diff --git a/data-center-business-common/src/main/resources/config/language/msg/msg_cn.yml b/data-center-business-common/src/main/resources/config/language/msg/msg_cn.yml
index edc44ac..e3679f4 100644
--- a/data-center-business-common/src/main/resources/config/language/msg/msg_cn.yml
+++ b/data-center-business-common/src/main/resources/config/language/msg/msg_cn.yml
@@ -199,3 +199,4 @@ msgcn:
         levelReferencedByChildren: 已被下级层级绑定，请先解绑后再删除
         levelRoleNameExist: 层级角色已存在
         roleHasBinded: 角色已绑定用户，请先解绑再删除
+        dataMappingFormatError: 数据映射格式错误
diff --git a/data-center-business-common/src/main/resources/config/language/msg/msg_en.yml b/data-center-business-common/src/main/resources/config/language/msg/msg_en.yml
index 3c3f01e..2303bda 100644
--- a/data-center-business-common/src/main/resources/config/language/msg/msg_en.yml
+++ b/data-center-business-common/src/main/resources/config/language/msg/msg_en.yml
@@ -198,4 +198,5 @@ msgen:
         invalidParentLevel: Invalid parent level
         levelReferencedByChildren: It is bound by child levels. Please unbind them before deleting.
         levelRoleNameExist: The role already exists.
-        roleHasBinded: The role is assigned to users. Please unbind them before deleting.
\ No newline at end of file
+        roleHasBinded: The role is assigned to users. Please unbind them before deleting.
+        dataMappingFormatError: Invalid data mapping format
\ No newline at end of file
diff --git a/data-center-business-common/src/main/resources/config/language/msg/msg_jp.yml b/data-center-business-common/src/main/resources/config/language/msg/msg_jp.yml
index cd2225b..21bf390 100644
--- a/data-center-business-common/src/main/resources/config/language/msg/msg_jp.yml
+++ b/data-center-business-common/src/main/resources/config/language/msg/msg_jp.yml
@@ -198,4 +198,5 @@ msgjp:
         invalidParentLevel: 無効な上位階層です
         levelReferencedByChildren: 下位階層に紐づいています。削除する前に紐付けを解除してください。
         levelRoleNameExist: 役割名が既に登録済み
-        roleHasBinded: 役割はユーザーにバインドされている ので、削除する前にバインドを解除してください
\ No newline at end of file
+        roleHasBinded: 役割はユーザーにバインドされている ので、削除する前にバインドを解除してください
+        dataMappingFormatError: データマッピング形式が不正です
\ No newline at end of file
diff --git a/data-center-business-controller/src/main/resources/db/migration/V61__device_adapt_category.sql b/data-center-business-controller/src/main/resources/db/migration/V61__device_adapt_category.sql
new file mode 100644
index 0000000..b90d53b
--- /dev/null
+++ b/data-center-business-controller/src/main/resources/db/migration/V61__device_adapt_category.sql
@@ -0,0 +1,4 @@
+ALTER TABLE device_info ADD (
+    `unit` varchar(45) DEFAULT NULL,
+    `data_mapping` json DEFAULT NULL COMMENT '数据映射关系，格式为：{"default":{"1":"漏水","2":"漏电","3":"起火"},"status":{"1":"开门","2":"关门"}}，默认只有default一个字段，预留多字段设计'
+);
\ No newline at end of file
diff --git a/data-center-business-controller/src/main/resources/template/deviceInfo_zh.xlsx b/data-center-business-controller/src/main/resources/template/deviceInfo_zh.xlsx
index 813faba..0a73421 100644
Binary files a/data-center-business-controller/src/main/resources/template/deviceInfo_zh.xlsx and b/data-center-business-controller/src/main/resources/template/deviceInfo_zh.xlsx differ
diff --git a/data-center-business-controller/src/main/resources/template/en/deviceInfo_en.xlsx b/data-center-business-controller/src/main/resources/template/en/deviceInfo_en.xlsx
index cf79a62..025f49f 100644
Binary files a/data-center-business-controller/src/main/resources/template/en/deviceInfo_en.xlsx and b/data-center-business-controller/src/main/resources/template/en/deviceInfo_en.xlsx differ
diff --git a/data-center-business-controller/src/main/resources/template/jp/deviceInfo_jp.xlsx b/data-center-business-controller/src/main/resources/template/jp/deviceInfo_jp.xlsx
index 146f808..8c93e20 100644
Binary files a/data-center-business-controller/src/main/resources/template/jp/deviceInfo_jp.xlsx and b/data-center-business-controller/src/main/resources/template/jp/deviceInfo_jp.xlsx differ
diff --git a/data-center-business-dao/src/main/java/com/techsor/datacenter/business/dao/auto/DeviceInfoMapper.java b/data-center-business-dao/src/main/java/com/techsor/datacenter/business/dao/auto/DeviceInfoMapper.java
index 47c1d62..8acdbe0 100644
--- a/data-center-business-dao/src/main/java/com/techsor/datacenter/business/dao/auto/DeviceInfoMapper.java
+++ b/data-center-business-dao/src/main/java/com/techsor/datacenter/business/dao/auto/DeviceInfoMapper.java
@@ -46,6 +46,14 @@ public interface DeviceInfoMapper {
      */
     int insertSelective(DeviceInfo record);
 
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table device_info
+     *
+     * @mbg.generated
+     */
+    List<DeviceInfo> selectByExampleWithBLOBs(DeviceInfoExample example);
+
     /**
      * This method was generated by MyBatis Generator.
      * This method corresponds to the database table device_info
@@ -70,6 +78,14 @@ public interface DeviceInfoMapper {
      */
     int updateByExampleSelective(@Param("record") DeviceInfo record, @Param("example") DeviceInfoExample example);
 
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table device_info
+     *
+     * @mbg.generated
+     */
+    int updateByExampleWithBLOBs(@Param("record") DeviceInfo record, @Param("example") DeviceInfoExample example);
+
     /**
      * This method was generated by MyBatis Generator.
      * This method corresponds to the database table device_info
@@ -86,6 +102,14 @@ public interface DeviceInfoMapper {
      */
     int updateByPrimaryKeySelective(DeviceInfo record);
 
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method corresponds to the database table device_info
+     *
+     * @mbg.generated
+     */
+    int updateByPrimaryKeyWithBLOBs(DeviceInfo record);
+
     /**
      * This method was generated by MyBatis Generator.
      * This method corresponds to the database table device_info
diff --git a/data-center-business-dao/src/main/resources/mappers/auto/DeviceInfoMapper.xml b/data-center-business-dao/src/main/resources/mappers/auto/DeviceInfoMapper.xml
index 6d8a5f0..06fb28f 100644
--- a/data-center-business-dao/src/main/resources/mappers/auto/DeviceInfoMapper.xml
+++ b/data-center-business-dao/src/main/resources/mappers/auto/DeviceInfoMapper.xml
@@ -30,6 +30,14 @@
     <result column="gateway_info_id" jdbcType="BIGINT" property="gatewayInfoId" />
     <result column="alarm_level" jdbcType="INTEGER" property="alarmLevel" />
     <result column="retain_alert" jdbcType="INTEGER" property="retainAlert" />
+    <result column="unit" jdbcType="VARCHAR" property="unit" />
+  </resultMap>
+  <resultMap extends="BaseResultMap" id="ResultMapWithBLOBs" type="com.techsor.datacenter.business.model.DeviceInfo">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+    -->
+    <result column="data_mapping" jdbcType="LONGVARCHAR" property="dataMapping" />
   </resultMap>
   <sql id="Example_Where_Clause">
     <!--
@@ -105,8 +113,36 @@
     id, device_id, device_sn, type_id, wsclient_id, space_id, device_name, remark, building_id, 
     asset_id, flag, company_id, created_by, created_timestamp, updated_by, updated_timestamp, 
     project_id, floor_id, monitoring_point_name, monitoring_point_category_id, data_provider_id, 
-    gateway_info_id, alarm_level, retain_alert
+    gateway_info_id, alarm_level, retain_alert, unit
   </sql>
+  <sql id="Blob_Column_List">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+    -->
+    data_mapping
+  </sql>
+  <select id="selectByExampleWithBLOBs" parameterType="com.techsor.datacenter.business.model.DeviceInfoExample" resultMap="ResultMapWithBLOBs">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+    -->
+    select
+    <if test="distinct">
+      distinct
+    </if>
+    'true' as QUERYID,
+    <include refid="Base_Column_List" />
+    ,
+    <include refid="Blob_Column_List" />
+    from device_info
+    <if test="_parameter != null">
+      <include refid="Example_Where_Clause" />
+    </if>
+    <if test="orderByClause != null">
+      order by ${orderByClause}
+    </if>
+  </select>
   <select id="selectByExample" parameterType="com.techsor.datacenter.business.model.DeviceInfoExample" resultMap="BaseResultMap">
     <!--
       WARNING - @mbg.generated
@@ -126,13 +162,15 @@
       order by ${orderByClause}
     </if>
   </select>
-  <select id="selectByPrimaryKey" parameterType="java.lang.Integer" resultMap="BaseResultMap">
+  <select id="selectByPrimaryKey" parameterType="java.lang.Integer" resultMap="ResultMapWithBLOBs">
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
     -->
     select 
     <include refid="Base_Column_List" />
+    ,
+    <include refid="Blob_Column_List" />
     from device_info
     where id = #{id,jdbcType=INTEGER}
   </select>
@@ -169,8 +207,8 @@
       created_timestamp, updated_by, updated_timestamp, 
       project_id, floor_id, monitoring_point_name, 
       monitoring_point_category_id, data_provider_id, 
-      gateway_info_id, alarm_level, retain_alert
-      )
+      gateway_info_id, alarm_level, retain_alert, 
+      unit, data_mapping)
     values (#{deviceId,jdbcType=VARCHAR}, #{deviceSn,jdbcType=VARCHAR}, #{typeId,jdbcType=INTEGER}, 
       #{wsclientId,jdbcType=INTEGER}, #{spaceId,jdbcType=BIGINT}, #{deviceName,jdbcType=VARCHAR}, 
       #{remark,jdbcType=VARCHAR}, #{buildingId,jdbcType=BIGINT}, #{assetId,jdbcType=BIGINT}, 
@@ -178,8 +216,8 @@
       #{createdTimestamp,jdbcType=TIMESTAMP}, #{updatedBy,jdbcType=BIGINT}, #{updatedTimestamp,jdbcType=BIGINT}, 
       #{projectId,jdbcType=BIGINT}, #{floorId,jdbcType=BIGINT}, #{monitoringPointName,jdbcType=VARCHAR}, 
       #{monitoringPointCategoryId,jdbcType=BIGINT}, #{dataProviderId,jdbcType=BIGINT}, 
-      #{gatewayInfoId,jdbcType=BIGINT}, #{alarmLevel,jdbcType=INTEGER}, #{retainAlert,jdbcType=INTEGER}
-      )
+      #{gatewayInfoId,jdbcType=BIGINT}, #{alarmLevel,jdbcType=INTEGER}, #{retainAlert,jdbcType=INTEGER}, 
+      #{unit,jdbcType=VARCHAR}, #{dataMapping,jdbcType=LONGVARCHAR})
   </insert>
   <insert id="insertSelective" parameterType="com.techsor.datacenter.business.model.DeviceInfo">
     <!--
@@ -260,6 +298,12 @@
       <if test="retainAlert != null">
         retain_alert,
       </if>
+      <if test="unit != null">
+        unit,
+      </if>
+      <if test="dataMapping != null">
+        data_mapping,
+      </if>
     </trim>
     <trim prefix="values (" suffix=")" suffixOverrides=",">
       <if test="deviceId != null">
@@ -331,6 +375,12 @@
       <if test="retainAlert != null">
         #{retainAlert,jdbcType=INTEGER},
       </if>
+      <if test="unit != null">
+        #{unit,jdbcType=VARCHAR},
+      </if>
+      <if test="dataMapping != null">
+        #{dataMapping,jdbcType=LONGVARCHAR},
+      </if>
     </trim>
   </insert>
   <select id="countByExample" parameterType="com.techsor.datacenter.business.model.DeviceInfoExample" resultType="java.lang.Long">
@@ -422,11 +472,53 @@
       <if test="record.retainAlert != null">
         retain_alert = #{record.retainAlert,jdbcType=INTEGER},
       </if>
+      <if test="record.unit != null">
+        unit = #{record.unit,jdbcType=VARCHAR},
+      </if>
+      <if test="record.dataMapping != null">
+        data_mapping = #{record.dataMapping,jdbcType=LONGVARCHAR},
+      </if>
     </set>
     <if test="_parameter != null">
       <include refid="Update_By_Example_Where_Clause" />
     </if>
   </update>
+  <update id="updateByExampleWithBLOBs" parameterType="map">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+    -->
+    update device_info
+    set id = #{record.id,jdbcType=INTEGER},
+      device_id = #{record.deviceId,jdbcType=VARCHAR},
+      device_sn = #{record.deviceSn,jdbcType=VARCHAR},
+      type_id = #{record.typeId,jdbcType=INTEGER},
+      wsclient_id = #{record.wsclientId,jdbcType=INTEGER},
+      space_id = #{record.spaceId,jdbcType=BIGINT},
+      device_name = #{record.deviceName,jdbcType=VARCHAR},
+      remark = #{record.remark,jdbcType=VARCHAR},
+      building_id = #{record.buildingId,jdbcType=BIGINT},
+      asset_id = #{record.assetId,jdbcType=BIGINT},
+      flag = #{record.flag,jdbcType=INTEGER},
+      company_id = #{record.companyId,jdbcType=BIGINT},
+      created_by = #{record.createdBy,jdbcType=BIGINT},
+      created_timestamp = #{record.createdTimestamp,jdbcType=TIMESTAMP},
+      updated_by = #{record.updatedBy,jdbcType=BIGINT},
+      updated_timestamp = #{record.updatedTimestamp,jdbcType=BIGINT},
+      project_id = #{record.projectId,jdbcType=BIGINT},
+      floor_id = #{record.floorId,jdbcType=BIGINT},
+      monitoring_point_name = #{record.monitoringPointName,jdbcType=VARCHAR},
+      monitoring_point_category_id = #{record.monitoringPointCategoryId,jdbcType=BIGINT},
+      data_provider_id = #{record.dataProviderId,jdbcType=BIGINT},
+      gateway_info_id = #{record.gatewayInfoId,jdbcType=BIGINT},
+      alarm_level = #{record.alarmLevel,jdbcType=INTEGER},
+      retain_alert = #{record.retainAlert,jdbcType=INTEGER},
+      unit = #{record.unit,jdbcType=VARCHAR},
+      data_mapping = #{record.dataMapping,jdbcType=LONGVARCHAR}
+    <if test="_parameter != null">
+      <include refid="Update_By_Example_Where_Clause" />
+    </if>
+  </update>
   <update id="updateByExample" parameterType="map">
     <!--
       WARNING - @mbg.generated
@@ -456,7 +548,8 @@
       data_provider_id = #{record.dataProviderId,jdbcType=BIGINT},
       gateway_info_id = #{record.gatewayInfoId,jdbcType=BIGINT},
       alarm_level = #{record.alarmLevel,jdbcType=INTEGER},
-      retain_alert = #{record.retainAlert,jdbcType=INTEGER}
+      retain_alert = #{record.retainAlert,jdbcType=INTEGER},
+      unit = #{record.unit,jdbcType=VARCHAR}
     <if test="_parameter != null">
       <include refid="Update_By_Example_Where_Clause" />
     </if>
@@ -537,9 +630,48 @@
       <if test="retainAlert != null">
         retain_alert = #{retainAlert,jdbcType=INTEGER},
       </if>
+      <if test="unit != null">
+        unit = #{unit,jdbcType=VARCHAR},
+      </if>
+      <if test="dataMapping != null">
+        data_mapping = #{dataMapping,jdbcType=LONGVARCHAR},
+      </if>
     </set>
     where id = #{id,jdbcType=INTEGER}
   </update>
+  <update id="updateByPrimaryKeyWithBLOBs" parameterType="com.techsor.datacenter.business.model.DeviceInfo">
+    <!--
+      WARNING - @mbg.generated
+      This element is automatically generated by MyBatis Generator, do not modify.
+    -->
+    update device_info
+    set device_id = #{deviceId,jdbcType=VARCHAR},
+      device_sn = #{deviceSn,jdbcType=VARCHAR},
+      type_id = #{typeId,jdbcType=INTEGER},
+      wsclient_id = #{wsclientId,jdbcType=INTEGER},
+      space_id = #{spaceId,jdbcType=BIGINT},
+      device_name = #{deviceName,jdbcType=VARCHAR},
+      remark = #{remark,jdbcType=VARCHAR},
+      building_id = #{buildingId,jdbcType=BIGINT},
+      asset_id = #{assetId,jdbcType=BIGINT},
+      flag = #{flag,jdbcType=INTEGER},
+      company_id = #{companyId,jdbcType=BIGINT},
+      created_by = #{createdBy,jdbcType=BIGINT},
+      created_timestamp = #{createdTimestamp,jdbcType=TIMESTAMP},
+      updated_by = #{updatedBy,jdbcType=BIGINT},
+      updated_timestamp = #{updatedTimestamp,jdbcType=BIGINT},
+      project_id = #{projectId,jdbcType=BIGINT},
+      floor_id = #{floorId,jdbcType=BIGINT},
+      monitoring_point_name = #{monitoringPointName,jdbcType=VARCHAR},
+      monitoring_point_category_id = #{monitoringPointCategoryId,jdbcType=BIGINT},
+      data_provider_id = #{dataProviderId,jdbcType=BIGINT},
+      gateway_info_id = #{gatewayInfoId,jdbcType=BIGINT},
+      alarm_level = #{alarmLevel,jdbcType=INTEGER},
+      retain_alert = #{retainAlert,jdbcType=INTEGER},
+      unit = #{unit,jdbcType=VARCHAR},
+      data_mapping = #{dataMapping,jdbcType=LONGVARCHAR}
+    where id = #{id,jdbcType=INTEGER}
+  </update>
   <update id="updateByPrimaryKey" parameterType="com.techsor.datacenter.business.model.DeviceInfo">
     <!--
       WARNING - @mbg.generated
@@ -568,7 +700,8 @@
       data_provider_id = #{dataProviderId,jdbcType=BIGINT},
       gateway_info_id = #{gatewayInfoId,jdbcType=BIGINT},
       alarm_level = #{alarmLevel,jdbcType=INTEGER},
-      retain_alert = #{retainAlert,jdbcType=INTEGER}
+      retain_alert = #{retainAlert,jdbcType=INTEGER},
+      unit = #{unit,jdbcType=VARCHAR}
     where id = #{id,jdbcType=INTEGER}
   </update>
 </mapper>
\ No newline at end of file
diff --git a/data-center-business-dao/src/main/resources/mappers/ex/DeviceInfoMapperExt.xml b/data-center-business-dao/src/main/resources/mappers/ex/DeviceInfoMapperExt.xml
index 3022f2f..58971d9 100644
--- a/data-center-business-dao/src/main/resources/mappers/ex/DeviceInfoMapperExt.xml
+++ b/data-center-business-dao/src/main/resources/mappers/ex/DeviceInfoMapperExt.xml
@@ -7,7 +7,7 @@
                                  device_name, remark, building_id, asset_id, flag, company_id,
                                  created_by, created_timestamp, updated_by, updated_timestamp,
                                  project_id, floor_id, monitoring_point_name, data_provider_id,
-                                 gateway_info_id, alarm_level)
+                                 gateway_info_id, alarm_level, unit, data_mapping)
         VALUES
         <foreach collection="list" item="item" separator=",">
             (
@@ -31,7 +31,9 @@
             #{item.monitoringPointName,jdbcType=VARCHAR},
             #{item.dataProviderId,jdbcType=BIGINT},
             #{item.gatewayInfoId,jdbcType=BIGINT},
-            #{item.alarmLevel,jdbcType=INTEGER}
+            #{item.alarmLevel,jdbcType=INTEGER},
+            #{item.unit,jdbcType=VARCHAR},
+            #{item.dataMapping,jdbcType=LONGVARCHAR}
             )
         </foreach>
     </insert>
@@ -50,6 +52,7 @@
         type.device_category_id,device_info.monitoring_point_name,device_info.monitoring_point_category_id,mpc.name monitoringPointCategoryName,
         device_info.data_provider_id, data_provider.name dataProviderName, device_info.retain_alert,
         device_info.gateway_info_id, data_provider_gateway_info.name gatewayInfoName, device_info.alarm_level,
+        device_info.unit,device_info.data_mapping,
         dashboard_device_group.id deviceGroupId, dashboard_device_group.name deviceGroupName
         from
         device_info
diff --git a/data-center-business-model/src/main/java/com/techsor/datacenter/business/dto/device/DeviceAddParams.java b/data-center-business-model/src/main/java/com/techsor/datacenter/business/dto/device/DeviceAddParams.java
index 0bb95f8..a03bf98 100644
--- a/data-center-business-model/src/main/java/com/techsor/datacenter/business/dto/device/DeviceAddParams.java
+++ b/data-center-business-model/src/main/java/com/techsor/datacenter/business/dto/device/DeviceAddParams.java
@@ -61,5 +61,11 @@ public class DeviceAddParams {
     @Schema(description ="设备组ID",example = "2")
     private Long deviceGroupId;
 
+    @Schema(description = "unit", example = "km")
+    private String unit;
+
+    @Schema(description = "data mapping", example = "{\"default\":{\"1\":\"漏水\",\"2\":\"漏电\",\"3\":\"起火\"}")
+    private String dataMapping;
+
 
 }
diff --git a/data-center-business-model/src/main/java/com/techsor/datacenter/business/dto/device/DeviceUpdateParams.java b/data-center-business-model/src/main/java/com/techsor/datacenter/business/dto/device/DeviceUpdateParams.java
index 97f383d..c1c9d53 100644
--- a/data-center-business-model/src/main/java/com/techsor/datacenter/business/dto/device/DeviceUpdateParams.java
+++ b/data-center-business-model/src/main/java/com/techsor/datacenter/business/dto/device/DeviceUpdateParams.java
@@ -62,4 +62,10 @@ public class DeviceUpdateParams {
     @Schema(description ="设备组ID",example = "2")
     private Long deviceGroupId;
 
+    @Schema(description = "unit", example = "km")
+    private String unit;
+
+    @Schema(description = "data mapping", example = "{\"default\":{\"1\":\"漏水\",\"2\":\"漏电\",\"3\":\"起火\"}")
+    private String dataMapping;
+
 }
diff --git a/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcel.java b/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcel.java
index cea60b7..d2a0534 100644
--- a/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcel.java
+++ b/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcel.java
@@ -72,5 +72,11 @@ public class DeviceInfoExcel {
     
     @ExcelProperty(value ="设备组")
     private String deviceGroup;
+
+    @ExcelProperty(value ="单位")
+    private String unit;
+
+    @ExcelProperty(value ="数据映射")
+    private String dataMapping;
     
 }
diff --git a/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcelCn.java b/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcelCn.java
index e2e3061..83b8cd9 100644
--- a/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcelCn.java
+++ b/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcelCn.java
@@ -98,4 +98,10 @@ public class DeviceInfoExcelCn {
     @ExcelProperty(value ="设备组")
     private String deviceGroup;
 
+    @ExcelProperty(value ="单位")
+    private String unit;
+
+    @ExcelProperty(value ="数据映射")
+    private String dataMapping;
+
 }
diff --git a/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcelEn.java b/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcelEn.java
index 8f4a9a4..827c3da 100644
--- a/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcelEn.java
+++ b/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcelEn.java
@@ -68,4 +68,10 @@ public class DeviceInfoExcelEn {
     @ExcelProperty(value ="Device Group")
     private String deviceGroup;
 
+    @ExcelProperty(value ="Unit")
+    private String unit;
+
+    @ExcelProperty(value ="Data Mapping")
+    private String dataMapping;
+
 }
diff --git a/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcelJp.java b/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcelJp.java
index f45b437..4e541a5 100644
--- a/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcelJp.java
+++ b/data-center-business-model/src/main/java/com/techsor/datacenter/business/importexcel/deviceinfo/DeviceInfoExcelJp.java
@@ -70,4 +70,10 @@ public class DeviceInfoExcelJp {
     @ExcelProperty(value ="デバイスグループ")
     private String deviceGroup;
 
+    @ExcelProperty(value ="単位")
+    private String unit;
+
+    @ExcelProperty(value ="データマッピング")
+    private String dataMapping;
+
 }
diff --git a/data-center-business-model/src/main/java/com/techsor/datacenter/business/model/DeviceInfo.java b/data-center-business-model/src/main/java/com/techsor/datacenter/business/model/DeviceInfo.java
index 38b5638..93441ee 100644
--- a/data-center-business-model/src/main/java/com/techsor/datacenter/business/model/DeviceInfo.java
+++ b/data-center-business-model/src/main/java/com/techsor/datacenter/business/model/DeviceInfo.java
@@ -220,6 +220,24 @@ public class DeviceInfo implements Serializable {
      */
     private Integer retainAlert;
 
+    /**
+     *
+     * This field was generated by MyBatis Generator.
+     * This field corresponds to the database column device_info.unit
+     *
+     * @mbg.generated
+     */
+    private String unit;
+
+    /**
+     *
+     * This field was generated by MyBatis Generator.
+     * This field corresponds to the database column device_info.data_mapping
+     *
+     * @mbg.generated
+     */
+    private String dataMapping;
+
     /**
      * This field was generated by MyBatis Generator.
      * This field corresponds to the database table device_info
@@ -804,6 +822,54 @@ public class DeviceInfo implements Serializable {
         this.retainAlert = retainAlert;
     }
 
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method returns the value of the database column device_info.unit
+     *
+     * @return the value of device_info.unit
+     *
+     * @mbg.generated
+     */
+    public String getUnit() {
+        return unit;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method sets the value of the database column device_info.unit
+     *
+     * @param unit the value for device_info.unit
+     *
+     * @mbg.generated
+     */
+    public void setUnit(String unit) {
+        this.unit = unit == null ? null : unit.trim();
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method returns the value of the database column device_info.data_mapping
+     *
+     * @return the value of device_info.data_mapping
+     *
+     * @mbg.generated
+     */
+    public String getDataMapping() {
+        return dataMapping;
+    }
+
+    /**
+     * This method was generated by MyBatis Generator.
+     * This method sets the value of the database column device_info.data_mapping
+     *
+     * @param dataMapping the value for device_info.data_mapping
+     *
+     * @mbg.generated
+     */
+    public void setDataMapping(String dataMapping) {
+        this.dataMapping = dataMapping == null ? null : dataMapping.trim();
+    }
+
     /**
      * This method was generated by MyBatis Generator.
      * This method corresponds to the database table device_info
@@ -840,6 +906,8 @@ public class DeviceInfo implements Serializable {
         sb.append(", gatewayInfoId=").append(gatewayInfoId);
         sb.append(", alarmLevel=").append(alarmLevel);
         sb.append(", retainAlert=").append(retainAlert);
+        sb.append(", unit=").append(unit);
+        sb.append(", dataMapping=").append(dataMapping);
         sb.append(", serialVersionUID=").append(serialVersionUID);
         sb.append("]");
         return sb.toString();
diff --git a/data-center-business-model/src/main/java/com/techsor/datacenter/business/model/DeviceInfoExample.java b/data-center-business-model/src/main/java/com/techsor/datacenter/business/model/DeviceInfoExample.java
index fc2b7d4..570e8b8 100644
--- a/data-center-business-model/src/main/java/com/techsor/datacenter/business/model/DeviceInfoExample.java
+++ b/data-center-business-model/src/main/java/com/techsor/datacenter/business/model/DeviceInfoExample.java
@@ -1684,6 +1684,76 @@ public class DeviceInfoExample {
             addCriterion("retain_alert not between", value1, value2, "retainAlert");
             return (Criteria) this;
         }
+
+        public Criteria andUnitIsNull() {
+            addCriterion("unit is null");
+            return (Criteria) this;
+        }
+
+        public Criteria andUnitIsNotNull() {
+            addCriterion("unit is not null");
+            return (Criteria) this;
+        }
+
+        public Criteria andUnitEqualTo(String value) {
+            addCriterion("unit =", value, "unit");
+            return (Criteria) this;
+        }
+
+        public Criteria andUnitNotEqualTo(String value) {
+            addCriterion("unit <>", value, "unit");
+            return (Criteria) this;
+        }
+
+        public Criteria andUnitGreaterThan(String value) {
+            addCriterion("unit >", value, "unit");
+            return (Criteria) this;
+        }
+
+        public Criteria andUnitGreaterThanOrEqualTo(String value) {
+            addCriterion("unit >=", value, "unit");
+            return (Criteria) this;
+        }
+
+        public Criteria andUnitLessThan(String value) {
+            addCriterion("unit <", value, "unit");
+            return (Criteria) this;
+        }
+
+        public Criteria andUnitLessThanOrEqualTo(String value) {
+            addCriterion("unit <=", value, "unit");
+            return (Criteria) this;
+        }
+
+        public Criteria andUnitLike(String value) {
+            addCriterion("unit like", value, "unit");
+            return (Criteria) this;
+        }
+
+        public Criteria andUnitNotLike(String value) {
+            addCriterion("unit not like", value, "unit");
+            return (Criteria) this;
+        }
+
+        public Criteria andUnitIn(List<String> values) {
+            addCriterion("unit in", values, "unit");
+            return (Criteria) this;
+        }
+
+        public Criteria andUnitNotIn(List<String> values) {
+            addCriterion("unit not in", values, "unit");
+            return (Criteria) this;
+        }
+
+        public Criteria andUnitBetween(String value1, String value2) {
+            addCriterion("unit between", value1, value2, "unit");
+            return (Criteria) this;
+        }
+
+        public Criteria andUnitNotBetween(String value1, String value2) {
+            addCriterion("unit not between", value1, value2, "unit");
+            return (Criteria) this;
+        }
     }
 
     /**
diff --git a/data-center-business-model/src/main/java/com/techsor/datacenter/business/vo/device/DeviceVO.java b/data-center-business-model/src/main/java/com/techsor/datacenter/business/vo/device/DeviceVO.java
index 3376934..4546b7f 100644
--- a/data-center-business-model/src/main/java/com/techsor/datacenter/business/vo/device/DeviceVO.java
+++ b/data-center-business-model/src/main/java/com/techsor/datacenter/business/vo/device/DeviceVO.java
@@ -126,4 +126,10 @@ public class DeviceVO {
 
     @Schema(description ="设备组组名",example = "组2")
     private String deviceGroupName;
+
+    @Schema(description = "unit", example = "km")
+    private String unit;
+
+    @Schema(description = "data mapping", example = "{\"default\":{\"1\":\"漏水\",\"2\":\"漏电\",\"3\":\"起火\"}")
+    private String dataMapping;
 }
diff --git a/data-center-business-service/src/main/java/com/techsor/datacenter/business/service/impl/DeviceServiceImpl.java b/data-center-business-service/src/main/java/com/techsor/datacenter/business/service/impl/DeviceServiceImpl.java
index a4917a0..4c50fe3 100644
--- a/data-center-business-service/src/main/java/com/techsor/datacenter/business/service/impl/DeviceServiceImpl.java
+++ b/data-center-business-service/src/main/java/com/techsor/datacenter/business/service/impl/DeviceServiceImpl.java
@@ -225,6 +225,9 @@ public class DeviceServiceImpl implements IDeviceService {
     @Override
     public SimpleDataResponse addDeviceInfos(DeviceAddParams deviceAddParams, Long userId, Long companyId, Integer languageType) {
         try {
+            if (StringUtils.isNotBlank(deviceAddParams.getDataMapping()) && !CommonUtil.isJson(deviceAddParams.getDataMapping())){
+                return new SimpleDataResponse(ResponseCode.MSG_ERROR, msgLanguageChange.getParameterMapByCode(languageType, "dataMappingFormatError"));
+            }
             /** Some validation operations **/
             try {
                 List<Long> selfAndSubCompanyList = commonOpt.getSelfAndSubCompanyId(companyId);
@@ -238,7 +241,6 @@ public class DeviceServiceImpl implements IDeviceService {
             } catch (MsgCodeException e) {
                 return new SimpleDataResponse(ResponseCode.MSG_ERROR, e.getMessage());
             }
-
             // Check if device ID is globally unique
             DeviceInfoExample deviceInfoCountExample = new DeviceInfoExample();
             deviceInfoCountExample.createCriteria().andFlagNotEqualTo(1).andDeviceIdEqualTo(deviceAddParams.getDeviceId());
@@ -307,6 +309,9 @@ public class DeviceServiceImpl implements IDeviceService {
             if (ObjectUtils.isEmpty(deviceUpdateParams.getId())) {
                 return new SimpleDataResponse(ResponseCode.MSG_ERROR, "id is null");
             }
+            if (StringUtils.isNotBlank(deviceUpdateParams.getDataMapping()) && !CommonUtil.isJson(deviceUpdateParams.getDataMapping())){
+                return new SimpleDataResponse(ResponseCode.MSG_ERROR, msgLanguageChange.getParameterMapByCode(languageType, "dataMappingFormatError"));
+            }
             /** Some validation operations **/
             try {
                 List<Long> selfAndSubCompanyList = commonOpt.getSelfAndSubCompanyId(companyId);
@@ -339,6 +344,12 @@ public class DeviceServiceImpl implements IDeviceService {
             if (Objects.nonNull(deviceUpdateParams.getTypeId())) {
                 deviceInfo.setTypeId(deviceUpdateParams.getTypeId().intValue());
             }
+            if (StringUtils.isBlank(deviceUpdateParams.getUnit())) {
+                deviceInfo.setUnit("");
+            }
+            if (StringUtils.isBlank(deviceUpdateParams.getDataMapping())) {
+                deviceInfo.setDataMapping("");
+            }
             this.deviceInfoMapperExt.updateByPrimaryKeySelective(deviceInfo);
 
             DeviceGroupRelationExample example = new DeviceGroupRelationExample();
@@ -883,6 +894,10 @@ public class DeviceServiceImpl implements IDeviceService {
                     errorList.add(msgLanguageChange.getParameterMapByCode(languageType, "targetCodeNotExist"));
                 }
 
+                if (StringUtils.isNotBlank(deviceInfoExcel.getDataMapping()) && !CommonUtil.isJson(deviceInfoExcel.getDataMapping())){
+                    errorList.add(msgLanguageChange.getParameterMapByCode(languageType, "dataMappingFormatError"));
+                }
+
                 // Error messages handling
                 if (!errorList.isEmpty()) {
                     StringBuffer stringBuffer=new StringBuffer();
@@ -932,6 +947,16 @@ public class DeviceServiceImpl implements IDeviceService {
                     if (StringUtils.isNotBlank(deviceInfoExcel.getDataProvider())) {
                         deviceInfo.setDataProviderId(dataProviderMapping.get(deviceInfoExcel.getDataProvider()).getId());
                     }
+                    if (StringUtils.isBlank(deviceInfoExcel.getUnit())){
+                        deviceInfo.setUnit("");
+                    } else {
+                        deviceInfo.setUnit(deviceInfoExcel.getUnit());
+                    }
+                    if (StringUtils.isBlank(deviceInfoExcel.getDataMapping())){
+                        deviceInfo.setDataMapping("");
+                    } else {
+                        deviceInfo.setDataMapping(deviceInfoExcel.getDataMapping());
+                    }
 //                    if (StringUtils.isNotBlank(deviceInfoExcel.getMonitoringPointCategory())) {
 //                    	deviceInfo.setMonitoringPointCategoryId(monitoringPointCategoryMapping.get(deviceInfoExcel.getMonitoringPointCategory()).getId());
 //                    }
@@ -952,6 +977,8 @@ public class DeviceServiceImpl implements IDeviceService {
                     deviceInfo.setFlag(0);
                     deviceInfo.setUpdatedTimestamp(System.currentTimeMillis());
                     deviceInfo.setWsclientId(wsClientIdId);
+                    deviceInfo.setUnit(deviceInfoExcel.getUnit());
+                    deviceInfo.setDataMapping(deviceInfoExcel.getDataMapping());
                     if (StringUtils.isNotBlank(deviceInfoExcel.getMonitoringPointName())) {
                         deviceInfo.setMonitoringPointName(deviceInfoExcel.getMonitoringPointName());
                     }
diff --git a/data-center-business-util/src/main/java/com/techsor/datacenter/business/util/CommonUtil.java b/data-center-business-util/src/main/java/com/techsor/datacenter/business/util/CommonUtil.java
index b29cc3b..cc216be 100644
--- a/data-center-business-util/src/main/java/com/techsor/datacenter/business/util/CommonUtil.java
+++ b/data-center-business-util/src/main/java/com/techsor/datacenter/business/util/CommonUtil.java
@@ -27,6 +27,8 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 
 public class CommonUtil {
 
+	private static final ObjectMapper objectMapper = new ObjectMapper();
+
 	private static final String decimalsRegex = "[.](.*)";
 	
 	private static final String hexStringRegex = "^[A-Fa-f0-9]+$";
@@ -822,5 +824,17 @@ public class CommonUtil {
 		}
 	}
 
+	public static boolean isJson(String str) {
+		if (str == null || str.trim().isEmpty()) {
+			return false;
+		}
+		try {
+			objectMapper.readTree(str);
+			return true;
+		} catch (Exception e) {
+			return false;
+		}
+	}
+
 
 }