diff --git a/src/main/resources/mapper/master/UserCourseBuyDao.xml b/src/main/resources/mapper/master/UserCourseBuyDao.xml
index 44691d47..f58a02cd 100644
--- a/src/main/resources/mapper/master/UserCourseBuyDao.xml
+++ b/src/main/resources/mapper/master/UserCourseBuyDao.xml
@@ -6,12 +6,12 @@
     <select id="getUserCourseBuyInfo" resultType="map">
         select w.name,w.tel,w.ctitle,w.cctitle,if(w.startTime is null,'',w.startTime) startTime,if(w.endTime is null,'',w.endTime) endTime,w.totalDays
              ,w.type,w.payType,w.payTime,w.orderSn,w.zfbOrder,w.days,w.fee,w.remark,w.dayAmount,w.alreadyDay,w.currentDay
-             ,ROUND(alreadyDay*dayAmount,2) alreadyTanxiao
-             ,ROUND(if(alreadyDay+currentDay=totalDays,fee-ROUND(alreadyDay*dayAmount,2),currentDay*dayAmount),2) currentTanxiao
-             ,ROUND(fee-(alreadyDay*dayAmount)-ROUND(if(alreadyDay+currentDay=totalDays,fee-ROUND(alreadyDay*dayAmount,2),currentDay*dayAmount),2),2) surplusTanxiao
+             ,ROUND(if(alreadyDay=days,fee,alreadyDay*dayAmount),2) alreadyTanxiao
+             ,ROUND(if(alreadyDay+currentDay>=totalDays,fee-ROUND(if(alreadyDay=days,fee,alreadyDay*dayAmount),2),currentDay*dayAmount),2) currentTanxiao
+             ,ROUND(fee-(if(alreadyDay=days,fee,alreadyDay*dayAmount))-ROUND(if(alreadyDay+currentDay>=totalDays,fee-ROUND(if(alreadyDay=days,fee,alreadyDay*dayAmount),2),currentDay*dayAmount),2),2) surplusTanxiao
         from (
                  select q.*
-                      ,IF(days-alreadyDay=0,0,IF(beginDay=0,IF(startTime is NULL,0,IF(days-alreadyDay>=monthDays,if(DATE_FORMAT(startTime,'%Y-%m')=SUBSTR(#{date},1,7),DATEDIFF(#{date},startTime)+1,monthDays),if(DATE_FORMAT(startTime, '%Y-%m')=SUBSTR(#{date},1,7),DATEDIFF(#{date},startTime)+1,days-alreadyDay))),IF(beginDay-alreadyTotalDay>monthDays,0,monthDays-(beginDay-alreadyTotalDay-1)))) currentDay
+                      ,IF(days-alreadyDay=0,0,IF(beginDay=0,IF(startTime is NULL,0,IF(days-alreadyDay>=monthDays,if(DATE_FORMAT(startTime,'%Y-%m')=SUBSTR(#{date},1,7),DATEDIFF(#{date},startTime)+1,if(DATE_FORMAT(startTime,'%Y-%m')>SUBSTR(#{date},1,7),0,monthDays)),if(DATE_FORMAT(startTime, '%Y-%m')=SUBSTR(#{date},1,7),if(DATEDIFF(#{date},startTime)+1>days,days,DATEDIFF(#{date},startTime)+1),if(DATE_FORMAT(startTime, '%Y-%m') &lt; SUBSTR(#{date},1,7),days-alreadyDay,0)))),IF(beginDay-alreadyTotalDay>monthDays,0,monthDays-(beginDay-alreadyTotalDay-1)))) currentDay
                  from (
                           select s.*
                                ,IF(alreadyTotalDay>beginDay,IF(beginDay=0,IF(alreadyTotalDay &lt; days,alreadyTotalDay,days),alreadyTotalDay-beginDay+1),0) alreadyDay
@@ -40,13 +40,13 @@
         select ROUND(SUM(fee),2) fee,ROUND(SUM(alreadyTanxiao),2) alreadyTanxiao,ROUND(SUM(currentTanxiao),2) currentTanxiao,ROUND(SUM(surplusTanxiao),2) surplusTanxiao
         from (
                  select w.name,w.tel,w.ctitle,w.cctitle,if(w.startTime is null,'',w.startTime) startTime,if(w.endTime is null,'',w.endTime) endTime,w.totalDays
-                      ,w.type,w.payType,w.payTime,w.orderSn,w.zfbOrder,w.days,w.fee,w.remark,w.dayAmount,w.alreadyDay,w.currentDay
-                      ,ROUND(alreadyDay*dayAmount,2) alreadyTanxiao
-                      ,ROUND(if(alreadyDay+currentDay=totalDays,fee-ROUND(alreadyDay*dayAmount,2),currentDay*dayAmount),2) currentTanxiao
-                      ,ROUND(fee-(alreadyDay*dayAmount)-ROUND(if(alreadyDay+currentDay=totalDays,fee-ROUND(alreadyDay*dayAmount,2),currentDay*dayAmount),2),2) surplusTanxiao
+                              ,w.type,w.payType,w.payTime,w.orderSn,w.zfbOrder,w.days,w.fee,w.remark,w.dayAmount,w.alreadyDay,w.currentDay
+                              ,ROUND(if(alreadyDay=days,fee,alreadyDay*dayAmount),2) alreadyTanxiao
+                              ,ROUND(if(alreadyDay+currentDay>=totalDays,fee-ROUND(if(alreadyDay=days,fee,alreadyDay*dayAmount),2),currentDay*dayAmount),2) currentTanxiao
+                              ,ROUND(fee-(if(alreadyDay=days,fee,alreadyDay*dayAmount))-ROUND(if(alreadyDay+currentDay>=totalDays,fee-ROUND(if(alreadyDay=days,fee,alreadyDay*dayAmount),2),currentDay*dayAmount),2),2) surplusTanxiao
                  from (
                           select q.*
-                               ,IF(days-alreadyDay=0,0,IF(beginDay=0,IF(startTime is NULL,0,IF(days-alreadyDay>=monthDays,if(DATE_FORMAT(startTime,'%Y-%m')=SUBSTR(#{date},1,7),DATEDIFF(#{date},startTime)+1,monthDays),if(DATE_FORMAT(startTime, '%Y-%m')=SUBSTR(#{date},1,7),DATEDIFF(#{date},startTime)+1,days-alreadyDay))),IF(beginDay-alreadyTotalDay>monthDays,0,monthDays-(beginDay-alreadyTotalDay-1)))) currentDay
+                               ,IF(days-alreadyDay=0,0,IF(beginDay=0,IF(startTime is NULL,0,IF(days-alreadyDay>=monthDays,if(DATE_FORMAT(startTime,'%Y-%m')=SUBSTR(#{date},1,7),DATEDIFF(#{date},startTime)+1,monthDays),if(DATE_FORMAT(startTime, '%Y-%m')=SUBSTR(#{date},1,7),DATEDIFF(#{date},startTime)+1,if(DATE_FORMAT(startTime, '%Y-%m') &lt; SUBSTR(#{date},1,7),days-alreadyDay,0)))),IF(beginDay-alreadyTotalDay>monthDays,0,monthDays-(beginDay-alreadyTotalDay-1)))) currentDay
                           from (
                                    select s.*
                                         ,IF(alreadyTotalDay>beginDay,IF(beginDay=0,IF(alreadyTotalDay &lt; days,alreadyTotalDay,days),alreadyTotalDay-beginDay+1),0) alreadyDay