Change default dn rpc address

[HTHou]

Description

Change default dn rpc address to 127.0.0.1

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 39.23%. Comparing base (f4e8521) to head (405fc6c).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #17060      +/-   ##
============================================
- Coverage     39.24%   39.23%   -0.02%     
  Complexity      282      282              
============================================
  Files          5105     5105              
  Lines        341457   341457              
  Branches      43517    43517              
============================================
- Hits         134012   133977      -35     
- Misses       207445   207480      +35     

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