diff --git a/xhpc-modules/xhpc-data-big-screen/src/main/java/com/xhpc/databigscreen/domain/CoreParam.java b/xhpc-modules/xhpc-data-big-screen/src/main/java/com/xhpc/databigscreen/domain/CoreParam.java
index 9079b953..184da7a6 100644
--- a/xhpc-modules/xhpc-data-big-screen/src/main/java/com/xhpc/databigscreen/domain/CoreParam.java
+++ b/xhpc-modules/xhpc-data-big-screen/src/main/java/com/xhpc/databigscreen/domain/CoreParam.java
@@ -1,6 +1,5 @@
 package com.xhpc.databigscreen.domain;
 
-import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
@@ -15,9 +14,8 @@ import lombok.NoArgsConstructor;
 @Data
 public class CoreParam {
 
-    @JsonProperty("tenantIds")
     private String tenantIds;
-    private String areaCode;
+    private Integer areaCode;
     private String chargingStationIds;
 
 }
diff --git a/xhpc-modules/xhpc-data-big-screen/src/main/java/com/xhpc/databigscreen/mapper/XhpcChargingStationMapper.java b/xhpc-modules/xhpc-data-big-screen/src/main/java/com/xhpc/databigscreen/mapper/XhpcChargingStationMapper.java
index 8ff0d75f..0846d02c 100644
--- a/xhpc-modules/xhpc-data-big-screen/src/main/java/com/xhpc/databigscreen/mapper/XhpcChargingStationMapper.java
+++ b/xhpc-modules/xhpc-data-big-screen/src/main/java/com/xhpc/databigscreen/mapper/XhpcChargingStationMapper.java
@@ -1,6 +1,7 @@
 package com.xhpc.databigscreen.mapper;
 
 import com.xhpc.databigscreen.pojo.XhpcChargingStation;
+import org.apache.ibatis.annotations.Param;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -21,12 +22,17 @@ public interface XhpcChargingStationMapper {
     int updateByPrimaryKey(XhpcChargingStation record);
 
     /**
-     * query charging station infos of special tenant or all ones by tenant Id List
-     *
      * @author WH
      * @date 2022/2/28 17:50
      * @since version-1.0
      */
-    List<Map<String, Object>> selectByTenantId(ArrayList<Long> tenantIdList);
+    List<Map<String, Object>> selectByTenantIdAndChargingStationId(@Param("tenantIdList") ArrayList<Long> tenantIdList, @Param("chargingStationId") Long chargingStationId);
+
+    /**
+     * @author WH
+     * @date 2022/3/3 15:20
+     * @since version-1.0
+     */
+    List<Map<String, Object>> selectByTenantIdAndAreaCode(@Param("tenantIdStr") String tenantIdStr, @Param("areaCode") Integer areaCode);
 
 }
\ No newline at end of file
diff --git a/xhpc-modules/xhpc-data-big-screen/src/main/java/com/xhpc/databigscreen/service/impl/XhpcDataBigScreenServiceImpl.java b/xhpc-modules/xhpc-data-big-screen/src/main/java/com/xhpc/databigscreen/service/impl/XhpcDataBigScreenServiceImpl.java
index 41b9cf28..3153e999 100644
--- a/xhpc-modules/xhpc-data-big-screen/src/main/java/com/xhpc/databigscreen/service/impl/XhpcDataBigScreenServiceImpl.java
+++ b/xhpc-modules/xhpc-data-big-screen/src/main/java/com/xhpc/databigscreen/service/impl/XhpcDataBigScreenServiceImpl.java
@@ -39,11 +39,25 @@ public class XhpcDataBigScreenServiceImpl implements XhpcDataBigScreenService {
                         tenantIdList.add(tenantId);
                     }
                 }
-                List<Map<String, Object>> xhpcChargingStationList = xhpcChargingStationMapper.selectByTenantId(tenantIdList);
+                List<Map<String, Object>> xhpcChargingStationList = xhpcChargingStationMapper.selectByTenantIdAndChargingStationId(tenantIdList, null);
+                return R.ok(xhpcChargingStationList);
+            } else {
+                //query location info of special charging station of special tenant
+                String tenantIdStr = coreParam.getTenantIds();
+                ArrayList<Long> tenantIdList = new ArrayList<>();
+                long tenantId = Long.parseLong(tenantIdStr);
+                tenantIdList.add(tenantId);
+                String chargingStationIdStr = coreParam.getChargingStationIds();
+                long chargingStationId = Long.parseLong(chargingStationIdStr);
+                List<Map<String, Object>> xhpcChargingStationList = xhpcChargingStationMapper.selectByTenantIdAndChargingStationId(tenantIdList, chargingStationId);
                 return R.ok(xhpcChargingStationList);
             }
+        } else {
+            //query charging station infos of whole area
+            String tenantIdStr = coreParam.getTenantIds();
+            Integer areaCode = coreParam.getAreaCode();
+            List<Map<String, Object>> xhpcChargingStationList = xhpcChargingStationMapper.selectByTenantIdAndAreaCode(tenantIdStr, areaCode);
+            return R.ok(xhpcChargingStationList);
         }
-        return null;
     }
-
 }
diff --git a/xhpc-modules/xhpc-data-big-screen/src/main/resources/mapper/XhpcChargingStationMapper.xml b/xhpc-modules/xhpc-data-big-screen/src/main/resources/mapper/XhpcChargingStationMapper.xml
index 31633a52..ba8c4d98 100644
--- a/xhpc-modules/xhpc-data-big-screen/src/main/resources/mapper/XhpcChargingStationMapper.xml
+++ b/xhpc-modules/xhpc-data-big-screen/src/main/resources/mapper/XhpcChargingStationMapper.xml
@@ -51,12 +51,12 @@
         from xhpc_charging_station
         where charging_station_id = #{chargingStationId,jdbcType=BIGINT}
     </select>
-    <select id="selectByTenantId" resultType="Map">
+    <select id="selectByTenantIdAndChargingStationId" resultType="Map">
         SELECT
         xhpc_charging_station.tenant_id tenantId,
-        xhpc_charging_station.chargingStationId,
+        xhpc_charging_station.charging_station_id chargingStationId,
         xhpc_charging_station.`name`,
-        xhpc_charging_station.areaCode,
+        xhpc_charging_station.area_code areaCode,
         xhpc_charging_station.longitude,
         xhpc_charging_station.latitude
         FROM
@@ -64,12 +64,34 @@
         WHERE
         xhpc_charging_station.del_flag = 0
         AND xhpc_charging_station.`status` = 0
-        <if test="list!=null and list.size()!=0">
+        <if test="tenantIdList!=null and tenantIdList.size()!=0">
             AND xhpc_charging_station.tenant_id in
-            <foreach collection="list" separator="," open="(" close=")" item="tenantId">
+            <foreach collection="tenantIdList" separator="," open="(" close=")" item="tenantId">
                 #{tenantId}
             </foreach>
         </if>
+        <if test="chargingStationId!=null">
+            AND xhpc_charging_station.charging_station_id = #{chargingStationId}
+        </if>
+    </select>
+    <select id="selectByTenantIdAndAreaCode" resultType="map">
+        SELECT
+        xhpc_charging_station.tenant_id tenantId,
+        xhpc_charging_station.charging_station_id chargingStationId,
+        xhpc_charging_station.`name`,
+        xhpc_charging_station.area_code areaCode,
+        xhpc_charging_station.longitude,
+        xhpc_charging_station.latitude
+        FROM
+        xhpc_charging_station
+        WHERE
+        del_flag = 0
+        <if test="tenantIdStr!=null and tenantIdStr!='' ">
+            AND tenant_id = #{tenantIdStr}
+        </if>
+        <if test="areaCode != null and areaCode != '' ">
+            AND area_code = #{areaCode}
+        </if>
     </select>
     <delete id="deleteByPrimaryKey" parameterType="java.lang.Long">
         delete