Fatal error: Uncaught Error: Call to undefined function think\function_tool() in /home/wwwroot/olgd.sanzhiqi.com/core/start.php:15
Stack trace:
#0 /home/wwwroot/olgd.sanzhiqi.com/index.php(55): require()
#1 {main}
thrown in /home/wwwroot/olgd.sanzhiqi.com/core/start.php on line 15