fix

app/Modules/Book/Models/FreeBookConfig.php

@@ -11,6 +11,6 @@ class FreeBookConfig extends Model
         'sex',
         'name',
         'end_time',
-        'is_enable',
+        'is_enabled',
     ];
 }

app/Modules/Book/Services/BookConfigService.php

@@ -474,7 +474,7 @@ class BookConfigService
      */
     public static function findFreeBookConfig(int $sex)
     {
-        return FreeBookConfig::where(['sex' => $sex, 'is_enable' => 1])->orderBy('end_time')->first();
+        return FreeBookConfig::where(['sex' => $sex, 'is_enabled' => 1])->orderBy('end_time')->first();
     }
 
     /**