这里ret 是-1 <img width="895" height="594" alt="Image" src="https://github.com/user-attachments/assets/4d04bf40-7da9-4545-be11-ef1cd3ea09ed" /> 这里的判断条件会导致返回0 <img width="902" height="1040" alt="Image" src="https://github.com/user-attachments/assets/292354c2-85a9-4543-b1f0-7c1e413012ea" /> 最终导致上层处理错误 <img width="1091" height="1316" alt="Image" src="https://github.com/user-attachments/assets/b8dbbc8d-c86f-4c66-a028-d8643b24eb8d" />