fix: 健康管理，自测问题修复。

ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/DateUtils.java

@@ -233,12 +233,17 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
         // 方法三：使用Calendar类计算年龄差距
         int ageInYears = currentDate.get(Calendar.YEAR) - birthdayDate.get(Calendar.YEAR);
 
+        int ageInMonths = currentDate.get(Calendar.MONTH) - birthdayDate.get(Calendar.MONTH);
+
         if (birthdayDate.get(Calendar.MONTH) > currentDate.get(Calendar.MONTH) ||
                 (birthdayDate.get(Calendar.MONTH) == currentDate.get(Calendar.MONTH)
                         && birthdayDate.get(Calendar.DATE) > currentDate.get(Calendar.DATE))) {
             ageInYears--;
         }
-       return  ageInYears + "周岁";
+        if(ageInMonths<0){
+            ageInMonths+=12;
+        }
+       return  ageInYears + "周岁"+ageInMonths+"月";
     }