docs: fix sdk dead links

[nisiyong]

What's the purpose of this PR

XXXXX

Which issue(s) this PR fixes:

Fixes #

Brief changelog

XXXXX

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (73b4b84) 49.59% compared to head (ccf05a5) 49.65%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5086      +/-   ##
============================================
+ Coverage     49.59%   49.65%   +0.06%     
- Complexity     1907     1908       +1     
============================================
  Files           372      372              
  Lines         11564    11564              
  Branches       1127     1127              
============================================
+ Hits           5735     5742       +7     
+ Misses         5486     5479       -7     
  Partials        343      343              

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