diff --git a/src/main/java/com/bonus/digitalSignage/backstage/controller/DigitalSignageController.java b/src/main/java/com/bonus/digitalSignage/backstage/controller/DigitalSignageController.java
index 55995ec..2b40d5c 100644
--- a/src/main/java/com/bonus/digitalSignage/backstage/controller/DigitalSignageController.java
+++ b/src/main/java/com/bonus/digitalSignage/backstage/controller/DigitalSignageController.java
@@ -41,4 +41,11 @@ public class DigitalSignageController {
     public ServerResponse getTowerProgressNum(EncryptedReq<QueryParamDto> dto) {
         return service.getTowerProgressNum(dto.getData());
     }
+
+    @ApiOperation("电子看板-三跨数据")
+    @PostMapping(value = "getThreeSpans")
+    @DecryptAndVerify(decryptedClass = QueryParamDto.class)//加解密统一管理
+    public ServerResponse getThreeSpans(EncryptedReq<QueryParamDto> dto) {
+        return service.getThreeSpans(dto.getData());
+    }
 }
diff --git a/src/main/java/com/bonus/digitalSignage/backstage/dao/DigitalSignageDao.java b/src/main/java/com/bonus/digitalSignage/backstage/dao/DigitalSignageDao.java
index d9e7cbc..4010455 100644
--- a/src/main/java/com/bonus/digitalSignage/backstage/dao/DigitalSignageDao.java
+++ b/src/main/java/com/bonus/digitalSignage/backstage/dao/DigitalSignageDao.java
@@ -42,4 +42,13 @@ public interface DigitalSignageDao {
      * @date 2025/4/24 13:59
      */
     int getRopewayTransNum(QueryParamDto dto);
+
+    /**
+     * 电子看板-三跨数据
+     * @param dto
+     * @return List<ThreeSpanVo>
+     * @author cwchen
+     * @date 2025/4/24 14:50
+     */
+    List<DigitalSignageVo.ThreeSpanVo> getThreeSpans(QueryParamDto dto);
 }
diff --git a/src/main/java/com/bonus/digitalSignage/backstage/entity/vo/DigitalSignageVo.java b/src/main/java/com/bonus/digitalSignage/backstage/entity/vo/DigitalSignageVo.java
index e9c872e..d90f54d 100644
--- a/src/main/java/com/bonus/digitalSignage/backstage/entity/vo/DigitalSignageVo.java
+++ b/src/main/java/com/bonus/digitalSignage/backstage/entity/vo/DigitalSignageVo.java
@@ -14,23 +14,99 @@ public class DigitalSignageVo {
 
     @Data
     public static class TowerProgressNumVo {
-        /**基础开挖*/
+        /**
+         * 基础开挖
+         */
         private int num1;
-        /**开挖完成*/
+        /**
+         * 开挖完成
+         */
         private int num2;
-        /**浇筑完成*/
+        /**
+         * 浇筑完成
+         */
         private int num3;
-        /**铁塔组立*/
+        /**
+         * 铁塔组立
+         */
         private int num4;
-        /**组塔完成*/
+        /**
+         * 组塔完成
+         */
         private int num5;
-        /**架线完成*/
+        /**
+         * 架线完成
+         */
         private int num6;
-        /**附件安装*/
+        /**
+         * 附件安装
+         */
         private int num7;
-        /**未开始*/
+        /**
+         * 未开始
+         */
         private int num8;
-        /**索道运输*/
+        /**
+         * 索道运输
+         */
         private int num9;
     }
+
+    @Data
+    public static class ThreeSpanVo {
+
+        /**
+         * 跨越类型 1.跨线路 2.跨公路 3.跨铁路
+         */
+        private String spanType;
+        /**
+         * 开始杆塔id
+         */
+        private Long towerId;
+        /**
+         * 结束杆塔id
+         */
+        private String towerName;
+        /**
+         * 开始杆塔名称
+         */
+        private Long nextTowerId;
+        /**
+         * 结束杆塔名称
+         */
+        private String nextTowerName;
+        /**
+         * 上层线路
+         */
+        private String upperLine;
+        /**
+         * 下层线路
+         */
+        private String lowerLine;
+        /**
+         * 交叉角度
+         */
+        private String intersectionAngle;
+        /**
+         * 垂直距离（m）
+         */
+        private String verticalDistance;
+        /**
+         * 安全裕度（°）
+         */
+        private String safetyMargin;
+        /**
+         * 垂直净距（m）
+         */
+        private String verticalClearDistance;
+        /**
+         * 杆塔间距（m）
+         */
+        private String towerSpacing;
+        /**
+         * 公路宽度（m）
+         */
+        private String highwayWidth;
+
+    }
 }
diff --git a/src/main/java/com/bonus/digitalSignage/backstage/service/DigitalSignageService.java b/src/main/java/com/bonus/digitalSignage/backstage/service/DigitalSignageService.java
index e856d69..adc8a47 100644
--- a/src/main/java/com/bonus/digitalSignage/backstage/service/DigitalSignageService.java
+++ b/src/main/java/com/bonus/digitalSignage/backstage/service/DigitalSignageService.java
@@ -28,4 +28,13 @@ public interface DigitalSignageService {
      * @date 2025/4/24 13:52
      */
     ServerResponse getTowerProgressNum(QueryParamDto data);
+
+    /**
+     * 电子看板-三跨数据
+     * @param data
+     * @return ServerResponse
+     * @author cwchen
+     * @date 2025/4/24 14:48
+     */
+    ServerResponse getThreeSpans(QueryParamDto data);
 }
diff --git a/src/main/java/com/bonus/digitalSignage/backstage/service/impl/DigitalSignageServiceImpl.java b/src/main/java/com/bonus/digitalSignage/backstage/service/impl/DigitalSignageServiceImpl.java
index 3b2c062..fbe3590 100644
--- a/src/main/java/com/bonus/digitalSignage/backstage/service/impl/DigitalSignageServiceImpl.java
+++ b/src/main/java/com/bonus/digitalSignage/backstage/service/impl/DigitalSignageServiceImpl.java
@@ -78,4 +78,15 @@ public class DigitalSignageServiceImpl implements DigitalSignageService {
         }
         return ServerResponse.createSuccess(vo);
     }
+
+    @Override
+    public ServerResponse getThreeSpans(QueryParamDto dto) {
+        List<DigitalSignageVo.ThreeSpanVo> list = new ArrayList<>();
+        try {
+            list = Optional.ofNullable(dao.getThreeSpans(dto)).orElseGet(ArrayList::new);
+        } catch (Exception e) {
+            log.error(e.toString(), e);
+        }
+        return ServerResponse.createSuccess(list);
+    }
 }
diff --git a/src/main/resources/mappers/backstage/DigitalSignageMapper.xml b/src/main/resources/mappers/backstage/DigitalSignageMapper.xml
index 3f7dd7c..daa55f0 100644
--- a/src/main/resources/mappers/backstage/DigitalSignageMapper.xml
+++ b/src/main/resources/mappers/backstage/DigitalSignageMapper.xml
@@ -60,4 +60,26 @@
         FROM tb_cablewa_trans
         WHERE pro_id = #{id} AND is_active = '1'
     </select>
+    <!--电子看板-三跨数据-->
+    <select id="getThreeSpans"
+            resultType="com.bonus.digitalSignage.backstage.entity.vo.DigitalSignageVo$ThreeSpanVo">
+        SELECT tts.id,
+               tts.tower_id AS towerId,
+               tt.tower_name AS towerName,
+               CASE span_type WHEN '1' THEN '跨线路' WHEN '2' THEN '跨公路' WHEN '3' THEN '跨铁路' ELSE '未知' END AS spanType,
+               tts.next_tower_id AS nextTowerId,
+               tt2.tower_name AS nextTowerName,
+               tts.upper_line AS upperLine,
+               tts.lower_line AS lowerLine,
+               tts.intersection_angle AS intersectionAngle,
+               tts.vertical_distance AS verticalDistance,
+               tts.safety_margin AS safetyMargin,
+               tts.vertical_clear_distance AS verticalClearDistance,
+               tts.tower_spacing AS towerSpacing,
+               tts.highway_width AS highwayWidth
+        FROM tb_three_span tts
+        LEFT JOIN tb_tower tt ON tts.tower_id = tt.id
+        LEFT JOIN tb_tower tt2 ON tts.tower_id = tt2.id
+        WHERE tts.pro_id = #{id} AND is_active = '1'
+    </select>
 </mapper>