apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/enricher/adapter/AppDtoUserInfoEnrichedAdapter.java/AppDtoUserInfoEnrichedAdapter/setFirstUserDisplayName
class AppDtoUserInfoEnrichedAdapter:  @Override
  public final void setFirstUserDisplayName(String userDisplayName) {
    this.dto.setDataChangeCreatedByDisplayName(userDisplayName);
  }