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 e14c56e..8881042 100644
--- a/src/main/java/com/bonus/digitalSignage/backstage/controller/DigitalSignageController.java
+++ b/src/main/java/com/bonus/digitalSignage/backstage/controller/DigitalSignageController.java
@@ -1,7 +1,16 @@
 package com.bonus.digitalSignage.backstage.controller;
 
+import com.bonus.digitalSignage.annotation.DecryptAndVerify;
+import com.bonus.digitalSignage.annotation.LogAnnotation;
+import com.bonus.digitalSignage.backstage.entity.dto.QueryParamDto;
 import com.bonus.digitalSignage.backstage.service.DigitalSignageService;
+import com.bonus.digitalSignage.system.vo.EncryptedReq;
+import com.bonus.digitalSignage.utils.ServerResponse;
+import com.github.pagehelper.PageHelper;
+import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -20,5 +29,12 @@ import javax.annotation.Resource;
 public class DigitalSignageController {
 
     @Resource(name = "DigitalSignageService")
-    private DigitalSignageService digitalSignageService;
+    private DigitalSignageService service;
+
+    @ApiOperation("电子看板-工程树")
+    @PostMapping(value = "getProTree")
+    @DecryptAndVerify(decryptedClass = QueryParamDto.class)//加解密统一管理
+    public ServerResponse getProTree(EncryptedReq<QueryParamDto> dto) {
+        return service.getProTree(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 bd54107..7657184 100644
--- a/src/main/java/com/bonus/digitalSignage/backstage/dao/DigitalSignageDao.java
+++ b/src/main/java/com/bonus/digitalSignage/backstage/dao/DigitalSignageDao.java
@@ -1,7 +1,11 @@
 package com.bonus.digitalSignage.backstage.dao;
 
+import com.bonus.digitalSignage.backstage.entity.dto.QueryParamDto;
+import com.bonus.digitalSignage.backstage.entity.vo.ProTreeVo;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 /**
  * @className:DigitalSignageDao
  * @author:cwchen
@@ -11,4 +15,12 @@ import org.springframework.stereotype.Repository;
  */
 @Repository(value = "DigitalSignageDao")
 public interface DigitalSignageDao {
+    /**
+     * 电子看板-工程树
+     * @param dto
+     * @return List<ProTreeVo>
+     * @author cwchen
+     * @date 2025/4/24 10:49
+     */
+    List<ProTreeVo> getProTree(QueryParamDto dto);
 }
diff --git a/src/main/java/com/bonus/digitalSignage/backstage/entity/vo/ProTreeVo.java b/src/main/java/com/bonus/digitalSignage/backstage/entity/vo/ProTreeVo.java
new file mode 100644
index 0000000..3ed16ad
--- /dev/null
+++ b/src/main/java/com/bonus/digitalSignage/backstage/entity/vo/ProTreeVo.java
@@ -0,0 +1,24 @@
+package com.bonus.digitalSignage.backstage.entity.vo;
+
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * @className:ProTreeVo
+ * @author:cwchen
+ * @date:2025-04-24-10:40
+ * @version:1.0
+ * @description:工程树
+ */
+@Data
+public class ProTreeVo {
+
+    private String id;
+
+    private String title;
+
+    private String parentId;
+
+    private List<ProTreeVo> children;
+}
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 670747c..2f8f5cf 100644
--- a/src/main/java/com/bonus/digitalSignage/backstage/service/DigitalSignageService.java
+++ b/src/main/java/com/bonus/digitalSignage/backstage/service/DigitalSignageService.java
@@ -1,5 +1,8 @@
 package com.bonus.digitalSignage.backstage.service;
 
+import com.bonus.digitalSignage.backstage.entity.dto.QueryParamDto;
+import com.bonus.digitalSignage.utils.ServerResponse;
+
 /**
  * @className:DigitalSignageService
  * @author:cwchen
@@ -8,4 +11,12 @@ package com.bonus.digitalSignage.backstage.service;
  * @description:电子看板-业务层
  */
 public interface DigitalSignageService {
+    /**
+     * 电子看板-工程树
+     * @param data
+     * @return ServerResponse
+     * @author cwchen
+     * @date 2025/4/24 10:39
+     */
+    ServerResponse getProTree(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 8ee09c1..c92d795 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
@@ -1,11 +1,15 @@
 package com.bonus.digitalSignage.backstage.service.impl;
 
 import com.bonus.digitalSignage.backstage.dao.DigitalSignageDao;
+import com.bonus.digitalSignage.backstage.entity.dto.QueryParamDto;
+import com.bonus.digitalSignage.backstage.entity.vo.ProTreeVo;
 import com.bonus.digitalSignage.backstage.service.DigitalSignageService;
+import com.bonus.digitalSignage.utils.ServerResponse;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
+import java.util.*;
 
 /**
  * @className:DigitalSignageServiceImpl
@@ -20,4 +24,42 @@ public class DigitalSignageServiceImpl implements DigitalSignageService {
 
     @Resource(name = "DigitalSignageDao")
     private DigitalSignageDao dao;
+
+    @Override
+    public ServerResponse getProTree(QueryParamDto dto) {
+        List<ProTreeVo> tree = new ArrayList<>();
+        try {
+            List<ProTreeVo> list = Optional.ofNullable(dao.getProTree(dto)).orElseGet(ArrayList::new);
+            tree = buildTreeWithMap(list);
+        } catch (Exception e) {
+            log.error(e.toString(), e);
+        }
+        return ServerResponse.createSuccess(tree);
+    }
+
+    public List<ProTreeVo> buildTreeWithMap(List<ProTreeVo> nodes) {
+        List<ProTreeVo> tree = new ArrayList<>();
+        Map<String, ProTreeVo> nodeMap = new HashMap<>();
+
+        // 第一次遍历：将所有节点存入map
+        for (ProTreeVo node : nodes) {
+            nodeMap.put(node.getId(), node);
+        }
+        // 第二次遍历：建立父子关系
+        for (ProTreeVo node : nodes) {
+            String parentId = node.getParentId();
+            if (parentId == null || parentId.isEmpty()) {
+                tree.add(node);
+            } else {
+                ProTreeVo parent = nodeMap.get(parentId);
+                if (parent != null) {
+                    if (parent.getChildren() == null) {
+                        parent.setChildren(new ArrayList<>());
+                    }
+                    parent.getChildren().add(node);
+                }
+            }
+        }
+        return tree;
+    }
 }
diff --git a/src/main/resources/mappers/backstage/DigitalSignageMapper.xml b/src/main/resources/mappers/backstage/DigitalSignageMapper.xml
index 79ab883..2ac2a85 100644
--- a/src/main/resources/mappers/backstage/DigitalSignageMapper.xml
+++ b/src/main/resources/mappers/backstage/DigitalSignageMapper.xml
@@ -3,4 +3,42 @@
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.bonus.digitalSignage.backstage.dao.DigitalSignageDao">
 
+    <!--电子看板-工程树-->
+    <select id="getProTree" resultType="com.bonus.digitalSignage.backstage.entity.vo.ProTreeVo">
+        SELECT DISTINCT A.* FROM (
+            SELECT '0' AS id,
+            '全部工程' AS title,
+            null AS parentId
+            UNION ALL
+            SELECT CONCAT('departId-',td.id) AS id,
+            td2.depart_name AS title,
+            '0' AS parentId
+            FROM tb_project tp
+            LEFT JOIN tb_depart td ON tp.depart_id = td.id
+            LEFT JOIN tb_depart td2 ON td.parent_id = td2.id
+            <where>
+                <if test="level != '1' and departs != null and departs.size() > 0">
+                    AND tp.depart_id IN
+                    <foreach collection="departs" item="departId" open="(" separator="," close=")">
+                        #{departId}
+                    </foreach>
+                </if>
+                AND tp.is_active = '1'
+            </where>
+            UNION ALL
+            SELECT tp.id,
+            tp.pro_name AS title,
+            CONCAT('departId-',depart_id) AS parentId
+            FROM tb_project tp
+            <where>
+                <if test="level != '1' and departs != null and departs.size() > 0">
+                    AND tp.depart_id IN
+                    <foreach collection="departs" item="departId" open="(" separator="," close=")">
+                        #{departId}
+                    </foreach>
+                </if>
+                AND tp.is_active = '1'
+            </where>
+        ) A
+    </select>
 </mapper>