diff --git a/controllers/ListManagementController.php b/controllers/ListManagementController.php
index fe67f6d2..db647734 100644
--- a/controllers/ListManagementController.php
+++ b/controllers/ListManagementController.php
@@ -112,17 +112,27 @@ class ListManagementController extends Controller {
                     return ["status" => false, "text" => "Mỗi đối tượng chỉ nhận tối đa " . \Yii::$app->params['maxPicture'] . " hình ảnh mẫu"];
                 $add = true;
                 foreach ($images as $key => $value) {
-                    if ($value['url'] === $url)
+                    if ($value['urlOld'] === $url)
                         $add = false;
                 }
                 if ($add) {
+                    $RootFolder = Yii::getAlias('@webroot') . "/data/uploads";
+                    $targetPath = $RootFolder . "/face";
+                    FileHelper::createDirectory($targetPath, 0777);
+                    $fileName = "face_" . common::generateRandomString() . "_" . time() . ".png";
+                    $img = file_get_contents("http://localhost/data/uploads/face/" . $url);
+                    $fileTarget = $targetPath . "/" . $fileName;
+                    if (!$this->resizeImg($img, $fileTarget))
+                        $fileName = $url;
+
                     $features = json_decode(common::requestToEngine("/get-feature", [
                                 "image_paths" => [
-                                        ["url" => "/var/www/html/BiFace_Server_Lite/web/data/uploads/face/" . $url, "type" => "raw"]
+                                        ["url" => "/var/www/html/BiFace_Server_Lite/web/data/uploads/face/" . $fileName, "type" => "raw"]
                                 ]
                             ]), true);
                     $images[] = [
-                        "url" => $url,
+                        "url" => $fileName,
+                        "urlOld" => $url,
                         "features" => $features['results'][0]['feature'],
                         "features512" => isset($features['results'][0]['feature512']) ? $features['results'][0]['feature512'] : []
                     ];
@@ -139,14 +149,24 @@ class ListManagementController extends Controller {
                 }
                 return ["status" => false, "text" => "Hình ảnh này đã được chọn làm mẫu cho đối tượng này!"];
             } else {
+                $RootFolder = Yii::getAlias('@webroot') . "/data/uploads";
+                $targetPath = $RootFolder . "/face";
+                FileHelper::createDirectory($targetPath, 0777);
+                $fileName = "face_" . common::generateRandomString() . "_" . time() . ".png";
+                $img = file_get_contents("http://localhost/data/uploads/face/" . $url);
+                $fileTarget = $targetPath . "/" . $fileName;
+                if (!$this->resizeImg($img, $fileTarget))
+                    $fileName = $url;
+
                 $features = json_decode(common::requestToEngine("/get-feature", [
                             "image_paths" => [
-                                    ["url" => "/var/www/html/BiFace_Server_Lite/web/data/uploads/face/" . $url, "type" => "raw"]
+                                    ["url" => "/var/www/html/BiFace_Server_Lite/web/data/uploads/face/" . $fileName, "type" => "raw"]
                             ]
                         ]), true);
                 $data['image'] = json_encode([
                         [
-                        "url" => $url,
+                        "url" => $fileName,
+                        "urlOld" => $url,
                         "features" => $features['results'][0]['feature'],
                         "features512" => isset($features['results'][0]['feature512']) ? $features['results'][0]['feature512'] : []
                     ]
@@ -186,14 +206,24 @@ class ListManagementController extends Controller {
             if ($check && $check->id != $model->id)
                 return false;
             if ($data['image'] !== "") {
+                $RootFolder = Yii::getAlias('@webroot') . "/data/uploads";
+                $targetPath = $RootFolder . "/face";
+                FileHelper::createDirectory($targetPath, 0777);
+                $fileName = "face_" . common::generateRandomString() . "_" . time() . ".png";
+                $img = file_get_contents("http://localhost/data/uploads/face/" . $data['image']);
+                $fileTarget = $targetPath . "/" . $fileName;
+                if (!$this->resizeImg($img, $fileTarget))
+                    $fileName = $data['image'];
+
                 $features = json_decode(common::requestToEngine("/get-feature", [
                             "image_paths" => [
-                                    ["url" => "/var/www/html/BiFace_Server_Lite/web/data/uploads/face/" . $data['image'], "type" => "raw"]
+                                    ["url" => "/var/www/html/BiFace_Server_Lite/web/data/uploads/face/" . $fileName, "type" => "raw"]
                             ]
                         ]), true);
                 $images = json_decode($model->image, true);
                 $images[] = [
-                    "url" => $data['image'],
+                    "url" => $fileName,
+                    "urlOld" => $data['image'],
                     "features" => $features['results'][0]['feature'],
                     "features512" => isset($features['results'][0]['feature512']) ? $features['results'][0]['feature512'] : []
                 ];
@@ -235,6 +265,9 @@ class ListManagementController extends Controller {
             foreach ($images as $key => $value) {
                 if ($value['url'] !== $data['image'])
                     $features[] = $value;
+                else {
+                    unlink("/var/www/html/BiFace_Server_Lite/web/data/uploads/face/" . $value['url']);
+                }
             }
             $model->image = json_encode($features);
             $model->save();
@@ -377,22 +410,13 @@ class ListManagementController extends Controller {
             FileHelper::createDirectory($targetPath, 0777);
             foreach ($data['images'] as $key => $value) {
                 if ($key < Yii::$app->params['maxPicture']) {
-                    $key = common::generateRandomString();
-                    $fileName = "face_" . $key . "_" . time() . ".png";
+                    $fileName = "face_" . common::generateRandomString() . "_" . time() . ".png";
                     $img = file_get_contents($value);
                     if ($img !== "null") {
-                        $im = imagecreatefromstring($img);
-                        $width = imagesx($im);
-                        $height = imagesy($im);
-                        $newwidth = 224;
-                        $newheight = 224;
-                        $thumb = imagecreatetruecolor($newwidth, $newheight);
-                        imagecopyresized($thumb, $im, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
                         $fileTarget = $targetPath . "/" . $fileName;
-                        imagejpeg($thumb, $fileTarget);
-                        imagedestroy($thumb);
-                        imagedestroy($im);
-//                        file_put_contents($fileTarget, $img);
+                        if (!$this->resizeImg($img, $fileTarget)) {
+                            file_put_contents($fileTarget, $img);
+                        }
                         $features = json_decode(common::requestToEngine("/get-feature", [
                                     "image_paths" => [
                                             ["url" => "/var/www/html/BiFace_Server_Lite/web/data/uploads/face/" . $fileName, "type" => "raw"]
@@ -400,6 +424,7 @@ class ListManagementController extends Controller {
                                 ]), true);
                         $ft[] = [
                             "url" => $fileName,
+                            "urlOld" => $fileName,
                             "features" => $features['results'][0]['feature'],
                             "features512" => isset($features['results'][0]['feature512']) ? $features['results'][0]['feature512'] : []
                         ];
@@ -453,6 +478,7 @@ class ListManagementController extends Controller {
                         file_put_contents($targetPath . "/" . $fileName, base64_decode($v['url']));
                         $images[] = [
                             "url" => $fileName,
+                            "urlOld" => $fileName,
                             "features" => $v['features'],
                             "features512" => isset($v['features512']) ? $v['features512'] : []
                         ];
@@ -563,4 +589,21 @@ class ListManagementController extends Controller {
         }
     }
 
+    public function resizeImg($img, $fileTarget) {
+        $im = imagecreatefromstring($img);
+        $width = imagesx($im);
+        $height = imagesy($im);
+        $newwidth = 224;
+        $newheight = 224;
+        if ($width > $newwidth && $height > $newheight) {
+            $thumb = imagecreatetruecolor($newwidth, $newheight);
+            imagecopyresized($thumb, $im, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
+            imagejpeg($thumb, $fileTarget);
+            imagedestroy($thumb);
+            imagedestroy($im);
+            return true;
+        }
+        return false;
+    }
+
 }