diff --git a/src/main/java/com/teaching/backend/common/ErrorCode.java b/src/main/java/com/teaching/backend/common/ErrorCode.java
index 3db20f0..9679c72 100644
--- a/src/main/java/com/teaching/backend/common/ErrorCode.java
+++ b/src/main/java/com/teaching/backend/common/ErrorCode.java
@@ -24,6 +24,8 @@ public enum ErrorCode {
     MESSAGE_NO_EXIT(400012, "消息不存在！"),
 
     TOTOAL_OBJECTIVE_CANT_DELETE(400013, "课程总目标内容禁止删除！"),
+    CONTENT_HAS_NO_KNOWS(400014, "当前课程目标下面没有关联的知识点！"),
+
 
     NOT_LOGIN_ERROR(40100, "未登录"),
     NO_AUTH_ERROR(40101, "无权限"),
diff --git a/src/main/java/com/teaching/backend/service/impl/courses/ObjectiveContentKnowServiceImpl.java b/src/main/java/com/teaching/backend/service/impl/courses/ObjectiveContentKnowServiceImpl.java
index 76f4668..c125417 100644
--- a/src/main/java/com/teaching/backend/service/impl/courses/ObjectiveContentKnowServiceImpl.java
+++ b/src/main/java/com/teaching/backend/service/impl/courses/ObjectiveContentKnowServiceImpl.java
@@ -18,6 +18,8 @@ import com.teaching.backend.model.entity.knowtmp.Knowtmp;
 import com.teaching.backend.model.vo.courses.ObjectiveContentKnowVO;
 import com.teaching.backend.model.vo.knowtmp.KnowTmpVO;
 import com.teaching.backend.service.courses.IObjectiveContentKnowService;
+import com.teaching.backend.utils.CourseCode;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -39,6 +41,7 @@ import java.util.stream.Collectors;
  * @since 2024-06-13
  */
 @Service
+@Slf4j
 public class ObjectiveContentKnowServiceImpl extends ServiceImpl<ObjectiveContentKnowMapper, ObjectiveContentKnow> implements IObjectiveContentKnowService {
 
     @Autowired
@@ -108,6 +111,7 @@ public class ObjectiveContentKnowServiceImpl extends ServiceImpl<ObjectiveConten
                         .eq(ObjectiveContentKnow::getObjectiveContentId, objectiveContentId)
         );
         if(objectiveContentKnows.isEmpty()){
+            log.warn("当前课程目标下面没有关联的知识点contentId:{}",objectiveContentId);
             throw new BusinessException(ErrorCode.CONTENT_HAS_NO_KNOWS);
         }