array(
+            array(
+                'code' =>'woocomerce',
+                'value' => $itemId . '_' . $item->get_id(),
+            )
+        );
+
         $this->set_data_fields($data);
         $this->set_offer($item);
 
diff --git a/src/retailcrm.php b/src/retailcrm.php
index 2cfbd8f..49cb19a 100644
--- a/src/retailcrm.php
+++ b/src/retailcrm.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Version: 3.5.2
+ * Version: 3.5.4
  * WC requires at least: 3.0
  * WC tested up to: 3.5.5
  * Plugin Name: WooCommerce RetailCRM
diff --git a/src/uninstall.php b/src/uninstall.php
index 7f99179..03303cd 100644
--- a/src/uninstall.php
+++ b/src/uninstall.php
@@ -15,7 +15,7 @@
  *
  *
  * @link       https://wordpress.org/plugins/woo-retailcrm/
- * @version    3.5.2
+ * @version    3.5.4
  *
  * @package    RetailCRM
  */