https://doc.crmeb.com/pro/crmebprov2/1165 跟着这里的安装指南一步来的，但是到了程序安装的时候就弹出错误

500 Internal Server Error

linux错误日志：

2023/11/03 11:25:37 [alert] 29052#0: *39 no upstream configuration, client: 183.36.70.131, server: www.zgzmbl.com, request: ＂GET /install/index HTTP/2.0＂, host: ＂www.zgzmbl.com＂

2023/11/03 11:25:38 [alert] 29052#0: *39 no upstream configuration, client: 183.36.70.131, server: www.zgzmbl.com, request: ＂GET /install/index HTTP/2.0＂, host: ＂www.zgzmbl.com＂

2023/11/03 11:28:25 [error] 4347#0: *45 open() ＂/www/server/stop/public/install/index＂ failed (2: No such file or directory), client: 183.36.70.131, server: www.zgzmbl.com, request: ＂GET /install/index HTTP/2.0＂, host: ＂www.zgzmbl.com＂

2023/11/03 11:28:26 [error] 4347#0: *45 open() ＂/www/server/stop/public/install/index＂ failed (2: No such file or directory), client: 183.36.70.131, server: www.zgzmbl.com, request: ＂GET /install/index HTTP/2.0＂, host: ＂www.zgzmbl.com＂

2023/11/03 11:28:26 [error] 4347#0: *45 open() ＂/www/server/stop/public/install/index＂ failed (2: No such file or directory), client: 183.36.70.131, server: www.zgzmbl.com, request: ＂GET /install/index HTTP/2.0＂, host: ＂www.zgzmbl.com＂

2023/11/03 11:28:26 [error] 4347#0: *45 open() ＂/www/server/stop/public/install/index＂ failed (2: No such file or directory), client: 183.36.70.131, server: www.zgzmbl.com, request: ＂GET /install/index HTTP/2.0＂, host: ＂www.zgzmbl.com＂

2023/11/03 11:34:15 [alert] 8031#0: *55 no upstream configuration, client: 183.36.70.131, server: www.zgzmbl.com, request: ＂GET /install/index HTTP/2.0＂, host: ＂www.zgzmbl.com＂