diff --git a/src/main/java/com/peanut/modules/common/service/impl/ClassEntityServiceImpl.java b/src/main/java/com/peanut/modules/common/service/impl/ClassEntityServiceImpl.java
index 966ef94a..79e432af 100644
--- a/src/main/java/com/peanut/modules/common/service/impl/ClassEntityServiceImpl.java
+++ b/src/main/java/com/peanut/modules/common/service/impl/ClassEntityServiceImpl.java
@@ -634,9 +634,12 @@ public class ClassEntityServiceImpl extends ServiceImpl<ClassEntityDao, ClassEnt
         Map<String,Object> result = new HashMap<>();
         result.put("class",classEntity);
         result.put("classModel",classModel);
+        result.put("studyEndDays","");
         if (classEntity.getStartTime()!=null){
             Date studyEndTime = DateUtils.addDateDays(classEntity.getStartTime(),classModel.getDays()-1);
             classEntity.setStudyEndTime(DateUtils.stringToDate(DateUtils.format(studyEndTime)+" 23:59:59","yyyy-MM-dd HH:mm:ss"));
+            double days = Math.ceil((studyEndTime.getTime()-new Date().getTime())/60/60/24/1000);
+            result.put("studyEndDays",days>=0?days:0);
         }
         result.put("examStartTime","");
         result.put("examEndTime","");