docs: 删除多余的注释，补充文档

[hanshuaikang]

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[codecov]

Codecov Report

Merging #175 (7d67b3a) into master (01ed48d) will increase coverage by 0.04%.
Report is 4 commits behind head on master.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #175      +/-   ##
==========================================
+ Coverage   86.81%   86.86%   +0.04%     
==========================================
  Files          61       61              
  Lines        3133     3144      +11     
==========================================
+ Hits         2720     2731      +11     
  Misses        413      413              

Files Changed	Coverage Δ
bamboo_engine/api.py	61.23% <100.00%> (+2.55%)	⬆️

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