Improve skywalking-deploy.sh

[arugal]

Please answer these questions before submitting pull request

• Why submit this pull request?

• Bug fix

• New feature provided

• Improve performance

• Related issues

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Bug fix

• Bug description.

• How to fix?

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New feature or improvement

• Describe the details and related test reports.

[innerpeacez]

/lgtm

[codecov-io]

Codecov Report

Merging #4064 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4064   +/-   ##
=======================================
  Coverage   26.85%   26.85%           
=======================================
  Files        1134     1134           
  Lines       24980    24980           
  Branches     3601     3601           
=======================================
  Hits         6709     6709           
  Misses      17674    17674           
  Partials      597      597

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