[ISSUE #6308]fix docs

[Star-tears]

Make sure set the target branch to develop

What is the purpose of the change

fix #6308

Brief changelog

XX

Verifying this change

XXXX

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[mxsm]

Hi @Star-tears Thanks for your contribution, you can create issue first and then link this pr to it

[tsunghanjacktsai]

Hey @Star-tears , thanks for improving our documentation, would you mind also fixing this at: https://github.com/apache/rocketmq-site/tree/new-official-website ? It is where our official documentation at now.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.19%. Comparing base (244e8f9) to head (49c784f).
Report is 716 commits behind head on develop.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #6301      +/-   ##
=============================================
+ Coverage      43.12%   43.19%   +0.06%     
- Complexity      8858     8865       +7     
=============================================
  Files           1094     1094              
  Lines          77254    77254              
  Branches       10083    10083              
=============================================
+ Hits           33319    33370      +51     
+ Misses         39761    39719      -42     
+ Partials        4174     4165       -9     

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