建议下拉多选框能够支持自定义选项输入 <img width="313" height="220" alt="Image" src="https://github.com/user-attachments/assets/f1199af9-ec55-4b83-a54a-4e17cd4a6016" /> <img width="330" height="156" alt="Image" src="https://github.com/user-attachments/assets/81d2ea00-dde7-447d-8c57-bcd23f0d94aa" /> <img width="308" height="80" alt="Image" src="https://github.com/user-attachments/assets/664d62e6-0f38-4237-b44c-6cf10979c83f" /> <img width="328" height="215" alt="Image" src="https://github.com/user-attachments/assets/05c9556e-32de-42c6-8eaa-a7410c2fdb50" />
