optimize(hlog): distinguish systemlogger and defaultlogger

[li-jin-gou]

What type of PR is this?

optimize

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区分系统日志和默认日志

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

en: distinguish systemlogger and defaultlogger
zh: 区分系统日志和默认日志

[codecov]

Codecov Report

Base: 61.57% // Head: 64.35% // Increases project coverage by +2.78% 🎉

Coverage data is based on head (e1b0cd9) compared to base (202fe6a).
Patch coverage: 40.00% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #266      +/-   ##
===========================================
+ Coverage    61.57%   64.35%   +2.78%     
===========================================
  Files           84       84              
  Lines         8288     8288              
===========================================
+ Hits          5103     5334     +231     
+ Misses        2831     2592     -239     
- Partials       354      362       +8     

Impacted Files	Coverage Δ
pkg/app/client/loadbalance/lbcache.go	79.45% <0.00%> (ø)
pkg/app/client/loadbalance/weight_random.go	88.09% <0.00%> (ø)
pkg/network/netpoll/transport.go	0.00% <0.00%> (ø)
pkg/network/standard/transport.go	0.00% <0.00%> (ø)
pkg/protocol/http1/client.go	35.86% <0.00%> (ø)
pkg/app/fs.go	68.65% <10.00%> (ø)
pkg/route/engine.go	62.06% <11.11%> (ø)
pkg/app/server/render/html.go	37.50% <77.77%> (ø)
pkg/app/server/hertz.go	75.00% <80.00%> (ø)
internal/stats/tracer.go	90.00% <100.00%> (ø)
... and 9 more

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[welkeyever]

lgtm