优化响应速度，取消flag标记以及具体设备的mac。

kaiyu

2020-10-09 c04171420e9522422d110acc165bd8c608c592fb

 src/main/resources/mapper/CityMapper.xml

@@ -6,4 +6,9 @@
    <result column="city_name" property="cityName" jdbcType="VARCHAR" />
    <result column="province_code" property="provinceCode" jdbcType="INTEGER" />
  </resultMap>

  <select id="getCityByName" resultType="com.moral.entity.City" resultMap="BaseResultMap">
    select * from city
    where city_name like '%${name}%' limit 0,1
  </select>
</mapper>