【修改】中心活动、地方动态按照文档中提供得语句修改，排序部分，没有改需求。

src/main/resources/mapper/manage/NewsDao.xml

@@ -188,29 +188,7 @@
     </select>
 
     <select id="selectRealTimeInfo" resultMap="newsMap">
-        SELECT    t.id,
-                  t.title,
-                  t.author,
-                  t.showtime,
-                  t.startdate,
-                  t.keyword,
-                  t.editor,
-                  t.lasteditor,
-                  t.auditor,
-                  t.status,
-                  t.classid,
-                  t.levels,
-                  t.releasedate,
-                  t.updatedate,
-                  t1.name
-        from news t
-                     LEFT JOIN newsClass t1
-                on t.classid = t1.id
-        where 	t1.name is not null
-        and t.classid = #{newsParams.classId}
-        and t.levels > 0
-        and  t.status = '1'
-        order  by t.levels desc,t.showtime DESC,t.id desc
+        select * from news where status=1 and levels>0 and classid=#{newsParams.classId} ORDER BY levels DESC,showtime DESC,id DESC
     </select>
 
     <select id="getHdbdList" resultMap="newsMap">