QQ邮箱发邮件到阿里云邮箱，发送成功，内容显示正常，但是用户编号和用户昵称显示为null，数据库里

Question

QQ邮箱发邮件到阿里云邮箱，发送成功，内容显示正常，但是用户编号和用户昵称显示为null，数据库里也没有相关内容

控制台报错内容

>>>>>>>>>>>>>>用户编号：null
用户昵称：null
反馈内容：xcd<<<<<<<<<<<<<<<<<<
DEBUG: Jakarta Mail version 1.6.5
DEBUG: successfully loaded resource: /META-INF/javamail.default.providers
DEBUG: Tables of loaded providers
DEBUG: Providers Listed By Class Name: {com.sun.mail.smtp.SMTPTransport=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle], com.sun.mail.imap.IMAPSSLStore=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Oracle], com.sun.mail.pop3.POP3Store=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Oracle], com.sun.mail.smtp.SMTPSSLTransport=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Oracle], com.sun.mail.imap.IMAPStore=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Oracle], com.sun.mail.pop3.POP3SSLStore=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Oracle]}
DEBUG: Providers Listed By Protocol: {imap=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Oracle], smtp=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle], pop3=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Oracle], imaps=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Oracle], smtps=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Oracle], pop3s=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Oracle]}
DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle]
DEBUG SMTP: useEhlo true, useAuth false
DEBUG SMTP: trying to connect to host "smtp.qq.com", port 587, isSSL false
220 newxmesmtplogicsvrsza8.qq.com XMail Esmtp QQ Mail Server.
DEBUG SMTP: connected to host "smtp.qq.com", port: 587
EHLO DESKTOP-OS7FIA2
250-newxmesmtplogicsvrsza8.qq.com
250-PIPELINING
250-SIZE 73400320
250-STARTTLS
250-AUTH LOGIN PLAIN XOAUTH XOAUTH2
250-AUTH=LOGIN
250-MAILCOMPRESS
250 8BITMIME
DEBUG SMTP: Found extension "PIPELINING", arg ""
DEBUG SMTP: Found extension "SIZE", arg "73400320"
DEBUG SMTP: Found extension "STARTTLS", arg ""
DEBUG SMTP: Found extension "AUTH", arg "LOGIN PLAIN XOAUTH XOAUTH2"
DEBUG SMTP: Found extension "AUTH=LOGIN", arg ""
DEBUG SMTP: Found extension "MAILCOMPRESS", arg ""
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: protocolConnect login, host=smtp.qq.com, user=[e-mail], password=<non-null>
DEBUG SMTP: Attempt to authenticate using mechanisms: LOGIN PLAIN DIGEST-MD5 NTLM XOAUTH2 
DEBUG SMTP: Using mechanism LOGIN
DEBUG SMTP: AUTH LOGIN command trace suppressed
DEBUG SMTP: AUTH LOGIN succeeded
DEBUG SMTP: use8bit false

properties文件内容

```java
spring.mail.default-encoding=UTF-8
spring.mail.properties.mail.smtp.socketFactory.class=javax.net.ssl.SSLSocketFactory
#debug，输出邮件发送的过程
spring.mail.properties.mail.debug=true

相关代码

StringBuilder formatMessage = new StringBuilder();
    formatMessage.append("用户编号："+msg.getFromId()+"\n");
    formatMessage.append("用户昵称："+msg.getFromName()+"\n");
    formatMessage.append("反馈内容："+msg.getContent());
    System.out.println(">>>>>>>>>>>>>>"+formatMessage+"<<<<<<<<<<<<<<<<<<");

该怎么解决呢