模式管理接口优化3

app/Services/EventCalendarService.php

@@ -283,7 +283,7 @@ class EventCalendarService extends BaseService
 
     public static function targetModel()
     {
-        $pattern_id = EventCalendar::query()->where('status', 1)->first(['pattern_id']);
+        $pattern_id = EventCalendar::query()->where('status', 1)->value('pattern_id');
         $columns = ['id as pattern_id', 'name as model_name'];
         if ($pattern_id) {
             $data = ParkingPattern::query()->find($pattern_id, $columns)->toArray();