fix bug updating flag

controllers/ApiController.php

@@ -420,11 +420,19 @@ class ApiController extends Controller {
     }
 
     public function actionReGenFeature() {
-        if (Yii::$app->request->isAjax) {
-            $updating = \app\models\SyncUrl::findOne(['key_config' => 'updating']);
+        $updating = \app\models\SyncUrl::findOne(['key_config' => 'updating']);
+        if (!$updating) {
+            $model = new \app\models\SyncUrl();
+            $model->create([
+                'key_config' => "updating",
+                'data' => "false"
+            ]);
+        } else {
             $updating->data = "false";
-            return $updating->save();
+            $updating->save();
         }
+        Yii::$app->response->format = "json";
+        return ["data" => "reset updating flag"];
     }
 
 }