diff --git a/config/params.php b/config/params.php
index c919a1cc..73fa4f8e 100644
--- a/config/params.php
+++ b/config/params.php
@@ -7,5 +7,5 @@ return [
     "maxPicture" => 9999,
     "version" => "1.0.7",
     "autoSyncLog" => false,
-    "timeoutRequestServer" => 10
+    "timeoutRequestServer" => 4
 ];
diff --git a/controllers/ApiController.php b/controllers/ApiController.php
index 08fb3b0c..47f28d86 100644
--- a/controllers/ApiController.php
+++ b/controllers/ApiController.php
@@ -58,6 +58,7 @@ class ApiController extends Controller {
 
     public function actionGetLogs() {
         if (Yii::$app->request->post()) {
+            Yii::$app->response->format = "json";
             $post = Yii::$app->request->bodyParams;
             $time = date_format(date_create_from_format('Y-m-d H:i:s', $post['time']), 'U');
             $key = common::generateRandomString();
@@ -73,6 +74,11 @@ class ApiController extends Controller {
                 @unlink("/var/www/html/BiFace_Server_Lite/web/data/uploads/face/" . $lastLogs->image);
                 $lastLogs->delete();
             }
+            $lastLogs = CaptureLogs::find()->andWhere(["staff_id" => $post['id']])->orderBy(["time" => SORT_DESC])->limit(1)->one();
+            if (($time - $lastLogs->time) < 1) {
+                file_put_contents("log_connect_server.txt", "\n[" . date("H:i:s d/m/Y") . "] duplicate face " . $post["id"], FILE_APPEND);
+                return ["status" => "success"];
+            }
 
             $model = new CaptureLogs();
             $logs = $model->create([
@@ -126,7 +132,6 @@ class ApiController extends Controller {
                     file_put_contents("log_connect_server.txt", "\n[" . date("H:i:s d/m/Y") . "] /api/box/face_recognition_auth_v2 timeout " . $ip, FILE_APPEND);
                 }
             }
-            Yii::$app->response->format = "json";
             return ["status" => "success"];
         }
     }
@@ -407,7 +412,7 @@ class ApiController extends Controller {
 //            file_put_contents("log_connect_server.txt", "\n" . date("H:i:s d/m/Y") . " connected " . $host . ":" . $port, FILE_APPEND);
         } else {
             $is_conn = false; //action in connection failure
-//            file_put_contents("log_connect_server.txt", "\n" . date("H:i:s d/m/Y") . " disconnected " . $host . ":" . $port, FILE_APPEND);
+            file_put_contents("log_connect_server.txt", "\n[" . date("H:i:s d/m/Y") . "] disconnected " . $host . ":" . $port, FILE_APPEND);
         }
         return $is_conn;
     }