diff --git a/src/main/java/com/sztzjy/resource_center/controller/CaseController.java b/src/main/java/com/sztzjy/resource_center/controller/CaseController.java
index 999b34a..e9f90d2 100644
--- a/src/main/java/com/sztzjy/resource_center/controller/CaseController.java
+++ b/src/main/java/com/sztzjy/resource_center/controller/CaseController.java
@@ -207,7 +207,9 @@ public class CaseController {
         } else {
             if ("管理员".equals(source) || source.equals(sysCaseQuestion.getSource())) {
                 topicAndCourseMapper.deleteByPrimaryKey(sysTopicAndCourses.get(0).getId());
-                caseQuestionMapper.deleteByPrimaryKey(sysCaseQuestion.getCaseId());
+
+                sysCaseQuestion.setUnmountStatus(true);
+                caseQuestionMapper.updateByPrimaryKeySelective(sysCaseQuestion);
                 return new ResultEntity<>(HttpStatus.OK, "删除成功!");
             } else {
                 return new ResultEntity<>(HttpStatus.BAD_REQUEST, "权限不足!");