diff --git a/backend/modules/task/controllers/TaskController.php b/backend/modules/task/controllers/TaskController.php
index 0d718d2..735e2db 100644
--- a/backend/modules/task/controllers/TaskController.php
+++ b/backend/modules/task/controllers/TaskController.php
@@ -2,14 +2,10 @@
 
 namespace backend\modules\task\controllers;
 
-use backend\modules\project\models\ProjectUser;
-use backend\modules\task\models\ProjectTaskUser;
-use common\classes\Debug;
 use yii\data\ActiveDataProvider;
-use yii\web\Response;
 use Yii;
 use backend\modules\task\models\ProjectTask;
-use backend\modules\task\models\TaskSearch;
+use backend\modules\task\models\ProjectTaskSearch;
 use yii\web\Controller;
 use yii\web\NotFoundHttpException;
 use yii\filters\VerbFilter;
@@ -43,7 +39,7 @@ class TaskController extends Controller
      */
     public function actionIndex()
     {
-        $searchModel = new TaskSearch();
+        $searchModel = new ProjectTaskSearch();
         $dataProvider = $searchModel->search(Yii::$app->request->queryParams);
 
         return $this->render('index', [
diff --git a/backend/modules/task/models/TaskSearch.php b/backend/modules/task/models/ProjectTaskSearch.php
similarity index 78%
rename from backend/modules/task/models/TaskSearch.php
rename to backend/modules/task/models/ProjectTaskSearch.php
index 54513c7..9c20656 100644
--- a/backend/modules/task/models/TaskSearch.php
+++ b/backend/modules/task/models/ProjectTaskSearch.php
@@ -10,7 +10,7 @@ use backend\modules\task\models\ProjectTask;
 /**
  * TaskSearch represents the model behind the search form of `backend\modules\task\models\Task`.
  */
-class TaskSearch extends ProjectTask
+class ProjectTaskSearch extends ProjectTask
 {
     /**
      * {@inheritdoc}
@@ -60,14 +60,15 @@ class TaskSearch extends ProjectTask
         // grid filtering conditions
         $query->andFilterWhere([
             'id' => $this->id,
-            'task.project_id' => $this->project_id,
-            'task.status' => $this->status,
-            'task.created_at' => $this->created_at,
-            'task.updated_at' => $this->updated_at,
+            'project_task.project_id' => $this->project_id,
+            'project_task.status' => $this->status,
+            'project_task.execution_priority' => $this->execution_priority,
+            'project_task.created_at' => $this->created_at,
+            'project_task.updated_at' => $this->updated_at,
         ]);
 
         $query->andFilterWhere(['like', 'title', $this->title])
-            ->andFilterWhere(['like', 'task.description', $this->description]);
+            ->andFilterWhere(['like', 'project_task.description', $this->description]);
 
         return $dataProvider;
     }
diff --git a/backend/modules/task/views/task/_form.php b/backend/modules/task/views/task/_form.php
index ac6327b..f8c8e20 100644
--- a/backend/modules/task/views/task/_form.php
+++ b/backend/modules/task/views/task/_form.php
@@ -2,6 +2,7 @@
 
 use backend\modules\card\models\UserCard;
 use backend\modules\project\models\Project;
+use backend\modules\task\models\ProjectTask;
 use common\helpers\StatusHelper;
 use kartik\select2\Select2;
 use yii\helpers\Html;
@@ -59,6 +60,13 @@ use yii\widgets\ActiveForm;
 
     <?= $form->field($model, 'priority')->input('number') ?>
 
+    <?= $form->field($model, 'execution_priority')->dropDownList(
+        ProjectTask::priorityList(),
+        [
+            'prompt' => 'Выберите'
+        ]
+    ) ?>
+
     <div class="form-group">
         <?= Html::submitButton('Создать', ['class' => 'btn btn-success']) ?>
     </div>
diff --git a/backend/modules/task/views/task/_search.php b/backend/modules/task/views/task/_search.php
index f42ac3b..acb1a83 100644
--- a/backend/modules/task/views/task/_search.php
+++ b/backend/modules/task/views/task/_search.php
@@ -4,7 +4,7 @@ use yii\helpers\Html;
 use yii\widgets\ActiveForm;
 
 /* @var $this yii\web\View */
-/* @var $model backend\modules\task\models\TaskSearch */
+/* @var $model backend\modules\task\models\ProjectTaskSearch */
 /* @var $form yii\widgets\ActiveForm */
 ?>
 
diff --git a/backend/modules/task/views/task/index.php b/backend/modules/task/views/task/index.php
index 7978a72..538f42c 100644
--- a/backend/modules/task/views/task/index.php
+++ b/backend/modules/task/views/task/index.php
@@ -12,7 +12,7 @@ use yii\helpers\Html;
 use yii\grid\GridView;
 
 /* @var $this yii\web\View */
-/* @var $searchModel backend\modules\task\models\TaskSearch */
+/* @var $searchModel backend\modules\task\models\ProjectTaskSearch */
 /* @var $dataProvider yii\data\ActiveDataProvider */
 
 $this->title = 'Задачи';
@@ -58,6 +58,14 @@ $this->params['breadcrumbs'][] = $this->title;
                     return StatusHelper::statusLabel($model->status);
                 }
             ],
+            [
+                'attribute' => 'execution_priority',
+                'format' => 'raw',
+                'filter' => ProjectTask::priorityList(),
+                'value' => function($model){
+                    return ProjectTask::getPriority($model->status);
+                }
+            ],
             [
                 'attribute' => 'created_at',
                 'format' => ['datetime', 'php:d.m.Y H:i']
diff --git a/backend/modules/task/views/task/view.php b/backend/modules/task/views/task/view.php
index c5a1ed6..0f458b1 100644
--- a/backend/modules/task/views/task/view.php
+++ b/backend/modules/task/views/task/view.php
@@ -1,5 +1,6 @@
 <?php
 
+use backend\modules\task\models\ProjectTask;
 use common\helpers\StatusHelper;
 use kartik\grid\GridView;
 use yii\helpers\ArrayHelper;
@@ -60,6 +61,12 @@ YiiAsset::register($this);
             ],
             'description',
             'priority',
+            [
+                'attribute' => 'execution_priority',
+                'value' => function($model){
+                    return ProjectTask::getPriority($model->status);
+                }
+            ],
         ],
     ]) ?>
 
diff --git a/common/models/Project.php b/common/models/Project.php
index 21a56e8..8f59342 100755
--- a/common/models/Project.php
+++ b/common/models/Project.php
@@ -23,6 +23,7 @@ use yii\helpers\ArrayHelper;
  *
  * @property FieldsValue[] $fieldsValues
  * @property Company $company
+ * @property User $owner
  * @property ProjectUser[] $projectUsers
  * @property Mark[] $mark
  * @property MarkEntity[] $markEntity
@@ -55,8 +56,8 @@ class Project extends \yii\db\ActiveRecord
     public function rules()
     {
         return [
-            ['name', 'unique'],
-            [['name', 'status'], 'required'],
+            [['name', 'owner_id', 'status'], 'required'],
+            [['owner_id', 'name'], 'unique', 'targetAttribute' => ['owner_id', 'name']],
             [['description'], 'string'],
             [['created_at', 'updated_at'], 'safe'],
             [['status'], 'exist', 'skipOnError' => true, 'targetClass' => Status::class, 'targetAttribute' => ['status' => 'id']],
diff --git a/common/models/ProjectColumn.php b/common/models/ProjectColumn.php
index b3d91c0..cc8795e 100644
--- a/common/models/ProjectColumn.php
+++ b/common/models/ProjectColumn.php
@@ -65,6 +65,7 @@ class ProjectColumn extends \yii\db\ActiveRecord
         return [
             [['title', 'project_id'], 'required'],
             [['project_id', 'status', 'priority'], 'integer'],
+            [['project_id', 'title'], 'unique', 'targetAttribute' => ['project_id', 'title']],
             [['created_at', 'updated_at'], 'safe'],
             [['title'], 'string', 'max' => 255],
             [['project_id'], 'exist', 'skipOnError' => true, 'targetClass' => Project::className(), 'targetAttribute' => ['project_id' => 'id']],
diff --git a/common/models/ProjectTask.php b/common/models/ProjectTask.php
index be19aac..7321c9b 100644
--- a/common/models/ProjectTask.php
+++ b/common/models/ProjectTask.php
@@ -21,6 +21,7 @@ use yii\helpers\ArrayHelper;
  * @property int $user_id
  * @property int $executor_id
  * @property int $priority
+ * @property int $execution_priority
  * @property string $description
  * @property string $dead_line
  *
@@ -37,6 +38,32 @@ class ProjectTask extends ActiveRecord
     const STATUS_ACTIVE = 1;
     const STATUS_DISABLE = 0;
 
+    const PRIORITY_LOW = 0;
+    const PRIORITY_MEDIUM = 1;
+    const PRIORITY_HIGH = 2;
+
+    /**
+     * @return string[]
+     */
+    public static function priorityList() :array
+    {
+        return [
+            self::PRIORITY_LOW => 'Низкий',
+            self::PRIORITY_MEDIUM => 'Средний',
+            self::PRIORITY_HIGH => 'Высокий',
+        ];
+    }
+
+    /**
+     * @param $priority
+     * @return string
+     * @throws \Exception
+     */
+    public static function getPriority($priority): string
+    {
+        return ArrayHelper::getValue(self::priorityList(), $priority);
+    }
+
     /**
      * {@inheritdoc}
      */
@@ -64,8 +91,9 @@ class ProjectTask extends ActiveRecord
     {
         return [
             [['project_id', 'status', 'title', 'description',], 'required'],
-            [['project_id', 'status', 'column_id', 'user_id', 'executor_id', 'priority'], 'integer'],
+            [['project_id', 'status', 'column_id', 'user_id', 'executor_id', 'priority', 'execution_priority'], 'integer'],
             [['created_at', 'updated_at', 'dead_line'], 'safe'],
+            ['execution_priority', 'in', 'range' => [self::PRIORITY_LOW, self::PRIORITY_MEDIUM, self::PRIORITY_HIGH]],
             ['title', 'unique', 'targetAttribute' => ['title', 'project_id'], 'message' => 'Такая задача уже создана'],
             [['title'], 'string', 'max' => 255],
             [['description'], 'string', 'max' => 1500],
@@ -94,6 +122,69 @@ class ProjectTask extends ActiveRecord
             'executor_id' => 'Исполнитель',
             'priority' => 'Приоритет',
             'dead_line' => 'Срок выполнения задачи',
+            'execution_priority' => 'Приоритет выполнения',
+        ];
+    }
+
+    /**
+     * @return string[]
+     */
+    public function fields(): array
+    {
+        return [
+            'id',
+            'project_id',
+            'project_name' => function () {
+                return $this->project->name ?? null;
+            },
+            'title',
+            'created_at',
+            'updated_at',
+            'dead_line',
+            'description',
+            'status',
+            'column_id',
+            'user_id',
+            'user' => function () {
+                return [
+                    "fio" => $this->user->userCard->fio ?? $this->user->id,
+                    "avatar" => $this->user->userCard->photo ?? '',
+                ];
+            },
+            'executor_id',
+            'priority',
+            'executor' => function () {
+                if ($this->executor) {
+                    return [
+                        "fio" => $this->executor->userCard->fio ?? $this->executor->username,
+                        "avatar" => $this->executor->userCard->photo ?? '',
+                    ];
+                }
+
+                return null;
+            },
+            'comment_count' => function () {
+                return Comment::find()->where(['entity_id' => $this->id, 'entity_type' => 2, 'status' => Comment::STATUS_ACTIVE])->count();
+            },
+            'taskUsers',
+            'mark',
+            'execution_priority'
+        ];
+    }
+
+    /**
+     * @return string[]
+     */
+    public function extraFields(): array
+    {
+        return [
+            'timers',
+            'column' => function () {
+                return [
+                    'column_title' => $this->column->title ?? null
+                ];
+            },
+            'mark'
         ];
     }
 
diff --git a/common/services/TaskService.php b/common/services/TaskService.php
index c2a9b92..835cd82 100644
--- a/common/services/TaskService.php
+++ b/common/services/TaskService.php
@@ -2,8 +2,8 @@
 
 namespace common\services;
 
+use common\models\ProjectTask;
 use common\models\ProjectTaskUser;
-use frontend\modules\api\models\ProjectTask;
 
 class TaskService
 {
diff --git a/console/migrations/m231013_122324_add_foreign_key_in_project_from_owner_id_to_user_id.php b/console/migrations/m231013_122324_add_foreign_key_in_project_from_owner_id_to_user_id.php
new file mode 100644
index 0000000..1a7c014
--- /dev/null
+++ b/console/migrations/m231013_122324_add_foreign_key_in_project_from_owner_id_to_user_id.php
@@ -0,0 +1,31 @@
+<?php
+
+use yii\db\Migration;
+
+/**
+ * Class m231013_122324_add_foreign_key_in_project_from_owner_id_to_user_id
+ */
+class m231013_122324_add_foreign_key_in_project_from_owner_id_to_user_id extends Migration
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function safeUp()
+    {
+        $this->addForeignKey(
+            'project_user',
+            'project',
+            'owner_id',
+            'user',
+            'id'
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function safeDown()
+    {
+        $this->dropForeignKey('project_user', 'project');
+    }
+}
diff --git a/console/migrations/m231013_144526_add_execution_priority_column_to_project_task_table.php b/console/migrations/m231013_144526_add_execution_priority_column_to_project_task_table.php
new file mode 100644
index 0000000..8dea2cd
--- /dev/null
+++ b/console/migrations/m231013_144526_add_execution_priority_column_to_project_task_table.php
@@ -0,0 +1,25 @@
+<?php
+
+use yii\db\Migration;
+
+/**
+ * Handles adding columns to table `{{%project_task}}`.
+ */
+class m231013_144526_add_execution_priority_column_to_project_task_table extends Migration
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function safeUp()
+    {
+        $this->addColumn('project_task', 'execution_priority', $this->integer(1));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function safeDown()
+    {
+        $this->dropColumn('project_task', 'execution_priority');
+    }
+}
diff --git a/frontend/modules/api/controllers/TaskController.php b/frontend/modules/api/controllers/TaskController.php
index 75db62d..77d830c 100644
--- a/frontend/modules/api/controllers/TaskController.php
+++ b/frontend/modules/api/controllers/TaskController.php
@@ -72,7 +72,12 @@ class TaskController extends ApiController
      *          @OA\Property(
      *              property="priority",
      *              type="integer",
-     *              description="Приоритет задачи",
+     *              description="Приоритет задачи.",
+     *          ),
+     *          @OA\Property(
+     *              property="execution_priority",
+     *              type="integer",
+     *              description="Приоритет выполнения задачи (0 - low, 1 - medium, 2 - high)",
      *          ),
      *          @OA\Property(
      *              property="column_id",
diff --git a/frontend/modules/api/models/ProjectTask.php b/frontend/modules/api/models/ProjectTask.php
index ed80fd9..6258115 100644
--- a/frontend/modules/api/models/ProjectTask.php
+++ b/frontend/modules/api/models/ProjectTask.php
@@ -71,6 +71,12 @@ namespace frontend\modules\api\models;
  *     description="Приоритет задачи"
  *  ),
  *  @OA\Property(
+ *     property="execution_priority",
+ *     type="integer",
+ *     example="2",
+ *     description="Приоритет выполнения задачи (0 - low, 1 - medium, 2 - high)",
+ *  ),
+ *  @OA\Property(
  *     property="status",
  *     type="int",
  *     example="1",
@@ -152,63 +158,5 @@ namespace frontend\modules\api\models;
  */
 class ProjectTask extends \common\models\ProjectTask
 {
-    /**
-     * @return string[]
-     */
-    public function fields(): array
-    {
-        return [
-            'id',
-            'project_id',
-            'project_name' => function () {
-                return $this->project->name ?? null;
-            },
-            'title',
-            'created_at',
-            'updated_at',
-            'dead_line',
-            'description',
-            'status',
-            'column_id',
-            'user_id',
-            'user' => function () {
-                return [
-                    "fio" => $this->user->userCard->fio ?? $this->user->id,
-                    "avatar" => $this->user->userCard->photo ?? '',
-                ];
-            },
-            'executor_id',
-            'priority',
-            'executor' => function () {
-                if ($this->executor) {
-                    return [
-                        "fio" => $this->executor->userCard->fio ?? $this->executor->username,
-                        "avatar" => $this->executor->userCard->photo ?? '',
-                    ];
-                }
 
-                return null;
-            },
-            'comment_count' => function () {
-                return Comment::find()->where(['entity_id' => $this->id, 'entity_type' => 2, 'status' => Comment::STATUS_ACTIVE])->count();
-            },
-            'taskUsers',
-        ];
-    }
-
-    /**
-     * @return string[]
-     */
-    public function extraFields(): array
-    {
-        return [
-            'timers',
-            'column' => function () {
-                return [
-                    'column_title' => $this->column->title ?? null
-                ];
-            },
-            'mark'
-        ];
-    }
 }
\ No newline at end of file