oceanctl create backend login error:405 Not Allowed

[dyhalt]

device:
OceanStor Dorado 18800 V6

log:
2025-10-11 10:31:05.736501 1 [INFO]: Try to login https://100.102.226.160:8088.
2025-10-11 10:31:05.771894 1 [ERROR]: Unmarshal response body

<title>405 Not Allowed</title>

405 Not Allowed

---

error error: invalid character '<' looking for beginning of value 2025-10-11 10:31:05.771981 1 [INFO]: Finished validateCreate huawei-csi/backend-demo.

[dyhalt]

"https://100.102.226.160:8088" is the address of device manager

backend.yaml:
storage: "fusionstorage-nas"
name: "backend-demo"
namespace: "huawei-csi"
urls:

• "https://100.102.226.160:8088"
  pools:
• "B13Pool001"
  parameters:
  protocol: "nfs"
  portals:
  • "100.102.226.154"
    maxClientThreads: "30"