feat:云教练训练功能使用记录

mec-biz/src/main/java/com/ym/mec/biz/service/impl/SysMusicCompareRecordServiceImpl.java

@@ -19,6 +19,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
 
 import java.math.BigDecimal;
+import java.time.DayOfWeek;
 import java.time.LocalDate;
 import java.util.*;
 import java.util.stream.Collectors;