Use with llam.cpp？

[Meme-code]

How to use this project with llam.cpp?
I use .\server open a simple llam.cpp server and add Changed endpoint in next web to http://localhost:8080.
Then I got {"timestamp":1701387091,"level":"INFO","function":"log_server_request","line":2485,"message":"request","remote_addr":"127.0.0.1","remote_port":2234,"status":200,"method":"OPTIONS","path":"/v1/chat/completions","params":{}}
in llam log, but next web tell me
{
"error": true,
"message": "Failed to fetch"
}