chore(shell): use execPath in startup.sh

[huangyoukun]

Checklist:

• test cases has added or updated
• documentation has added or updated
• commit message follows the convention commit guidelines

[codecov-io]

Codecov Report

Merging #110 into dev will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev     #110   +/-   ##
=======================================
  Coverage   32.36%   32.36%           
=======================================
  Files          39       39           
  Lines        2070     2070           
=======================================
  Hits          670      670           
  Misses       1400     1400

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