feat: get dialer name

[FGYFFFF]

What type of PR is this?

feat

What this PR does / why we need it (English/Chinese):

en: Add the function to get the dialer name zh: 添加获取 dialer 名的方法

Which issue(s) this PR fixes:

[codecov[bot]]

Codecov Report

Base: 59.18% // Head: 59.08% // Decreases project coverage by -0.09% :warning:

Coverage data is based on head (be567fb) compared to base (0bebcc5). Patch coverage: 35.29% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #198      +/-   ##
===========================================
- Coverage    59.18%   59.08%   -0.10%     
===========================================
  Files           79       79              
  Lines         8114     8144      +30     
===========================================
+ Hits          4802     4812      +10     
- Misses        2958     2977      +19     
- Partials       354      355       +1     

Impacted Files	Coverage Δ
pkg/route/engine.go	61.98% <0.00%> (-2.38%)	:arrow_down:
pkg/app/client/client.go	74.02% <85.71%> (+2.59%)	:arrow_up:
pkg/common/timer/timer.go	61.90% <0.00%> (-19.05%)	:arrow_down:

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