fix: mihomo proxy-group name conflict + error message

internal/handler/egress_info.go

@@ -148,12 +148,12 @@ log-level: warning
 proxies:
 - %s
 proxy-groups:
-- name: PROXY
+- name: PROXY-GROUP
   type: select
   proxies:
   - PROXY
 rules:
-- MATCH,PROXY
+- MATCH,PROXY-GROUP
 `, port, strings.ReplaceAll(strings.TrimSuffix(string(proxyYaml), "\n"), "\n", "\n  "))
 
 	return []byte(config), nil
@@ -251,5 +251,5 @@ func waitTCP(host string, port int, timeout time.Duration) error {
 		}
 		time.Sleep(100 * time.Millisecond)
 	}
-	return fmt.Errorf("Timed out waiting for sing-box")
+	return fmt.Errorf("Timed out waiting for mihomo")
 }