fix(hz): fix the error of inserting to import for different os

[FGYFFFF]

What type of PR is this?

fix

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修复插入import时由于不同系统换行符带来的影响

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

en: fix the error of inserting to import for different os zh(optional): 修复插入import时由于不同系统换行符带来的影响

Which issue(s) this PR fixes:

[codecov[bot]]

Codecov Report

Base: 64.54% // Head: 66.17% // Increases project coverage by +1.62% :tada:

Coverage data is based on head (1e870bf) compared to base (90536d9). Patch coverage: 0.00% of modified lines in pull request are covered.

:exclamation: Current head 1e870bf differs from pull request most recent head 625c984. Consider uploading reports for the commit 625c984 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #327      +/-   ##
===========================================
+ Coverage    64.54%   66.17%   +1.62%     
===========================================
  Files           85       85              
  Lines         8315     8319       +4     
===========================================
+ Hits          5367     5505     +138     
+ Misses        2585     2455     -130     
+ Partials       363      359       -4     

Impacted Files	Coverage Δ
pkg/app/client/client.go	73.41% <0.00%> (-1.91%)	:arrow_down:
pkg/network/netpoll/dial.go	0.00% <ø> (ø)
pkg/route/default.go	100.00% <ø> (ø)
pkg/protocol/header.go	73.85% <0.00%> (+17.51%)	:arrow_up:
pkg/common/timer/timer.go	80.95% <0.00%> (+19.04%)	:arrow_up:

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