diff --git a/src/main/java/com/peanut/modules/common/entity/CourseCatalogueEntity.java b/src/main/java/com/peanut/modules/common/entity/CourseCatalogueEntity.java
index 76237456..f27da71f 100644
--- a/src/main/java/com/peanut/modules/common/entity/CourseCatalogueEntity.java
+++ b/src/main/java/com/peanut/modules/common/entity/CourseCatalogueEntity.java
@@ -38,4 +38,9 @@ public class CourseCatalogueEntity{
      */
     @TableField(exist = false)
     private Integer needCreate;
+    /**
+     * isBuy：0否1是
+     */
+    @TableField(exist = false)
+    private Integer isBuy;
 }
diff --git a/src/main/java/com/peanut/modules/sociology/controller/HomeController.java b/src/main/java/com/peanut/modules/sociology/controller/HomeController.java
index 6908073e..7eb7144c 100644
--- a/src/main/java/com/peanut/modules/sociology/controller/HomeController.java
+++ b/src/main/java/com/peanut/modules/sociology/controller/HomeController.java
@@ -24,15 +24,6 @@ public class HomeController {
     @Autowired
     private CourseSociologyService courseSociologyService;
 
-
-
-    //首页-我的课程
-    @RequestMapping("/getMyCourse")
-    public R getMyCourse(String userId){
-        List<CourseEntity> courseList = courseService.getMyCourse(userId);
-        return R.ok().put("myCourse",courseList);
-    }
-
     /**
      *获取国学标签列表
      * @param param
diff --git a/src/main/java/com/peanut/modules/sociology/service/CourseService.java b/src/main/java/com/peanut/modules/sociology/service/CourseService.java
index cbc2fdce..8522e084 100644
--- a/src/main/java/com/peanut/modules/sociology/service/CourseService.java
+++ b/src/main/java/com/peanut/modules/sociology/service/CourseService.java
@@ -10,7 +10,6 @@ import java.util.Map;
 
 public interface CourseService extends IService<CourseEntity> {
 
-    List<CourseEntity> getMyCourse(String userId);
 
     List<CourseEntity> getCourseListBySociology(String sociologyId);
 
diff --git a/src/main/java/com/peanut/modules/sociology/service/impl/CourseServiceImpl.java b/src/main/java/com/peanut/modules/sociology/service/impl/CourseServiceImpl.java
index 139f6424..b01ef981 100644
--- a/src/main/java/com/peanut/modules/sociology/service/impl/CourseServiceImpl.java
+++ b/src/main/java/com/peanut/modules/sociology/service/impl/CourseServiceImpl.java
@@ -4,10 +4,8 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.github.yulichang.wrapper.MPJLambdaWrapper;
-import com.peanut.modules.common.dao.CourseCatalogueDao;
-import com.peanut.modules.common.dao.CourseDao;
-import com.peanut.modules.common.dao.CourseToSociologyDao;
-import com.peanut.modules.common.dao.UserToCourseDao;
+import com.peanut.common.utils.ShiroUtils;
+import com.peanut.modules.common.dao.*;
 import com.peanut.modules.common.entity.*;
 import com.peanut.modules.common.to.ParamTo;
 import com.peanut.modules.sociology.service.CourseService;
@@ -30,18 +28,9 @@ public class CourseServiceImpl extends ServiceImpl<CourseDao, CourseEntity> impl
     private CourseToSociologyDao courseToSociologyDao;
     @Autowired
     private CourseCatalogueDao courseCatalogueDao;
+    @Autowired
+    private UserCourseBuyDao userCourseBuyDao;
 
-    //我的课程
-    @Override
-    public List<CourseEntity> getMyCourse(String userId) {
-        MPJLambdaWrapper<UserToCourseEntity> wrapper = new MPJLambdaWrapper();
-        wrapper.selectAll(CourseEntity.class);
-        wrapper.leftJoin(CourseEntity.class,CourseEntity::getId,UserToCourseEntity::getCourseId);
-        wrapper.groupBy(UserToCourseEntity::getCourseId);
-        wrapper.eq(UserToCourseEntity::getUserId,userId);
-        List courseList = userToCourseDao.selectMaps(wrapper);
-        return courseList;
-    }
 
     //根据标签获取课程列表
     @Override
@@ -90,6 +79,11 @@ public class CourseServiceImpl extends ServiceImpl<CourseDao, CourseEntity> impl
         CourseEntity course = this.getById(id);
         flag.put("course",course);
         List<CourseCatalogueEntity> courseCatalogueEntities = courseCatalogueDao.selectList(new LambdaQueryWrapper<CourseCatalogueEntity>().eq(CourseCatalogueEntity::getCourseId, id));
+        Integer uId = ShiroUtils.getUId();
+        for (CourseCatalogueEntity c :courseCatalogueEntities){
+            Integer integer = userCourseBuyDao.selectCount(new LambdaQueryWrapper<UserCourseBuyEntity>().eq(UserCourseBuyEntity::getUserId, uId).eq(UserCourseBuyEntity::getCatalogueId, c.getId()));
+            c.setIsBuy(integer>0?1:0);
+        }
         flag.put("catalogues",courseCatalogueEntities);
         return flag;
     }