bugfix

src/main/java/com/huiju/estateagents/controller/TaPolicyController.java

 		    IPage<TaPolicy> pg = new Page<>(pageNum, pageSize);
             QueryWrapper<TaPolicy> queryWrapper = new QueryWrapper<>();
             queryWrapper.eq(null != cityId,"city_id",cityId);
-            queryWrapper.orderByDesc("create_date","weight");
             queryWrapper.orderByDesc("weight", "create_date");
             queryWrapper.eq("status", CommConstant.STATUS_NORMAL);