修复 bug 4465

CODE/smart-community/app-api/src/main/resources/mapper/TpRentalHouseMapper.xml

       and community_id = #{communityId}
       and rh.house_status = 1
     </where>
-    order by rh.sort desc, update_date desc
+    <if test="priceFluctuate == 3">
+      order by rh.sort desc, update_date desc
+    </if>
+
     <if test="priceFluctuate == 1" >
-        , (rh.rental_price+0)  asc
+      order by (rh.rental_price+0)  asc, rh.sort desc, update_date desc
     </if>
 
     <if test="priceFluctuate == 2" >
-        , (rh.rental_price+0)  desc
+      order by (rh.rental_price+0)  desc, rh.sort desc, update_date desc
     </if>
   </select>
 </mapper>