diff --git a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/project/domain/vo/project/BusProjectVo.java b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/project/domain/vo/project/BusProjectVo.java
index 0cc7342b..9afaed79 100644
--- a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/project/domain/vo/project/BusProjectVo.java
+++ b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/project/domain/vo/project/BusProjectVo.java
@@ -230,7 +230,7 @@ public class BusProjectVo implements Serializable {
     /**
      * 所属部门列表
      */
-    private List<Long> deptIds;
+    private Long deptIds;
 
     /**
      * 部门列表
@@ -240,7 +240,7 @@ public class BusProjectVo implements Serializable {
     /**
      * 部门名称列表
      */
-    @Translation(type = TransConstant.DEPT_ID_TO_NAME, mapper = "deptStr")
+    @Translation(type = TransConstant.DEPT_ID_TO_NAME, mapper = "deptIds")
     private String deptNames;
 
     /**
diff --git a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/project/service/impl/BusProjectServiceImpl.java b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/project/service/impl/BusProjectServiceImpl.java
index b0d92c90..d5c5ab16 100644
--- a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/project/service/impl/BusProjectServiceImpl.java
+++ b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/project/service/impl/BusProjectServiceImpl.java
@@ -574,7 +574,7 @@ public class BusProjectServiceImpl extends ServiceImpl<BusProjectMapper, BusProj
 //            if (!remove) {
 //                throw new ServiceException("删除项目部门失败", HttpStatus.ERROR);
 //            }
-            if (req.getDeptIds() !=null) {
+            if (req.getDeptIds() != null) {
                 BusProjectDept projectDept = new BusProjectDept();
                 projectDept.setDeptId(req.getDeptIds());
                 projectDept.setProjectId(project.getId());
@@ -713,14 +713,13 @@ public class BusProjectServiceImpl extends ServiceImpl<BusProjectMapper, BusProj
             projectVo.setChildren(subProjectVoList);
         }
         // 关联所属部门
-        List<BusProjectDept> deptList = projectDeptService.lambdaQuery()
+        BusProjectDept dept = projectDeptService.lambdaQuery()
             .eq(BusProjectDept::getProjectId, project.getId())
-            .list();
-        List<Long> deptIds = deptList.stream().map(BusProjectDept::getDeptId).toList();
-        projectVo.setDeptIds(deptIds);
-        if (CollUtil.isNotEmpty(deptIds)) {
-            String deptStr = deptIds.stream().map(String::valueOf).collect(Collectors.joining(","));
-            projectVo.setDeptStr(deptStr);
+            .last("limit 1")
+            .one();
+        if (dept != null) {
+            projectVo.setDeptIds(dept.getDeptId());
+            projectVo.setDeptStr(dept.toString());
         }
         return projectVo;
     }