| @@ -14,7 +14,7 @@ | ||
| 14 | 14 | */ | 
| 15 | 15 | public static function primaryKey() | 
| 16 | 16 |      { | 
| 17 | - return static::tableName() . "_id"; | |
| 17 | + return static::tableName()."_id"; | |
| 18 | 18 | } | 
| 19 | 19 | |
| 20 | 20 | |