Fix: Send multiple pkgs repetitive by tcp

[watermelo]

No description provided.

[codecov-commenter]

Codecov Report

Merging #44 into master will increase coverage by 0.12%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master      #44      +/-   ##
==========================================
+ Coverage   63.20%   63.33%   +0.12%     
==========================================
  Files          20       20              
  Lines        3286     3300      +14     
==========================================
+ Hits         2077     2090      +13     
  Misses        917      917              
- Partials      292      293       +1     

Impacted Files	Coverage Δ
transport/client.go	73.12% <22.22%> (ø)
transport/server.go	68.63% <43.75%> (-0.10%)	⬇️
transport/session.go	67.92% <58.82%> (+1.19%)	⬆️
transport/connection.go	80.39% <100.00%> (+0.85%)	⬆️
rpc/listener.go	60.12% <0.00%> (-1.90%)	⬇️
rpc/codec.go	58.01% <0.00%> (-0.95%)	⬇️
rpc/client.go	78.51% <0.00%> (-0.75%)	⬇️

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[jococi]

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