fix: benchmark client cannot connect to server

[Phoenix500526]

closes: 461

Please briefly answer these questions:
FYI: issue #461

• what problem are you trying to solve? (or if there's no problem, what's the motivation for this change?)

• what changes does this pull request make?

• are there any non-obvious implications of these changes? (does it break compatibility with previous versions, etc)

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.04% ⚠️

Comparison is base (0aca7ab) 54.31% compared to head (578f570) 54.27%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #462      +/-   ##
==========================================
- Coverage   54.31%   54.27%   -0.04%     
==========================================
  Files         102      102              
  Lines       17481    17491      +10     
  Branches    17481    17491      +10     
==========================================
  Hits         9494     9494              
- Misses       7413     7423      +10     
  Partials      574      574              

Files Changed	Coverage Δ
benchmark/src/runner.rs	8.18% <0.00%> (-0.39%)	⬇️
xline/src/server/auth_server.rs	0.00% <ø> (ø)
xline/src/storage/compact/mod.rs	30.00% <ø> (ø)

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[liangyuanpeng]

closes: 461

I think it won't close the issue,