Warning: Unsupported declare 'strict_types' in C:\wwwroot\html.580980.com\yidecms_thinkphp\vendor\topthink\framework\src\think\response\Jsonp.php on line 11

Fatal error: Default value for parameters with a class type hint can only be NULL in C:\wwwroot\html.580980.com\yidecms_thinkphp\vendor\topthink\framework\src\think\response\Jsonp.php on line 35