old_contents: #coding:utf-8
  terminal_servers_conf = [
  	{
  		"host": "52.10.82.82",
  		"port": 8089,
  		"tag": "word2vec",
  	},
  	{
  		"host": "52.10.82.82",
  		"port": 8089,
  		"tag": "user profile",
  	}
  ]
new_contents: #coding:utf-8
  terminal_servers_conf = [
  	{
  		"host": "127.0.0.1",
  		"port": 8089,
  		"tag": "word2vec",
  	},
  	{
  		"host": "127.0.0.1",
  		"port": 8089,
  		"tag": "user profile",
  	}
  ]
  
subject: update conf