如果所示，邮件打开是空的，没有内容 <img width="1990" height="555" alt="Image" src="https://github.com/user-attachments/assets/1ee91b38-b84a-4e34-ba0f-8dd589217ae9" /> <img width="925" height="504" alt="Image" src="https://github.com/user-attachments/assets/3243b115-c5cc-4343-8e26-13b41206a477" /> <img width="1079" height="709" alt="Image" src="https://github.com/user-attachments/assets/f4cf0b13-8ac6-47a7-9405-85378183921a" />
如果所示，邮件打开是空的，没有内容