修改bug

src/main/java/cn/chnmuseum/party/mapper/LearningContentBoardMapper.java

@@ -120,8 +120,7 @@ public interface LearningContentBoardMapper extends BaseMapper<LearningContentBo
 
 
     @Select("<script>"
-            + "SELECT distinct a.* from "
-            + "(SELECT eb.* FROM learning_project p,learning_content lc,learning_content_board lcb, exhibition_board eb "
+            + "SELECT eb.* FROM learning_project p,learning_content lc,learning_content_board lcb, exhibition_board eb "
             + "WHERE lcb.exhibition_board_id = eb.id and p.id = lc.learning_project_id and lc.id = lcb.learning_content_id "
             + "and eb.is_published = 1 and eb.is_deleted = 0 and lc.is_deleted = 0 and lc.is_published = 1"
             + "<if test='learningProjectId != null'>and p.id = #{learningProjectId} </if>"
@@ -130,7 +129,7 @@ public interface LearningContentBoardMapper extends BaseMapper<LearningContentBo
             "OR eb.name_first_pin_yin LIKE CONCAT('%', #{nameOrCode}, '%') " +
             "OR eb.serial_no  LIKE CONCAT('%', #{nameOrCode}, '%'))"
             + "</if>"
-            + "order by lcb.sortorder, eb.create_time DESC)a  "
+            + "order by lcb.sortorder DESC, eb.create_time DESC "
             + "</script>"
     )
     IPage<ExhibitionBoard> getBoardPageByLearningProjectId(Page<ExhibitionBoard> page, String learningProjectId, String nameOrCode);