start the bitcoin Synchronize command

RPConerpc, 123

bitcoin -server -printtoconsole

here are some logs

2018-04-16 01:49:10 addcon thread start
2018-04-16 01:49:10 init message: Done loading
2018-04-16 01:49:10 opencon thread start
2018-04-16 01:49:10 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:10 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:10 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:10 msghand thread start
2018-04-16 01:49:11 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:11 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:11 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:11 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:12 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:12 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:13 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:15 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:16 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:18 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:20 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:23 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)
2018-04-16 01:49:25 connect() to 127.0.0.1:9050 failed after select(): Connection refused (111)

View screenshot of network status:

$ bitcoin-cli -rpcuser=onerpc -rpcpassword=123 getnetworkinfo

{
  "version": 160000,
  "subversion": "/Satoshi:0.16.0/",
  "protocolversion": 70015,
  "localservices": "000000000000040d",
  "localrelay": true,
  "timeoffset": 0,
  "networkactive": true,
  "connections": 0,
  "networks": [
    {
      "name": "ipv4",
      "limited": false,
      "reachable": true,
      "proxy": "127.0.0.1:9050",
      "proxy_randomize_credentials": true
    },
    {
      "name": "ipv6",
      "limited": false,
      "reachable": true,
      "proxy": "127.0.0.1:9050",
      "proxy_randomize_credentials": true
    },