diff --git a/src/main/java/com/sztzjy/financial_bigdata/controller/stu/ExerciseExperimentalTraining.java b/src/main/java/com/sztzjy/financial_bigdata/controller/stu/ExerciseExperimentalTraining.java
index fc4629a..744ba92 100644
--- a/src/main/java/com/sztzjy/financial_bigdata/controller/stu/ExerciseExperimentalTraining.java
+++ b/src/main/java/com/sztzjy/financial_bigdata/controller/stu/ExerciseExperimentalTraining.java
@@ -44,7 +44,7 @@ public class ExerciseExperimentalTraining {
     @ApiOperation("**获取案例题基础信息")
     @AnonymousAccess
     public ResultEntity<TestSysCaseQuestion> getCaseInfo(@RequestParam String chapterId) {
-        List<TestSysCaseQuestion> sysCaseQuestions= null;
+        List<TestSysCaseQuestion> sysCaseQuestions = null;
         try {
             sysCaseQuestions = CaseApi.selectCaseByChapterId(chapterId);
         } catch (IOException e) {
@@ -108,7 +108,7 @@ public class ExerciseExperimentalTraining {
     @AnonymousAccess
     @ApiOperation("实训演练页面查询")
     @PostMapping("getCourseChapter")
-    public ResultEntity<List<SysCourseDto>> getIndexTheoryTest(@RequestParam String userId,@RequestParam String systemOwner) {
+    public ResultEntity<List<SysCourseDto>> getIndexTheoryTest(@RequestParam String userId, @RequestParam String systemOwner) {
 //        List<SysCourse> sysCourseList = sysCourseMapper.getBySchoolId();
         List<SysTwoCatalog> sysCourseList = null;
         try {
@@ -116,12 +116,11 @@ public class ExerciseExperimentalTraining {
         } catch (IOException e) {
             return new ResultEntity<>(HttpStatus.BAD_REQUEST, "资源中心获取内置二级目录失败");
         }
-        if(sysCourseList.isEmpty()){
+        if (sysCourseList.isEmpty()) {
             return null;
         }
 
         List<SysCourseDto> dtoList = new ArrayList<>();
-
         // 批量查询所有章节
         List<String> courseIds = sysCourseList.stream()
                 .map(SysTwoCatalog::getTwoId)
@@ -132,14 +131,23 @@ public class ExerciseExperimentalTraining {
         } catch (IOException e) {
             return new ResultEntity<>(HttpStatus.BAD_REQUEST, "资源中心根据课程IDList查询章节集合失败");
         }
-        if(sysCourseChapters.isEmpty()){
-            return null;
+        if (sysCourseChapters.isEmpty()) {
+            //三级为空返回二级的信息
+            for (SysTwoCatalog sysTwoCatalog : sysCourseList) {
+                SysCourseDto newDto = new SysCourseDto();
+                newDto.setCourseId(sysTwoCatalog.getTwoId());
+                newDto.setSequence(sysTwoCatalog.getSort());
+                newDto.setCourseName(sysTwoCatalog.getTwoName());
+                newDto.setSchoolId(sysTwoCatalog.getCreator());
+                dtoList.add(newDto);
+                return new ResultEntity<List<SysCourseDto>>(dtoList);
+            }
         }
 
         // 批量查询所有案例题步骤
         SysCaseQuestionStepExample stepExample = new SysCaseQuestionStepExample();
         stepExample.setOrderByClause("sort");
-        List<TestTestSysCaseQuestionStepWithBLOBs> sysCaseQuestionSteps= null;
+        List<TestTestSysCaseQuestionStepWithBLOBs> sysCaseQuestionSteps = null;
         try {
             sysCaseQuestionSteps = CaseApi.selectAllStepBySystemOwner(systemOwner);
         } catch (IOException e) {
@@ -152,7 +160,7 @@ public class ExerciseExperimentalTraining {
         // 批量查询案例题ID
         Map<String, List<String>> caseIdMap = null;
         try {
-            caseIdMap = CaseApi.getMapChapterIdAndCaseIdsByCourseIdAndChapterId(sysCourseChapters,systemOwner);
+            caseIdMap = CaseApi.getMapChapterIdAndCaseIdsByCourseIdAndChapterId(sysCourseChapters, systemOwner);
         } catch (IOException e) {
             return new ResultEntity<>(HttpStatus.BAD_REQUEST, "资源中心查询失败");
         }
@@ -161,7 +169,7 @@ public class ExerciseExperimentalTraining {
         List<StuTraining> progressByChapterIds = stuTrainingMapper.getByUserIdAndChapterIds(userId,
                 sysCourseChapters.stream().map(SysThreeCatalog::getThreeId).collect(Collectors.toList()));
         Map<String, BigDecimal> progressMap = progressByChapterIds.stream()
-                .collect(Collectors.toMap(StuTraining::getChapterId,stuTraining -> Optional.ofNullable(stuTraining.getProgress()).orElse(BigDecimal.ZERO), (p1, p2) -> p1));
+                .collect(Collectors.toMap(StuTraining::getChapterId, stuTraining -> Optional.ofNullable(stuTraining.getProgress()).orElse(BigDecimal.ZERO), (p1, p2) -> p1));
 
         // 构建结果列表
         for (SysTwoCatalog sysCourse : sysCourseList) {
@@ -187,12 +195,12 @@ public class ExerciseExperimentalTraining {
                 // 获取案例题步骤信息
                 List<String> caseIds = caseIdMap.get(chapter.getThreeId());
                 if (caseIds != null && !caseIds.isEmpty()) {
-                    List<AAA>list =new ArrayList<>();
+                    List<AAA> list = new ArrayList<>();
                     for (String caseId : caseIds) {
                         List<TestTestSysCaseQuestionStepWithBLOBs> steps = caseStepsMap.get(caseId);
                         if (steps != null && !steps.isEmpty()) {
                             for (TestTestSysCaseQuestionStepWithBLOBs step : steps) {
-                                AAA aaa =new AAA();
+                                AAA aaa = new AAA();
                                 aaa.setStepID(step.getCaseStepId());
                                 aaa.setTitle(step.getTitle());
                                 aaa.setSort(step.getSort());
@@ -245,9 +253,9 @@ public class ExerciseExperimentalTraining {
         } catch (IOException e) {
             return false;
         }
-        if(resourceDataList.size()>0){
+        if (resourceDataList.size() > 0) {
             return true;
-        }else {
+        } else {
             return false;
         }
     }