[BugFix: ZSTACK-25719] xsky/standstone only support add exist pool
[BugFix: ZSTACK-25719] xsky/standstone only support add exist pool

zstackorg/zstack-utility,zstackorg/zstack-utility,zstackorg/zstack-utility,zstackio/zstack-utility,zstackio/zstack-utility,zstackio/zstack-utility