diff --git a/safety-cedu-service/pom.xml b/safety-cedu-service/pom.xml
index 00e5ad1a..38468576 100644
--- a/safety-cedu-service/pom.xml
+++ b/safety-cedu-service/pom.xml
@@ -36,6 +36,10 @@
             <groupId>io.swagger</groupId>
             <artifactId>swagger-annotations</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.jjb.saas</groupId>
+            <artifactId>jjb-saas-framework-job</artifactId>
+        </dependency>
 
         <!-- EasyExcel -->
         <dependency>
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/CourseManagementServiceImpl.java b/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/CourseManagementServiceImpl.java
index 7c9f2e9b..200a8d4e 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/CourseManagementServiceImpl.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/CourseManagementServiceImpl.java
@@ -62,7 +62,7 @@ public class CourseManagementServiceImpl extends ServiceImpl<CourseManagementMap
         IPage<CourseManagementVO> convert = page.convert(courseManagementConvertor::convertEToVo);
         Map<Long, Integer> collectMap = classCourseMapper.selectList(new LambdaQueryWrapper<ClassCourseDO>()
                         .in(ClassCourseDO::getCourseId, convert.getRecords().stream().map(CourseManagementVO::getId)))
-                .stream().collect(Collectors.toMap(ClassCourseDO::getCourseId, v -> 1));
+                .stream().map(ClassCourseDO::getCourseId).distinct().collect(Collectors.toMap(v -> v, v -> 1));
         convert.getRecords().forEach(vo -> {
             vo.setCourseRelCoursewareVOList(courseRelCoursewareConvertor.convertEListToVoList(
                     courseRelCoursewareMapper.selectList(new LambdaQueryWrapper<CourseRelCoursewareDO>()
@@ -81,11 +81,15 @@ public class CourseManagementServiceImpl extends ServiceImpl<CourseManagementMap
                 .eq(CourseManagementDO::getDeleteEnum, DeleteEnum.FALSE.getCode())
                 .one();
         CourseManagementVO courseManagementVO = courseManagementConvertor.convertEToVo(entity);
+        Map<Long, Integer> collectMap = classCourseMapper.selectList(new LambdaQueryWrapper<ClassCourseDO>()
+                        .eq(ClassCourseDO::getCourseId, courseManagementVO.getId()))
+                .stream().map(ClassCourseDO::getCourseId).distinct().collect(Collectors.toMap(v -> v, v -> 1));
         courseManagementVO.setCourseRelCoursewareVOList(courseRelCoursewareConvertor.convertEListToVoList(
                 courseRelCoursewareMapper.selectList(new LambdaQueryWrapper<CourseRelCoursewareDO>()
                         .eq(CourseRelCoursewareDO::getCourseId, courseManagementVO.getId())
                         .orderByAsc(CourseRelCoursewareDO::getSort))
         ));
+        courseManagementVO.setUsed(Math.toIntExact(collectMap.getOrDefault(Long.valueOf(courseManagementVO.getId()), 0)));
         return courseManagementVO;
     }
 
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/service/support/job/ClassManagementStateJob.java b/safety-cedu-service/src/main/java/org/qinan/cedu/service/support/job/ClassManagementStateJob.java
new file mode 100644
index 00000000..968735ab
--- /dev/null
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/service/support/job/ClassManagementStateJob.java
@@ -0,0 +1,79 @@
+package org.qinan.cedu.service.support.job;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
+import com.jjb.saas.framework.job.Job;
+import com.jjb.saas.framework.job.annotation.JobRegister;
+import com.xxl.job.core.biz.model.ReturnT;
+import com.xxl.job.core.context.XxlJobHelper;
+import com.xxl.job.core.handler.annotation.XxlJob;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.qinan.cedu.enums.ClassStatusEnum;
+import org.qinan.cedu.enums.DeleteEnum;
+import org.qinan.cedu.mapper.ClassManagementMapper;
+import org.qinan.cedu.model.entity.ClassManagementDO;
+import org.springframework.stereotype.Component;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * 过程控制签字完成，超过3天未归档
+ *
+ * @author ltq
+ * @since 2026/08/13
+ */
+@Component
+@Slf4j
+@RequiredArgsConstructor
+public class ClassManagementStateJob implements Job {
+
+    private final ClassManagementMapper classManagementMapper;
+
+    /**
+     * 班级管理状态检查
+     */
+    @Override
+    @XxlJob("classManagementStateTask")
+    @JobRegister(cron = "0 7 0 * * ?",
+            jobDesc = "班级管理状态检查",
+            author = "ltq",
+            triggerStatus = 1)
+    public ReturnT<String> execute(String param) {
+        param = XxlJobHelper.getJobParam();
+        log.info("班级管理状态检查开始, param: {}", param);
+        List<ClassManagementDO> classManagementDOS = classManagementMapper.selectList(new LambdaQueryWrapper<ClassManagementDO>()
+                .ne(ClassManagementDO::getStatus, 1));
+        LocalDate now = LocalDate.now();
+        for (ClassManagementDO classManagementDO : classManagementDOS) {
+            log.info("班级管理状态检查 {}", classManagementDO.getClassName());
+            LocalDate start = classManagementDO.getStartDate().toLocalDate();
+            LocalDate end = classManagementDO.getDelayTime().toLocalDate();
+            if (Objects.isNull(end)) {
+                end = classManagementDO.getEndDate().toLocalDate();
+            }
+            ClassStatusEnum pendingStart;
+            if (now.isBefore(start)) {
+                pendingStart = ClassStatusEnum.PENDING_START;
+            } else if (now.isAfter(start) && now.isBefore(end)) {
+                pendingStart = ClassStatusEnum.IN_PROGRESS;
+            } else if (now.isAfter(end)) {
+                pendingStart = ClassStatusEnum.FINISHED;
+            } else {
+                pendingStart = ClassStatusEnum.NOT_APPLIED;
+            }
+            log.info("班级管理状态检查结束 {}, 状态: {}", classManagementDO.getClassName(), pendingStart.getDesc());
+            classManagementMapper.update(new LambdaUpdateWrapper<ClassManagementDO>()
+                    .set(ClassManagementDO::getStatus, pendingStart.getCode())
+                    .set(ClassManagementDO::getUpdateTime, LocalDateTime.now())
+                    .eq(ClassManagementDO::getId, classManagementDO.getId())
+                    .eq(ClassManagementDO::getDeleteEnum, DeleteEnum.FALSE.getCode()));
+
+        }
+        log.info("班级管理状态检查完成");
+        return ReturnT.SUCCESS;
+    }
+}