Unable to start Appium server

Appium] Welcome to Appium v1.9.1
[Appium] Appium REST http interface listener started on 0.0.0.0:4723

After that

HTTP] --> GET /
[HTTP] {}
[debug] [HTTP] No route found. Setting content type to ‘text/plain’
[HTTP] <-- GET / 404 10 ms - 43
[HTTP]
[HTTP] <-- GET /favicon.ico 200 11 ms - 1150
[HTTP]

At these stage i am stuck i don’t know how go ahead