diff --git a/src/main/java/com/sqx/modules/course/entity/CourseCollect.java b/src/main/java/com/sqx/modules/course/entity/CourseCollect.java
index 56f0060a..17b6e034 100644
--- a/src/main/java/com/sqx/modules/course/entity/CourseCollect.java
+++ b/src/main/java/com/sqx/modules/course/entity/CourseCollect.java
@@ -5,6 +5,7 @@ import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.Data;
+import lombok.experimental.Accessors;
 
 import java.io.Serializable;
 
@@ -14,6 +15,7 @@ import java.io.Serializable;
  * @date 2021-03-27
  */
 @Data
+@Accessors(chain = true)
 @TableName("course_collect")
 public class CourseCollect implements Serializable {
 
diff --git a/src/main/java/com/sqx/modules/course/service/impl/CourseCollectServiceImpl.java b/src/main/java/com/sqx/modules/course/service/impl/CourseCollectServiceImpl.java
index 619affac..6905aeac 100644
--- a/src/main/java/com/sqx/modules/course/service/impl/CourseCollectServiceImpl.java
+++ b/src/main/java/com/sqx/modules/course/service/impl/CourseCollectServiceImpl.java
@@ -35,6 +35,29 @@ public class CourseCollectServiceImpl extends ServiceImpl<CourseCollectDao, Cour
     public Result insertCourseCollect(CourseCollect courseCollect) {
         reentrantReadWriteLock.writeLock().lock();
         try {
+            if (courseCollect.getClassify() == 3) {
+                QueryWrapper<CourseCollect> queryWrapper = new QueryWrapper<>();
+                queryWrapper.eq("user_id", courseCollect.getUserId()).eq("classify", 3).eq("course_id", courseCollect.getCourseId());
+                queryWrapper.orderByDesc("create_time");
+                queryWrapper.last("limit 1");
+                CourseCollect collect = baseMapper.selectOne(queryWrapper);
+                if (collect != null) {
+                    collect.setUpdateTime(DateUtils.format(new Date()));
+                    collect.setCourseCollectId(courseCollect.getCourseCollectId());
+                    baseMapper.updateById(collect);
+                    return Result.success("操作成功！");
+                }
+
+                collect = new CourseCollect()
+                        .setUserId(courseCollect.getUserId())
+                        .setCourseId(courseCollect.getCourseId())
+                        .setCourseDetailsId(courseCollect.getCourseDetailsId())
+                        .setClassify(3)
+                        .setCreateTime(DateUtils.format(new Date()))
+                        .setUpdateTime(DateUtils.format(new Date()));
+                baseMapper.insert(collect);
+                return Result.success("操作成功！");
+            }
             CourseCollect courseCollect1 = selectCourseCollectUserIdAnd(courseCollect.getUserId(), courseCollect.getCourseId(),courseCollect.getClassify(),courseCollect.getCourseDetailsId());
             if (courseCollect.getType() == 1) {
                 if(courseCollect1==null){