修复获取推荐商家SQL异常问题

vehicle-server/src/main/resources/mapper/MerchantMapper.xml

@@ -15,7 +15,7 @@
         )) distance
         from `merchant` mt
         where mt.status = 'ONLINE' and mt.recommend = 1
-        order mt.create_time desc limit #{size}
+        order by mt.create_time desc limit #{size}
     </select>
 
     <select id="listNearbyMerchants" resultType="com.chelvc.cloud.vehicle.api.dto.MerchantDTO">