Vue version

3.2.26

Link to minimal reproduction

https://sfc.vuejs.org/#eNp9UMtOg0AU/ZXrbGiTMhNr4qLSBnf6BW5mg3ApWOaReWAM4d+90GqwJl2ex5xz7gzs2VreR2Q7lvnStTaAxxDtQepWWeMCDOCwhhFqZxQkZE2klro02gdQ/gj7SV8lL9h1Bt6M66q7ZP3042gKXXX4qm0M5FzhGvYHGKQGmB7zvugikoD8hF9Sj/QuE+cdtIBAQGW7IiAhgKy5PwzD3DqOmSA0s+2cnlNCtNw3bR32ki2KJSNfJn6j2Iadb0tVYfmHN5qunzfJi+Al211WEkc3T5gyQ7B+J0TU9nTkpVEiJ024qEOrMK2Myh/4lm8fRdX6sOQ5epW+O/Pp0VGjZJtFuCCyR5c61BU6dDfLrrx/Cq+0f6VT50i/zMZvNdGtfg==

Steps to reproduce

输入框中输入shift+¥

What is expected?

能够区分¥和$

What is actually happening?

无法区分¥和$

System Info

No response

Any additional comments?

No response

This isn't really a problem of Vue. In your case ￥ is produced by the input method. The keyup event shows you which key is pressed, not which character you end up inputing.