Mini program nickname image garbled

Cause: java.sql.SQLException: Incorrect string value: '\xF0\x9F\x87\xA8\xF0\x9F...' for column 'nickname' at row 1
; uncategorized SQLException for SQL []; SQL state [HY000]; error code [1366]; Incorrect string value: '\xF0\x9F\x87\xA8\xF0\x9F...' for column 'nickname' at row 1; nested exception is java.sql.SQLException: Incorrect string value: '\xF0\x9F\x87\xA8\xF0\x9F...' for column 'nickname' at row 1] with root cause


if(nickname!=null && !"".equals(nickname)){ 

nickname=nickname.replaceAll("[\\ud800\\udc00-\\udbff\\udfff\\ud800-\\udfff]", "*");
        }