feat: add panic recovery in ping

[hezhangjian]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 12.50000% with 7 lines in your changes missing coverage. Please review.

Project coverage is 69.93%. Comparing base (666de6b) to head (b7d3260).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
zk/protocol_client.go	12.50%	6 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #31      +/-   ##
==========================================
- Coverage   70.27%   69.93%   -0.35%     
==========================================
  Files          40       40              
  Lines        1349     1357       +8     
==========================================
+ Hits          948      949       +1     
- Misses        332      338       +6     
- Partials       69       70       +1     

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