fix(hz): no import in handler for pb

[FGYFFFF]

What type of PR is this?

fix

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• 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.

(Optional) Translate the PR title into Chinese.

修复使用 protobuf 生成代码(主idl和依赖idl的package相同)，handler 中缺少 import 的问题

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

en: Fix the problem of missing import in the handler when using protobuf to generate code (the package of main idl and dependent idl is the same)
zh(optional): 修复使用 protobuf 生成代码(主idl和依赖idl的package相同)，handler 中缺少 import 的问题

Which issue(s) this PR fixes:

[codecov]

Codecov Report

Base: 66.10% // Head: 66.09% // Decreases project coverage by -0.01% ⚠️

Coverage data is based on head (26fa9a2) compared to base (37e5186).
Patch has no changes to coverable lines.

❗ Current head 26fa9a2 differs from pull request most recent head c072760. Consider uploading reports for the commit c072760 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #341      +/-   ##
===========================================
- Coverage    66.10%   66.09%   -0.02%     
===========================================
  Files           85       85              
  Lines         8317     8317              
===========================================
- Hits          5498     5497       -1     
- Misses        2459     2460       +1     
  Partials       360      360              

Impacted Files	Coverage Δ
pkg/common/timer/timer.go	61.90% <0.00%> (-19.05%)	⬇️
pkg/common/compress/compress.go	83.80% <0.00%> (+2.85%)	⬆️

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