code: func NewConfig() *Config {
  	return &Config{
  		CollectJobs:   100,
  		CollectPeriod: 1000,
  		WorkerBufLen:  10,
  		Workers:       0,
  
  		TypeConfig: TypeConfig{
  			TryLimit:  3,
  			TryPeriod: 60000,
  		},
  		Types: make(map[string]TypeConfig),
  	}
  }
docs: // NewConfig creates a default job queue configuration.