optimize: trace doFinish multiple times

[FGYFFFF]

What type of PR is this?

optimize

Check the PR title.

• This PR title match the format: <type>(optional scope): <description>
• The description of this PR title is user-oriented and clear enough for others to understand.
• Attach the PR updating the user documentation if the current PR requires user awareness at the usage level. User docs repo

(Optional) Translate the PR title into Chinese.

优化trace中 dofinish 执行多次的情况

(Optional) More detailed description for this PR(en: English/zh: Chinese).

en: 优化trace中 dofinish 执行多次的情况
zh(optional): 用户使用短连接的时候，trace.DoFinish 会执行多次，导致上报重复的情况

(Optional) Which issue(s) this PR fixes:

(Optional) The PR that updates user documentation:

[codecov]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (e02c162) 81.86% compared to head (014affc) 81.86%.

❗ Current head 014affc differs from pull request most recent head 0639f55. Consider uploading reports for the commit 0639f55 to get more accurate results

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #989   +/-   ##
========================================
  Coverage    81.86%   81.86%           
========================================
  Files           98       98           
  Lines         9932     9932           
========================================
  Hits          8131     8131           
  Misses        1311     1311           
  Partials       490      490           

Files	Coverage Δ
pkg/protocol/http1/server.go	72.24% <0.00%> (-0.96%)	⬇️

... and 1 file with indirect coverage changes

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[welkeyever]

LGTM