diff --git a/src/main/java/club/joylink/rtss/services/ExamService.java b/src/main/java/club/joylink/rtss/services/ExamService.java
index 6d056782c..4ad37c1b5 100644
--- a/src/main/java/club/joylink/rtss/services/ExamService.java
+++ b/src/main/java/club/joylink/rtss/services/ExamService.java
@@ -536,6 +536,13 @@ public class ExamService implements IExamService{
 //        }
     }
 
+    @Override
+    public List<ExamDefinition> findEntities(Long lessonId) {
+        ExamDefinitionExample example = new ExamDefinitionExample();
+        example.createCriteria().andLessonIdEqualTo(lessonId);
+        return examDefinitionDAO.selectByExample(example);
+    }
+
     private List<ExamDefinition> findEntityByLessonIdList(ArrayList<Long> lessonIdList) {
         ExamDefinitionExample example = new ExamDefinitionExample();
         example.createCriteria().andLessonIdIn(lessonIdList);
diff --git a/src/main/java/club/joylink/rtss/services/IExamService.java b/src/main/java/club/joylink/rtss/services/IExamService.java
index 4846c3ac4..6dbd24a9a 100644
--- a/src/main/java/club/joylink/rtss/services/IExamService.java
+++ b/src/main/java/club/joylink/rtss/services/IExamService.java
@@ -1,7 +1,11 @@
 package club.joylink.rtss.services;
 
+import club.joylink.rtss.entity.ExamDefinition;
 import club.joylink.rtss.vo.UserVO;
-import club.joylink.rtss.vo.client.*;
+import club.joylink.rtss.vo.client.ExamDefinitionQueryVO;
+import club.joylink.rtss.vo.client.ExamDefinitionVO;
+import club.joylink.rtss.vo.client.ExamsLessonVO;
+import club.joylink.rtss.vo.client.PageVO;
 
 import java.util.List;
 import java.util.Map;
@@ -26,14 +30,11 @@ public interface IExamService {
 
     /**
      * 查询课程所属产品下有实训的实训类型
-     * @param lessonId
-     * @return
      */
     List<String> queryTrainingTypes(Long lessonId);
 
     /**
      * 查询试题定义的详细信息
-     * @param examId
      */
     ExamDefinitionVO queryExamInfo(Long examId);
 
@@ -59,32 +60,28 @@ public interface IExamService {
 
     /**
      * 根据课程和实训类型查询实训数量
-     * @param lessonId
-     * @param trainingType
-     * @return
      */
     Long queryTrainingNum(Long lessonId, String trainingType, String operateType);
 
     /**
      * 试题上线
-     * @param id
-     * @param userVO
      */
     void onLine(Long id, UserVO userVO);
 
     /**
      * 试题下线
-     * @param id
-     * @param userVO
      */
     void offLine(Long id, UserVO userVO);
 
     /**
      * 更新试题
-     * @param id
-     * @param examDefinitionVO
      */
     void update(Long id, ExamDefinitionVO examDefinitionVO);
 
     void copy(Map<Long, Long> lessonRelationMap, UserVO user);
+
+    /**
+     * 根据课程id查询考试
+     */
+    List<ExamDefinition> findEntities(Long lessonId);
 }
diff --git a/src/main/java/club/joylink/rtss/services/LessonService.java b/src/main/java/club/joylink/rtss/services/LessonService.java
index e3d105e4d..e3a96e811 100644
--- a/src/main/java/club/joylink/rtss/services/LessonService.java
+++ b/src/main/java/club/joylink/rtss/services/LessonService.java
@@ -619,7 +619,7 @@ public class LessonService implements ILessonService {
         if (Objects.nonNull(existedDefaultLesson)) {
             lesson.setId(existedDefaultLesson.getId());
             lessonDAO.updateByPrimaryKey(lesson);
-            //存在默认课程删除旧版本、章节、考试及关联实训数据
+            //存在默认课程删除旧版本、章节、章节关联的实训
             LsLessonVersionExample versionExample = new LsLessonVersionExample();
             versionExample.createCriteria().andLessonIdEqualTo(existedDefaultLesson.getId());
             lessonVersionDAO.deleteByExample(versionExample);
@@ -632,21 +632,21 @@ public class LessonService implements ILessonService {
             chapterExample.createCriteria().andLessonIdEqualTo(existedDefaultLesson.getId());
             lessonChapterDAO.deleteByExample(chapterExample);
 
-            ExamDefinitionExample examDefinitionExample = new ExamDefinitionExample();
-            examDefinitionExample.createCriteria().andLessonIdEqualTo(existedDefaultLesson.getId());
-            List<ExamDefinition> examDefinitions = examDefinitionDAO.selectByExample(examDefinitionExample);
-            if (!CollectionUtils.isEmpty(examDefinitions)) {
-                List<Long> list = examDefinitions.stream().map(ExamDefinition::getId).collect(Collectors.toList());
-                ExamDefinitionRulesExample rulesExample = new ExamDefinitionRulesExample();
-                rulesExample.createCriteria().andExamIdIn(list);
-                definitionRulesDAO.deleteByExample(rulesExample);
-                examDefinitionDAO.deleteByExample(examDefinitionExample);
-            }
+//            ExamDefinitionExample examDefinitionExample = new ExamDefinitionExample();
+//            examDefinitionExample.createCriteria().andLessonIdEqualTo(existedDefaultLesson.getId());
+//            List<ExamDefinition> examDefinitions = examDefinitionDAO.selectByExample(examDefinitionExample);
+//            if (!CollectionUtils.isEmpty(examDefinitions)) {
+//                List<Long> list = examDefinitions.stream().map(ExamDefinition::getId).collect(Collectors.toList());
+//                ExamDefinitionRulesExample rulesExample = new ExamDefinitionRulesExample();
+//                rulesExample.createCriteria().andExamIdIn(list);
+//                definitionRulesDAO.deleteByExample(rulesExample);
+//                examDefinitionDAO.deleteByExample(examDefinitionExample);
+//            }
 
         } else {
             lessonDAO.insert(lesson);
         }
-        //版本0.0
+        //课程版本0.0
         LsLessonVersion lessonVersion = new LsLessonVersion();
         lessonVersion.setLessonId(lesson.getId());
         lessonVersion.setCreatorId(lesson.getCreatorId());
@@ -654,6 +654,7 @@ public class LessonService implements ILessonService {
         lessonVersion.setVersion(BusinessConsts.Lesson.Version.originalVersion);
         lessonVersionDAO.insert(lessonVersion);
 
+        //生成课程的章节
         List<Training> examTrainings = new ArrayList<>(20);
         int orderNum = 1;
         Random random = new Random();
@@ -687,49 +688,51 @@ public class LessonService implements ILessonService {
                 }
             });
         }
-        //试卷定义
-        if (CollectionUtils.isEmpty(examTrainings)) {
-            return;
-        }
-        ExamDefinition examDefinition = new ExamDefinition();
-        examDefinition.setLessonId(lesson.getId());
-        examDefinition.setName(lesson.getName() + "试卷");
-        examDefinition.setDuration(1800);
-        examDefinition.setCreatorId(userVO.getId());
-        examDefinition.setCreateTime(LocalDateTime.now());
-        examDefinition.setRemarks(examDefinition.getName() + "-默认试卷");
-        examDefinition.setStatus("1");
-        examDefinition.setTrial(true);
-        //试卷规则 取20道题，每中实训类型取一道
-        if (examTrainings.size() < 20) {
-            examDefinition.setFullPoint(examTrainings.size() * 5);
-            examDefinition.setPassingPoint(Double.valueOf(examDefinition.getFullPoint() * 0.6).intValue());
-            examDefinitionDAO.insert(examDefinition);
-            examTrainings.forEach(training -> {
-                ExamDefinitionRules examRules = new ExamDefinitionRules();
-                examRules.setExamId(examDefinition.getId());
-                examRules.setNum(1);
-                examRules.setPoint(5);
-                examRules.setTrainingType(training.getType());
-                examRules.setOperateType(training.getOperateType());
-                definitionRulesDAO.insert(examRules);
-            });
-
-        } else {
-            examDefinition.setFullPoint(100);
-            examDefinition.setPassingPoint(60);
-            examDefinitionDAO.insert(examDefinition);
-            int i = 1;
-            do {
-                ExamDefinitionRules examRules = new ExamDefinitionRules();
-                examRules.setExamId(examDefinition.getId());
-                examRules.setNum(1);
-                examRules.setPoint(5);
-                Training training = examTrainings.remove(random.nextInt(examTrainings.size()));
-                examRules.setTrainingType(training.getType());
-                examRules.setOperateType(training.getOperateType());
-                definitionRulesDAO.insert(examRules);
-            } while (i++ < 20);
+        List<ExamDefinition> exams = iExamService.findEntities(lesson.getId());
+        if (CollectionUtils.isEmpty(exams)) {
+            //试卷定义
+            if (CollectionUtils.isEmpty(examTrainings)) {
+                return;
+            }
+            ExamDefinition examDefinition = new ExamDefinition();
+            examDefinition.setLessonId(lesson.getId());
+            examDefinition.setName(lesson.getName() + "试卷");
+            examDefinition.setDuration(1800);
+            examDefinition.setCreatorId(userVO.getId());
+            examDefinition.setCreateTime(LocalDateTime.now());
+            examDefinition.setRemarks(examDefinition.getName() + "-默认试卷");
+            examDefinition.setStatus("1");
+            examDefinition.setTrial(true);
+            //试卷规则 取20道题，每中实训类型取一道
+            if (examTrainings.size() < 20) {
+                examDefinition.setFullPoint(examTrainings.size() * 5);
+                examDefinition.setPassingPoint(Double.valueOf(examDefinition.getFullPoint() * 0.6).intValue());
+                examDefinitionDAO.insert(examDefinition);
+                examTrainings.forEach(training -> {
+                    ExamDefinitionRules examRules = new ExamDefinitionRules();
+                    examRules.setExamId(examDefinition.getId());
+                    examRules.setNum(1);
+                    examRules.setPoint(5);
+                    examRules.setTrainingType(training.getType());
+                    examRules.setOperateType(training.getOperateType());
+                    definitionRulesDAO.insert(examRules);
+                });
+            } else {
+                examDefinition.setFullPoint(100);
+                examDefinition.setPassingPoint(60);
+                examDefinitionDAO.insert(examDefinition);
+                int i = 1;
+                do {
+                    ExamDefinitionRules examRules = new ExamDefinitionRules();
+                    examRules.setExamId(examDefinition.getId());
+                    examRules.setNum(1);
+                    examRules.setPoint(5);
+                    Training training = examTrainings.remove(random.nextInt(examTrainings.size()));
+                    examRules.setTrainingType(training.getType());
+                    examRules.setOperateType(training.getOperateType());
+                    definitionRulesDAO.insert(examRules);
+                } while (i++ < 20);
+            }
         }
     }
 }