【问题描述】 emoji 字数统计不准确 <img width="732" height="373" alt="Image" src="https://github.com/user-attachments/assets/ddb77bdd-82bb-4b0e-b4af-0445b4823c32" /> <img width="718" height="205" alt="Image" src="https://github.com/user-attachments/assets/902c4de5-2950-48dd-8279-4cbe9109db03" /> <img width="631" height="80" alt="Image" src="https://github.com/user-attachments/assets/bb133524-bec4-4a63-829d-413449e6ebbf" />
