将 5 个 Mapper 接口 @Select 注解内的 MySQL 特有语法替换为达梦兼容写法: - LIMIT 1 → FETCH FIRST 1 ROWS ONLY(UserDataRecordBmiMapper × 2、 UserDataRecordBWHMapper、UserDataRecordBloodAboMapper、 UserDataRecordBloodPressureMapper) - NOW() → SYSDATE(HealthHolidayMapper) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>