apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/environment/Env.java/Env/equals
class Env:  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    Env env = (Env) o;
    if (getName().equals(env.getName())) {
      throw new RuntimeException(getName() + " is same environment name, but their Env not same");
    } else {
      return false;
    }
  }