diff --git a/jeecg-boot/jeecg-boot-module/jeecg-module-aiol/src/main/java/org/jeecg/modules/aiol/constant/EntityLinkConst.java b/jeecg-boot/jeecg-boot-module/jeecg-module-aiol/src/main/java/org/jeecg/modules/aiol/constant/EntityLinkConst.java
index 41dee935..c7580a00 100644
--- a/jeecg-boot/jeecg-boot-module/jeecg-module-aiol/src/main/java/org/jeecg/modules/aiol/constant/EntityLinkConst.java
+++ b/jeecg-boot/jeecg-boot-module/jeecg-module-aiol/src/main/java/org/jeecg/modules/aiol/constant/EntityLinkConst.java
@@ -27,11 +27,11 @@ public final class EntityLinkConst {
     /** 内容类型 */
     public static final class TargetType {
         private TargetType() {}
-        // 资源（对应资源表）
+        // 资源（对应资源表），包括视频和文档
         public static final String RESOURCE = "resource";
         // 作业（对应作业表）
         public static final String HOMEWORK = "homework";
-        // 考试（对应考试表）
+        // 考试（对应考试表），包括考试和练习
         public static final String EXAM = "exam";
         // 课程
         public static final String COURSE = "course";
diff --git a/jeecg-boot/jeecg-boot-module/jeecg-module-aiol/src/main/java/org/jeecg/modules/aiol/service/impl/AiolCourseServiceImpl.java b/jeecg-boot/jeecg-boot-module/jeecg-module-aiol/src/main/java/org/jeecg/modules/aiol/service/impl/AiolCourseServiceImpl.java
index 67074b63..ee272748 100644
--- a/jeecg-boot/jeecg-boot-module/jeecg-module-aiol/src/main/java/org/jeecg/modules/aiol/service/impl/AiolCourseServiceImpl.java
+++ b/jeecg-boot/jeecg-boot-module/jeecg-module-aiol/src/main/java/org/jeecg/modules/aiol/service/impl/AiolCourseServiceImpl.java
@@ -82,6 +82,12 @@ public class AiolCourseServiceImpl extends ServiceImpl<AiolCourseMapper, AiolCou
     @Autowired
     private AiolLearnProgressMapper learnProgressMapper;
 
+    @Autowired
+    private AiolExamMapper examMapper;
+
+    @Autowired
+    private AiolDiscussionMapper discussionMapper;
+
     @Autowired
     private RedisUtil redisUtil;
 
@@ -135,6 +141,14 @@ public class AiolCourseServiceImpl extends ServiceImpl<AiolCourseMapper, AiolCou
                 // 作业章节
                 targetType = EntityLinkConst.TargetType.HOMEWORK;
                 break;
+            case 4:
+                // 练习章节
+                targetType = EntityLinkConst.TargetType.EXAM;
+                break;
+            case 5:
+                // 讨论章节
+                targetType = EntityLinkConst.TargetType.DISCUSSION;
+                break;
             default:
                 break;
         }
@@ -157,12 +171,23 @@ public class AiolCourseServiceImpl extends ServiceImpl<AiolCourseMapper, AiolCou
                     result.add(clazz.cast(resourceMapper.selectById(targetId)));
                     break;
                 case 2:
-                    // TODO 考试章节
+                    // 考试章节
+                    result.add(clazz.cast(examMapper.selectById(targetId)));
                     break;
                 case 3:
                     // 作业章节
                     result.add(clazz.cast(homeworkMapper.selectById(targetId)));
                     break;
+                case 4:
+                    // 练习章节
+                    result.add(clazz.cast(examMapper.selectById(targetId)));
+                    break;
+                case 5:
+                    // 讨论章节
+                    result.add(clazz.cast(discussionMapper.selectById(targetId)));
+                    break;
+                default:
+                    break;
             }
         }