确少参数

<h1 style="text-align:center;">确少参数</h1><br />
<b>Fatal error</b>:  Uncaught exception 'think\exception\ErrorException' with message 'mkdir(): Permission denied' in /www/wwwroot/jianjing.cn/thinkphp/library/think/log/driver/File.php:49
Stack trace:
#0 [internal function]: think\Error::appError(2, 'mkdir(): Permis...', '/www/wwwroot/ji...', 49, Array)
#1 /www/wwwroot/jianjing.cn/thinkphp/library/think/log/driver/File.php(49): mkdir('/www/wwwroot/ji...', 493, true)
#2 /www/wwwroot/jianjing.cn/thinkphp/library/think/Log.php(157): think\log\driver\File-&gt;save(Array)
#3 /www/wwwroot/jianjing.cn/thinkphp/library/think/Error.php(84): think\Log::save()
#4 [internal function]: think\Error::appShutdown()
#5 {main}
  thrown in <b>/www/wwwroot/jianjing.cn/thinkphp/library/think/log/driver/File.php</b> on line <b>49</b><br />