nginx启动报错has suspicious symbols

nginx启动时报错：server name "http://ylngsmart.com/" has suspicious symbols in D:\program\nginx-1.20.0/conf/nginx.conf:37

我在配置文件中写的是这样的：

错误原因:nginx要求  server_name 不能包含“/”    

错误：server_name http://xxx.com;

正确：server_name xxx.com;