diff --git a/src/main/java/xyz/playedu/api/controller/backend/CourseController.java b/src/main/java/xyz/playedu/api/controller/backend/CourseController.java
index a8e7fe0..d668960 100644
--- a/src/main/java/xyz/playedu/api/controller/backend/CourseController.java
+++ b/src/main/java/xyz/playedu/api/controller/backend/CourseController.java
@@ -75,7 +75,6 @@ public class CourseController {
         HashMap<String, Object> data = new HashMap<>();
         data.put("data", result.getData());
         data.put("total", result.getTotal());
-        data.put("category_count", courseService.getCategoryCount());
         data.put("pure_total", courseService.total());
 
         return JsonResponse.data(data);
diff --git a/src/main/java/xyz/playedu/api/controller/backend/ResourceController.java b/src/main/java/xyz/playedu/api/controller/backend/ResourceController.java
index 1fbca5f..8e80093 100644
--- a/src/main/java/xyz/playedu/api/controller/backend/ResourceController.java
+++ b/src/main/java/xyz/playedu/api/controller/backend/ResourceController.java
@@ -77,7 +77,6 @@ public class ResourceController {
 
         HashMap<String, Object> data = new HashMap<>();
         data.put("result", result);
-        data.put("category_count", resourceService.getCategoryCount(type));
         data.put("pure_total", resourceService.total(type));
 
         if (type.equals(BackendConstant.RESOURCE_TYPE_VIDEO)) {
diff --git a/src/main/java/xyz/playedu/api/mapper/CourseMapper.java b/src/main/java/xyz/playedu/api/mapper/CourseMapper.java
index 142c6bf..4c126c2 100644
--- a/src/main/java/xyz/playedu/api/mapper/CourseMapper.java
+++ b/src/main/java/xyz/playedu/api/mapper/CourseMapper.java
@@ -17,8 +17,6 @@ import java.util.List;
 @Mapper
 public interface CourseMapper extends BaseMapper<Course> {
 
-    List<CourseCategoryCountMapper> getCategoryCount();
-
     List<Course> paginate(CoursePaginateFiler filer);
 
     Long paginateCount(CoursePaginateFiler filer);
diff --git a/src/main/java/xyz/playedu/api/mapper/ResourceMapper.java b/src/main/java/xyz/playedu/api/mapper/ResourceMapper.java
index 1bc8188..d7c85cc 100644
--- a/src/main/java/xyz/playedu/api/mapper/ResourceMapper.java
+++ b/src/main/java/xyz/playedu/api/mapper/ResourceMapper.java
@@ -18,10 +18,6 @@ import java.util.Map;
 @Mapper
 public interface ResourceMapper extends BaseMapper<Resource> {
 
-    List<ResourceCategoryCountMapper> getCategoryCount(String type);
-
-    Integer getNunCategoryCount(String type);
-
     List<Resource> paginate(ResourcePaginateFilter filter);
 
     Long paginateCount(ResourcePaginateFilter filter);
diff --git a/src/main/java/xyz/playedu/api/service/CourseService.java b/src/main/java/xyz/playedu/api/service/CourseService.java
index afbc805..6b2b700 100644
--- a/src/main/java/xyz/playedu/api/service/CourseService.java
+++ b/src/main/java/xyz/playedu/api/service/CourseService.java
@@ -44,8 +44,6 @@ public interface CourseService extends IService<Course> {
 
     List<Course> chunks(List<Integer> ids);
 
-    Map<Integer, Integer> getCategoryCount();
-
     Integer total();
 
     List<Course> openCoursesAndShow(Integer limit);
diff --git a/src/main/java/xyz/playedu/api/service/ResourceService.java b/src/main/java/xyz/playedu/api/service/ResourceService.java
index 9f1252c..0dbdf08 100644
--- a/src/main/java/xyz/playedu/api/service/ResourceService.java
+++ b/src/main/java/xyz/playedu/api/service/ResourceService.java
@@ -30,8 +30,6 @@ public interface ResourceService extends IService<Resource> {
 
     List<Resource> chunks(List<Integer> ids, List<String> fields);
 
-    Map<Integer, Integer> getCategoryCount(String type);
-
     Integer total(String type);
 
     Integer duration(Integer id);
diff --git a/src/main/java/xyz/playedu/api/service/impl/CourseServiceImpl.java b/src/main/java/xyz/playedu/api/service/impl/CourseServiceImpl.java
index 7c22099..6141ce4 100644
--- a/src/main/java/xyz/playedu/api/service/impl/CourseServiceImpl.java
+++ b/src/main/java/xyz/playedu/api/service/impl/CourseServiceImpl.java
@@ -169,11 +169,6 @@ public class CourseServiceImpl extends ServiceImpl<CourseMapper, Course> impleme
         return list(query().getWrapper().in("id", ids));
     }
 
-    @Override
-    public Map<Integer, Integer> getCategoryCount() {
-        return getBaseMapper().getCategoryCount().stream().collect(Collectors.toMap(CourseCategoryCountMapper::getCid, CourseCategoryCountMapper::getTotal));
-    }
-
     @Override
     public Integer total() {
         return Math.toIntExact(count());
diff --git a/src/main/java/xyz/playedu/api/service/impl/ResourceServiceImpl.java b/src/main/java/xyz/playedu/api/service/impl/ResourceServiceImpl.java
index 39a1d8f..d2f7e5b 100644
--- a/src/main/java/xyz/playedu/api/service/impl/ResourceServiceImpl.java
+++ b/src/main/java/xyz/playedu/api/service/impl/ResourceServiceImpl.java
@@ -112,13 +112,6 @@ public class ResourceServiceImpl extends ServiceImpl<ResourceMapper, Resource> i
         return list(query().getWrapper().in("id", ids).select(fields));
     }
 
-    @Override
-    public Map<Integer, Integer> getCategoryCount(String type) {
-        Map<Integer, Integer> data = getBaseMapper().getCategoryCount(type).stream().collect(Collectors.toMap(ResourceCategoryCountMapper::getCid, ResourceCategoryCountMapper::getTotal));
-        data.put(0, getBaseMapper().getNunCategoryCount(type));
-        return data;
-    }
-
     @Override
     public Integer total(String type) {
         return Math.toIntExact(count(query().getWrapper().eq("type", type).eq("is_hidden", 0)));
diff --git a/src/main/resources/mapper/CourseMapper.xml b/src/main/resources/mapper/CourseMapper.xml
index 8b8feee..a6f5e6b 100644
--- a/src/main/resources/mapper/CourseMapper.xml
+++ b/src/main/resources/mapper/CourseMapper.xml
@@ -8,6 +8,7 @@
             <id property="id" column="id" jdbcType="INTEGER"/>
             <result property="title" column="title" jdbcType="VARCHAR"/>
             <result property="thumb" column="thumb" jdbcType="VARCHAR"/>
+            <result property="shortDesc" column="short_desc" jdbcType="VARCHAR"/>
             <result property="charge" column="charge" jdbcType="INTEGER"/>
             <result property="classHour" column="class_hour" jdbcType="INTEGER"/>
             <result property="isShow" column="is_show" jdbcType="TINYINT"/>
@@ -18,18 +19,12 @@
     </resultMap>
 
     <sql id="Base_Column_List">
-        id,title,thumb,
+        id,title,thumb,short_desc,
         charge,class_hour,is_show,
         is_required,created_at,updated_at,
         deleted_at
     </sql>
 
-    <select id="getCategoryCount" resultType="xyz.playedu.api.types.mapper.CourseCategoryCountMapper">
-        SELECT `resource_course_category`.`category_id` as `cid`, count(*) as `total`
-        FROM `resource_course_category`
-        GROUP BY `resource_course_category`.`category_id`;
-    </select>
-
     <select id="paginate" resultType="xyz.playedu.api.domain.Course">
         SELECT `courses`.*
         FROM `courses`
diff --git a/src/main/resources/mapper/ResourceMapper.xml b/src/main/resources/mapper/ResourceMapper.xml
index bf4e49f..f5db0d9 100644
--- a/src/main/resources/mapper/ResourceMapper.xml
+++ b/src/main/resources/mapper/ResourceMapper.xml
@@ -29,24 +29,6 @@
         is_hidden
     </sql>
 
-    <select id="getCategoryCount" resultType="xyz.playedu.api.types.mapper.ResourceCategoryCountMapper">
-        SELECT `resource_category`.`cid` as `cid`, count(*) as `total`
-        FROM `resources`
-                 INNER JOIN `resource_category` ON `resource_category`.`rid` = `resources`.`id`
-        WHERE `resources`.`type` = #{type}
-        AND `resources`.`is_hidden` = 0
-        GROUP BY `resource_category`.`cid`;
-    </select>
-
-    <select id="getNunCategoryCount" resultType="java.lang.Integer">
-        SELECT count(1) AS `total`
-        FROM `resources`
-                 LEFT JOIN `resource_category` ON `resource_category`.`rid` = `resources`.`id`
-        WHERE `resources`.`type` = #{type}
-          AND `resources`.`is_hidden` = 0
-          AND `resource_category`.`rid` IS NULL;
-    </select>
-
     <select id="paginate" resultType="xyz.playedu.api.domain.Resource">
         SELECT `resources`.*
         FROM `resources`