Hi Chen,

system host-memory-modify -f vswitch -1G 1 controller-0 1
+-------------------------------------+--------------------------------------+
| Property                            | Value                                |
+-------------------------------------+--------------------------------------+
| Memory: Usable Total (MiB)          | 0                                    |
|         Platform     (MiB)          | 1000                                 |
|         Available    (MiB)          | 0                                    |
| Huge Pages Configured               | True                                 |
| vSwitch Huge Pages: Size (MiB)      | 1024                                 |
|                     Total           | 0                                    |
|                     Available       | 0                                    |
|                     Required        | 1                                    |
| Application  Pages (4K): Total      | None                                 |
| Application  Huge Pages (2M): Total | 0                                    |
|                 Available           | 0                                    |
| Application  Huge Pages (1G): Total | 0                                    |
|                 Total Pending       | 100                                  |
|                 Available           | 0                                    |
| uuid                                | a6a48f19-aa6a-4bbc-86a5-8ebfa534a2fc |
| ihost_uuid                          | 62ee2379-1d54-4f44-b0b0-75ad83fa145b |
| inode_uuid                          | 44373052-19dc-40a6-9931-bc8d046c9a97 |
| created_at                          | 2020-01-07T03:50:38.114011+00:00     |
| updated_at                          | 2020-01-07T06:26:11.064348+00:00     |
+-------------------------------------+--------------------------------------+

It work! Thx~
[sysadmin@controller-0 ~(keystone_admin)]$ system host-unlock controller-0
+-----------------------+--------------------------------------------+
| Property              | Value                                      |
+-----------------------+--------------------------------------------+
| action                | none                                       |
| administrative        | locked                                     |
| availability          | online                                     |
| bm_ip                 | None                                       |
| bm_type               | none                                       |
| bm_username           | None                                       |
| boot_device           | /dev/disk/by-path/pci-0000:00:17.0-ata-1.0 |
| capabilities          | {u'stor_function': u'monitor'}             |
| clock_synchronization | ntp                                        |
| config_applied        | 4bb04add-b104-47f5-9df4-7cfeec25d52c       |
| config_status         | None                                       |
| config_target         | cbb04add-b104-47f5-9df4-7cfeec25d52c       |
| console               | tty0                                       |
| created_at            | 2020-01-07T03:50:09.737602+00:00           |
| hostname              | controller-0                               |
| id                    | 1                                          |
| install_output        | text                                       |
| install_state         | None                                       |
| install_state_info    | None                                       |
| inv_state             | inventoried                                |
| invprovision          | provisioning                               |
| location              | {}                                         |
| mgmt_ip               | 192.168.204.2                              |
| mgmt_mac              | 00:00:00:00:00:00                          |
| operational           | disabled                                   |
| personality           | controller                                 |
| reserved              | False                                      |
| rootfs_device         | /dev/disk/by-path/pci-0000:00:17.0-ata-1.0 |
| serialid              | None                                       |
| software_load         | 19.12                                      |
| subfunction_avail     | online                                     |
| subfunction_oper      | disabled                                   |
| subfunctions          | controller,worker                          |
| task                  | Unlocking                                  |
| tboot                 | false                                      |
| ttys_dcd              | None                                       |
| updated_at            | 2020-01-07T06:26:46.047919+00:00           |
| uptime                | 10154                                      |
| uuid                  | 62ee2379-1d54-4f44-b0b0-75ad83fa145b       |
| vim_progress_status   | None                                       |
+-----------------------+--------------------------------------------+

Best Regards,