Description

[mac port mapping does not work]

Steps to Reproduce

1. ./bin/cita port 1338:1338 1339:1339 1340:1340
   
   2. ./bin/cita port 1338:1338
   

Expected behavior: [support mac multiple port mapping]

Actual behavior: [only support one port mapping]

Reproduce how often: [every]

Versions

[develop v0.23]