mongodb添加查询comment支持

[blight19]

[request-info[bot]]

你好!感谢你反馈的问题/bug，但是你的描述好像是空的，我们需要你完整的信息，这样才能帮你解决问题 如果不知道怎么写，在新建issue的时候有若干个模板可供选择，祝好！

[blight19]

添加mongodb查询时候的comment 支持

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 78.93%. Comparing base (5377b42) to head (4b6fad1). :warning: Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2841   +/-   ##
=======================================
  Coverage   78.92%   78.93%           
=======================================
  Files         129      129           
  Lines       18690    18691    +1     
=======================================
+ Hits        14752    14753    +1     
  Misses       3938     3938           

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[LeoQuote]

请rebase下使用最新的master做base