diff --git a/src/main/java/com/zhgd/xmgl/modules/basicdata/service/impl/FlowOrgRepositoryServiceImpl.java b/src/main/java/com/zhgd/xmgl/modules/basicdata/service/impl/FlowOrgRepositoryServiceImpl.java
index bd76f0d42..d3f8434c2 100644
--- a/src/main/java/com/zhgd/xmgl/modules/basicdata/service/impl/FlowOrgRepositoryServiceImpl.java
+++ b/src/main/java/com/zhgd/xmgl/modules/basicdata/service/impl/FlowOrgRepositoryServiceImpl.java
@@ -139,7 +139,8 @@ public class FlowOrgRepositoryServiceImpl implements OrgRepositoryService {
 
     @Override
     public List<OrgTreeVo> getSubDeptById(String parentId) {
-        return xzProjectOrgMapper.selectByDept(parentId);
+        int p = parentId.indexOf("P");
+        return xzProjectOrgMapper.selectByDept(parentId.substring(0, p), parentId.substring(p + 1));
     }
 
     @Override
diff --git a/src/main/java/com/zhgd/xmgl/modules/xz/mapper/XzProjectOrgMapper.java b/src/main/java/com/zhgd/xmgl/modules/xz/mapper/XzProjectOrgMapper.java
index 08420aefa..cae69e042 100644
--- a/src/main/java/com/zhgd/xmgl/modules/xz/mapper/XzProjectOrgMapper.java
+++ b/src/main/java/com/zhgd/xmgl/modules/xz/mapper/XzProjectOrgMapper.java
@@ -32,6 +32,6 @@ public interface XzProjectOrgMapper extends BaseMapper<XzProjectOrg> {
      * @param deptId 父部门
      * @return 子部门列表，type字段固定返回固定值 dept
      */
-    @Select("SELECT id id, dept_name `name`, 'dept' AS 'type' FROM xz_project_org WHERE parent_id=#{deptId}")
-    List<OrgTreeVo> selectByDept(@Param("deptId") String deptId);
+    @Select("SELECT id id, dept_name `name`, 'dept' AS 'type' FROM xz_project_org WHERE parent_id=#{deptId} AND project_sn = #{projectSn}")
+    List<OrgTreeVo> selectByDept(@Param("deptId") String deptId, @Param("projectSn") String projectSn);
 }