refactor: fix code issue brought by 660

[allencloud]

Signed-off-by: Allen Sun [email protected]

1.Describe what this PR did

I merged #660 , while @YaoZengzeng found that there are some code needed improvement. So I submit a PR to fix this.

2.Does this pull request fix one issue?
NONE

3.Describe how you did it
NONE

4.Describe how to verify it
NONE

5.Special notes for reviews
NONE

[codecov-io]

Codecov Report

Merging #675 into master will decrease coverage by <.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master     #675      +/-   ##
==========================================
- Coverage   10.16%   10.15%   -0.01%     
==========================================
  Files          71       71              
  Lines        3425     3427       +2     
==========================================
  Hits          348      348              
- Misses       3038     3040       +2     
  Partials       39       39

Impacted Files	Coverage Δ
cli/container.go	25.92% <0%> (-0.33%)	⬇️
cli/run.go	0% <0%> (ø)	⬆️
cli/create.go	0% <0%> (ø)	⬆️

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[YaoZengzeng]

LGTM.