解决出院天数排序问题

src/main/resources/mapper/MedCheckInfoMapper.xml

@@ -239,7 +239,7 @@
         mhp.age,
         mbi.beh_dept_name behDeptName,
         mbi.leave_hospital_date leaveHospitalDate,
-        mhp.behospital_day_num behospitalDayNum,
+        mhp.behospital_day_num+0 behospitalDayNum,
         mbi.doctor_name doctorName,
         mqi.score_res scoreRes,
         mqi.`level`,