diff --git a/configs/views.py b/configs/views.py
index b72934d..83d5605 100644
--- a/configs/views.py
+++ b/configs/views.py
@@ -20,10 +20,8 @@ class ConfigsView(BaseView):
             return '/configs/?stage=production'
         self.stage = self.request.GET['stage']
         self.context['stage'] = self.stage
-
-    def get(self):
-        self.context['configs'] = Config.objects.filter(project=self.request.user.selected_project, stage=self.stage).order_by('name')
-        self.context['error'] = 'error' in self.request.GET
+        self.context['configs'] = Config.objects.filter(project=self.request.user.selected_project,
+                                                        stage=self.stage).order_by('name')
 
     def post_create_config(self):
         Config.objects.create(name=self.request.POST['name'], project=self.request.user.selected_project, stage=self.stage)
@@ -36,11 +34,14 @@ class ConfigsView(BaseView):
 
     def post_save(self):
         data = self.request.POST['data']
+        config = Config.objects.get(id=self.request.POST['config'])
         try:
             data = loads(data)
         except:
-            return '/configs?error=config_is_not_json'
-        config = Config.objects.get(id=self.request.POST['config'])
+            self.context['incorrect_config'] = config
+            self.context['incorrect_data'] = data
+            self.context['error'] = True
+            return
         config.data = data
         config.save()
         return '/configs/?stage=' + config.stage
diff --git a/templates/configs.html b/templates/configs.html
index 43879fa..34e6b6d 100644
--- a/templates/configs.html
+++ b/templates/configs.html
@@ -28,7 +28,7 @@
     </div>
     {% if error %}
         <div class="alert alert-danger" role="alert">
-          Конфиг не имеет вид JSON!
+          Конфиг {{ incorrect_config.name }} не имеет вид JSON!
         </div>
     {% endif %}
     <table class="table">
@@ -52,11 +52,11 @@
                                         <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                                     </div>
                                     <div class="modal-body">
-                                        <textarea style="width: 100%; height: 800px;" name="data">{{ config.data_pretty }}</textarea>
+                                        <textarea style="width: 100%; height: 800px;{% if config.id == incorrect_config.id %}border: 1px solid #f00;{% endif %}" name="data">{% if config.id == incorrect_config.id %}{{ incorrect_data }}{% else %}{{ config.data_pretty }}{% endif %}</textarea>
                                     </div>
                                     <div class="modal-footer">
                                         <button type="submit" name="action" value="save" class="btn btn-secondary">Сохранить</button>
-                                        <button type="submit" name="action" value="delete" class="btn btn-danger">Удалить</button>
+                                        <button type="submit" name="action" value="delete" class="btn btn-danger" onclick="return confirm('Подтверди удаление. Это действие необратимо.');">Удалить</button>
                                         <button type="button" class="btn btn-link text-gray-600 ms-auto" data-bs-dismiss="modal">Закрыть</button>
                                     </div>
                                 </form>