diff --git a/RuoYi-Vue/ruoyi-admin/src/main/java/com/ruoyi/web/controller/train/TrainClassroomInfoController.java b/RuoYi-Vue/ruoyi-admin/src/main/java/com/ruoyi/web/controller/train/TrainClassroomInfoController.java
index 85593bb82..0f1a58e64 100644
--- a/RuoYi-Vue/ruoyi-admin/src/main/java/com/ruoyi/web/controller/train/TrainClassroomInfoController.java
+++ b/RuoYi-Vue/ruoyi-admin/src/main/java/com/ruoyi/web/controller/train/TrainClassroomInfoController.java
@@ -8,6 +8,7 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
@@ -79,4 +80,15 @@ public class TrainClassroomInfoController extends BaseController
         trainClassroomInfo.setUpdateBy(SecurityUtils.getUsername());
         return toAjax(trainClassroomInfoService.updateTrainClassroomInfo(trainClassroomInfo));
     }
+
+    /**
+     * 删除教室信息
+     */
+    @PreAuthorize("@ss.hasPermi('train:classroom:remove')")
+    @Log(title = "教室信息", businessType = BusinessType.DELETE)
+    @DeleteMapping("/{classRoomIds}")
+    public AjaxResult remove(@PathVariable String[] classRoomIds)
+    {
+        return toAjax(trainClassroomInfoService.deleteTrainClassroomInfoByClassRoomIds(classRoomIds));
+    }
 }
diff --git a/RuoYi-Vue/ruoyi-admin/src/main/java/com/ruoyi/web/controller/train/TrainCourseController.java b/RuoYi-Vue/ruoyi-admin/src/main/java/com/ruoyi/web/controller/train/TrainCourseController.java
index e27f40ccc..f606478e3 100644
--- a/RuoYi-Vue/ruoyi-admin/src/main/java/com/ruoyi/web/controller/train/TrainCourseController.java
+++ b/RuoYi-Vue/ruoyi-admin/src/main/java/com/ruoyi/web/controller/train/TrainCourseController.java
@@ -6,6 +6,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -103,4 +104,15 @@ public class TrainCourseController extends BaseController
         }
         return toAjax(trainCourseService.updateTrainCourse(trainCourse));
     }
+
+    /**
+     * 删除课程信息
+     */
+    @PreAuthorize("@ss.hasPermi('train:course:remove')")
+    @Log(title = "课程信息", businessType = BusinessType.DELETE)
+    @DeleteMapping("/{cIds}")
+    public AjaxResult remove(@PathVariable String[] cIds)
+    {
+        return toAjax(trainCourseService.deleteTrainCourseByCIds(cIds));
+    }
 }
diff --git a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/mapper/TrainLessonMapper.java b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/mapper/TrainLessonMapper.java
index a8aa40585..13686f494 100644
--- a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/mapper/TrainLessonMapper.java
+++ b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/mapper/TrainLessonMapper.java
@@ -142,4 +142,12 @@ public interface TrainLessonMapper
      */
     List<com.ruoyi.train.domain.TrainClassPlan> selectPlansByTeacherId(@Param("tId") String tId,
                                                                        @Param("planStatus") Integer planStatus);
+
+    /**
+     * 统计指定教室在排课课次中的引用数（train_lesson）。
+     *
+     * @param classRoomId 教室ID
+     * @return 课次引用数
+     */
+    int countLessonsByClassRoomId(@Param("classRoomId") String classRoomId);
 }
diff --git a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/mapper/TrainPlanCourseMapper.java b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/mapper/TrainPlanCourseMapper.java
index f2bc65b70..816a36f22 100644
--- a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/mapper/TrainPlanCourseMapper.java
+++ b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/mapper/TrainPlanCourseMapper.java
@@ -77,12 +77,17 @@ public interface TrainPlanCourseMapper
      * @return 引用成绩项目数
      */
     int countScoreItemsByPlanCourseId(@Param("planCourseId") Long planCourseId);
-
     /**
-     * 统计指定本期课程关联的外部学习记录数（train_study_duration 下游引用）。
-     *
      * @param planCourseId 本期课程ID
      * @return 引用学习记录数
      */
     int countStudyDurationsByPlanCourseId(@Param("planCourseId") Long planCourseId);
+
+    /**
+     * 统计指定公共课程在开班计划中的引用数（train_plan_course）。
+     *
+     * @param cId 公共课程ID
+     * @return 引用数
+     */
+    int countPlanCoursesByCId(@Param("cId") String cId);
 }
diff --git a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainClassroomInfoServiceImpl.java b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainClassroomInfoServiceImpl.java
index 988a49b2b..35220f9c3 100644
--- a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainClassroomInfoServiceImpl.java
+++ b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainClassroomInfoServiceImpl.java
@@ -14,6 +14,7 @@ import com.ruoyi.train.domain.vo.ClassroomBoardSummaryVO;
 import com.ruoyi.train.domain.vo.ClassroomDetailVO;
 import com.ruoyi.train.mapper.TrainClassroomInfoMapper;
 import com.ruoyi.train.mapper.TrainElectronicBoardMapper;
+import com.ruoyi.train.mapper.TrainLessonMapper;
 import com.ruoyi.train.service.ITrainClassroomInfoService;
 
 /**
@@ -31,6 +32,9 @@ public class TrainClassroomInfoServiceImpl implements ITrainClassroomInfoService
     @Autowired
     private TrainElectronicBoardMapper trainElectronicBoardMapper;
 
+    @Autowired
+    private TrainLessonMapper trainLessonMapper;
+
     /**
      * 查询教室详情（供API详情接口使用，聚合班牌轻量摘要列表，0..N语义）
      *
@@ -184,7 +188,15 @@ public class TrainClassroomInfoServiceImpl implements ITrainClassroomInfoService
     @Override
     public int deleteTrainClassroomInfoByClassRoomIds(String[] classRoomIds)
     {
-        return trainClassroomInfoMapper.deleteTrainClassroomInfoByClassRoomIds(classRoomIds);
+        if (classRoomIds == null || classRoomIds.length == 0)
+        {
+            return 0;
+        }
+        for (String id : classRoomIds)
+        {
+            deleteTrainClassroomInfoByClassRoomId(id);
+        }
+        return classRoomIds.length;
     }
 
     /**
@@ -196,6 +208,11 @@ public class TrainClassroomInfoServiceImpl implements ITrainClassroomInfoService
     @Override
     public int deleteTrainClassroomInfoByClassRoomId(String classRoomId)
     {
+        int lessonCount = trainLessonMapper.countLessonsByClassRoomId(classRoomId);
+        if (lessonCount > 0)
+        {
+            throw new ServiceException("该教室已在排课课次中使用，无法删除，可通过状态调整为维护中或停用。");
+        }
         return trainClassroomInfoMapper.deleteTrainClassroomInfoByClassRoomId(classRoomId);
     }
 }
diff --git a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainCourseServiceImpl.java b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainCourseServiceImpl.java
index dc4622212..b9a3c616a 100644
--- a/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainCourseServiceImpl.java
+++ b/RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainCourseServiceImpl.java
@@ -9,7 +9,10 @@ import com.ruoyi.common.utils.SecurityUtils;
 import com.ruoyi.common.utils.StringUtils;
 import com.ruoyi.common.utils.uuid.IdUtils;
 import com.ruoyi.train.mapper.TrainCourseMapper;
+import com.ruoyi.train.mapper.TrainPlanCourseMapper;
+import com.ruoyi.train.mapper.TrainScoreInfoMapper;
 import com.ruoyi.train.domain.TrainCourse;
+import com.ruoyi.train.domain.TrainScoreInfo;
 import com.ruoyi.train.domain.vo.CourseDetailVO;
 import com.ruoyi.train.service.ITrainCourseService;
 
@@ -25,6 +28,12 @@ public class TrainCourseServiceImpl implements ITrainCourseService
     @Autowired
     private TrainCourseMapper trainCourseMapper;
 
+    @Autowired
+    private TrainPlanCourseMapper trainPlanCourseMapper;
+
+    @Autowired
+    private TrainScoreInfoMapper trainScoreInfoMapper;
+
     /**
      * 查询课程详情视图 (CourseDetailVO)
      *
@@ -214,11 +223,19 @@ public class TrainCourseServiceImpl implements ITrainCourseService
     @Override
     public int deleteTrainCourseByCIds(String[] cIds)
     {
-        return trainCourseMapper.deleteTrainCourseByCIds(cIds);
+        if (cIds == null || cIds.length == 0)
+        {
+            return 0;
+        }
+        for (String cId : cIds)
+        {
+            deleteTrainCourseByCId(cId);
+        }
+        return cIds.length;
     }
 
     /**
-     * 删除课程信息信息
+     * 删除课程信息
      *
      * @param cId 课程信息主键
      * @return 结果
@@ -226,6 +243,20 @@ public class TrainCourseServiceImpl implements ITrainCourseService
     @Override
     public int deleteTrainCourseByCId(String cId)
     {
+        // 1. 检查是否已被开班计划引用
+        int planRef = trainPlanCourseMapper.countPlanCoursesByCId(cId);
+        if (planRef > 0)
+        {
+            throw new ServiceException("该课程已被培训计划引用，无法删除，可将其停用。");
+        }
+        // 2. 检查是否已产生学员成绩记录
+        TrainScoreInfo scoreQuery = new TrainScoreInfo();
+        scoreQuery.setcId(cId);
+        List<TrainScoreInfo> scoreList = trainScoreInfoMapper.selectTrainScoreInfoList(scoreQuery);
+        if (scoreList != null && !scoreList.isEmpty())
+        {
+            throw new ServiceException("该课程已产生学员成绩记录，无法删除，可将其停用。");
+        }
         return trainCourseMapper.deleteTrainCourseByCId(cId);
     }
 }
diff --git a/RuoYi-Vue/ruoyi-train/src/main/resources/mapper/train/TrainLessonMapper.xml b/RuoYi-Vue/ruoyi-train/src/main/resources/mapper/train/TrainLessonMapper.xml
index 91fe8e4fb..526a2ad8a 100644
--- a/RuoYi-Vue/ruoyi-train/src/main/resources/mapper/train/TrainLessonMapper.xml
+++ b/RuoYi-Vue/ruoyi-train/src/main/resources/mapper/train/TrainLessonMapper.xml
@@ -386,4 +386,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         order by p.start_time desc
     </select>
 
+    <select id="countLessonsByClassRoomId" parameterType="String" resultType="int">
+        select count(1) from train_lesson where class_room_id = #{classRoomId}
+    </select>
+
 </mapper>
diff --git a/RuoYi-Vue/ruoyi-train/src/main/resources/mapper/train/TrainPlanCourseMapper.xml b/RuoYi-Vue/ruoyi-train/src/main/resources/mapper/train/TrainPlanCourseMapper.xml
index a7a2bec3e..fe34edceb 100644
--- a/RuoYi-Vue/ruoyi-train/src/main/resources/mapper/train/TrainPlanCourseMapper.xml
+++ b/RuoYi-Vue/ruoyi-train/src/main/resources/mapper/train/TrainPlanCourseMapper.xml
@@ -118,4 +118,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         select count(*) from train_study_duration where plan_course_id = #{planCourseId}
     </select>
 
+    <select id="countPlanCoursesByCId" parameterType="String" resultType="int">
+        select count(*) from train_plan_course where c_id = #{cId}
+    </select>
+
 </mapper>