我正在制作一个脚本，用电子邮件打开和关闭我的灯，除了它不会更新到最新的电子邮件，我不知道为什么之外，一切都正常。我在网上找不到任何东西，也没有尝试任何东西，因为我完全迷路了。顺便说一句，脚本第一次运行时会运行最新的电子邮件，但之后不会再运行
这是我的代码，请帮忙
根据我的理解，while循环应该工作的方式是获取一个主题，然后检查它是否符合我要求它查找的内容，然后检查它是否符合我的要求。它转到顶部，再次检查最近的主题，然后检查它是否符合我要找的内容，然后一次又一次地执行

import java.util.Properties;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.NoSuchProviderException;
import javax.mail.Session;
import javax.mail.Store;
public class GetEmails {
    public static void on(){
        SSH on = new SSH();
        on.command = "python3 on.py";
        on.run();
    }
    public static void off(){
        SSH off = new SSH();
        off.command = "python3 off.py";
        off.run();
    }
    public static void check(String host, String storeType, String user,
                             String password)
    {
        try {
            //create properties field
            Properties properties = new Properties();
            properties.put("mail.pop3.host", host);
            properties.put("mail.pop3.port", "995");
            properties.put("mail.pop3.starttls.enable", "true");
            Session emailSession = Session.getDefaultInstance(properties);
            //create the POP3 store object and connect with the pop server
            Store store = emailSession.getStore("pop3s");
            store.connect(host, user, password);
            //create the folder object and open it
            Folder emailFolder = store.getFolder("INBOX");
            emailFolder.open(Folder.READ_ONLY);
            // retrieve the messages from the folder in an array
            Message[] messages = emailFolder.getMessages();
            boolean power = true;
            while(true){
                int i = messages.length - 1;
                Message message = messages[i];
                String subject = message.getSubject();
//                System.out.println(subject);
                if(subject.equals("+myRoom") & power == false){
                    on();
                    power = true;
                    System.out.println("Light on");
                }
                else if (subject.equals("-myRoom") & power == true){
                    off();
                    power = false;
                    System.out.println("Light Off");
                }
                else{
                    continue;
                }
            }
        } catch (NoSuchProviderException e) {
            e.printStackTrace();
        } catch (MessagingException e) {
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    public static void main(String[] args) {
        String host = "pop.gmail.com";// change accordingly
        String mailStoreType = "pop3";
        String username = "EMAIL@gmail.com";// change accordingly
        String password = "PASSWORD";// change accordingly
        check(host, mailStoreType, username, password);
    }
}