错误提示：

Undefined variable: O_0

错误位置：

[8] think\exception\ErrorException

/www/wwwroot/host433406_157ePrn/config/newfile.php line 757

TRACE：

1. in newfile.php line 757
2. at Error::appError(8, 'Undefined variable: ...', '/www/wwwroot/host433...', 757, ['file' => '/www/wwwroot/host433...', 'name' => 'newfile', 'type' => 'php', ...]) in newfile.php line 757
3. at include('/www/wwwroot/host433...') in Config.php line 174
4. at Config->loadFile('/www/wwwroot/host433...', 'newfile') in Config.php line 125
5. at Config->load('/www/wwwroot/host433...', 'newfile') in App.php line 325
6. at App->init() in App.php line 211
7. at App->initialize() in App.php line 379
8. at App->run() in index.php line 50