From 97c05c36c98dd134e981ec67ba915c663ecc14e6 Mon Sep 17 00:00:00 2001
From: wuchunlei <mailcauchy@gmail.com>
Date: Fri, 11 Jul 2025 13:26:08 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B0=8F=E7=8F=AD=E4=BF=A1=E6=81=AF=E5=B1=95?=
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---
 .../modules/common/service/impl/ClassEntityServiceImpl.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 79e432af..d421d1ed 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
@@ -644,7 +644,7 @@ public class ClassEntityServiceImpl extends ServiceImpl<ClassEntityDao, ClassEnt
         result.put("examStartTime","");
         result.put("examEndTime","");
         result.put("examEndDays","");
-        if (classModel.getIsExam()==1){
+        if (classModel.getIsExam()==1&&classEntity.getStartTime()!=null){
             Date examStartTime = DateUtils.addDateDays(classEntity.getStartTime(),classModel.getDays());
             result.put("examStartTime",DateUtils.stringToDate(DateUtils.format(examStartTime),"yyyy-MM-dd"));
             Date examEndTime = DateUtils.addDateDays(classEntity.getStartTime(),classModel.getDays()-1+classModel.getExamDays());