docs: Update README.MD that add qq group link.

[li-guohao]

• Update the CHANGES log.
• If this pull request closes/resolves/fixes an existing issue, replace the issue number. Closes #.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.37%. Comparing base (2dbdcc4) to head (1878f41).

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #540   +/-   ##
=========================================
  Coverage     47.37%   47.37%           
  Complexity      702      702           
=========================================
  Files           164      164           
  Lines          6246     6246           
  Branches        330      330           
=========================================
  Hits           2959     2959           
  Misses         3175     3175           
  Partials        112      112           

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