phala update可无限更新

更升级,又可以升级,升级前后的版本一致(/opt/phala/.env中version都是0.1.5),不应该先判断版本,再确定是否需要升级吗

---------更新成功----------
ubuntu@ubuntu:~$ sudo phala update
----------更新挖矿套件镜像----------
关闭 phala-node phala-pruntime phala-pherry phala-pruntime-bench khala-node
phala-node
phala-node
Untagged: phalanetwork/khala-dev-node:latest
Untagged: phalanetwork/khala-dev-node@sha256:ad946bccb2039412caca15b97eb696d8bb98d00778cc7d068209776e081b11f6
Deleted: sha256:afd23df9a94f34cf4f0c6b0f1d983cf356f8b67518b91d11f5cf4793e16eda2c
Deleted: sha256:380fad623af05371abca9ba007836590ee5e3b628516b9f3b318e847d9bfd456
phala-pruntime
phala-pruntime
Untagged: phalanetwork/phala-dev-pruntime:latest
Untagged: phalanetwork/phala-dev-pruntime@sha256:0436608eabca9be18e69ebdbdc827287d80282beca42e9b96321d8b801146a4b
Deleted: sha256:7ba8405f5a867cf9af674c407a8c88969113c0c6b4fb40ef3fdc5b45f3f62f5e
Deleted: sha256:bbf21530671386cfb86a50ab126683fc022c43d200cc4b3d699c898a5c7d103b
Deleted: sha256:2b0459fe16e1385cfed7fb2a1972d744c420f21bcfa4783dd04087768de7aad9
Deleted: sha256:fe0ca56718a6540968f72a33c0cf0c2b64339923a7092c313a60854d6f55481c
Deleted: sha256:600ae4ccb43a97ac94545dfe06c3536b740aaf93c9d24b1a55f2250bba11eff1
Deleted: sha256:c8a911caf3735f1427ec014d0ec6583c2655c46950bba42d3137fd8b560c63d9
phala-pherry
phala-pherry
Untagged: phalanetwork/phala-dev-pherry:latest
Untagged: phalanetwork/phala-dev-pherry@sha256:880b23ab963d81b2860ef74bb07751de53e318eadceefec2cb760eb3a9712d02
Deleted: sha256:b40851178807824ae239a6105aa8cf941bb44fccac680a314329c272df999963
Deleted: sha256:7cbc436602c8a675caaeab53e1372b510f479538a544a6300f0679b298311fc4
Deleted: sha256:2896872f22f29bf53eee87222a6e6e32d1a7c15ddca084af569269273f02c621
Deleted: sha256:e9c854a81f394cfeb601b6caacf446a23524611260981969f0667f8b626c28ef
Deleted: sha256:287a6e85934c2782e775a12f7cb9abdec09ba687c78a7626079167478547c79b
Deleted: sha256:7555a8182c42c7737a384cfe03a3c7329f646a3bf389c4bcd75379fc85e6c144