'log'

app/Modules/Book/Services/BookConfigService.php

@@ -149,6 +149,8 @@ class BookConfigService
     public static function findFreeBooks(int $sex)
     {
         $config = self::findFreeBookConfig($sex);
+        \Log::info('return_empty_free_books:');
+        \Log::info($config);
         if ($config) {
             $free_books =  FreeBook::where('config_id', $config->id)
                 ->where('is_enabled', 1)