fix: archive dir error#2

[andyzhangx]

What type of PR is this?
/kind bug

What this PR does / why we need it:
fix: archive dir error#2
refix: #729

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

fix: archive dir error

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [andyzhangx]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[coveralls]

Pull Request Test Coverage Report for Build 10328140612

Details

• 16 of 19 (84.21%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.02%) to 78.846%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/nfs/utils.go	12	13	92.31%
pkg/nfs/controllerserver.go	4	6	66.67%

Totals
Change from base Build 10327860558:	0.02%
Covered Lines:	902
Relevant Lines:	1144

---

💛 - Coveralls