diff --git a/esua-epdc/epdc-admin/epdc-admin-server/src/main/java/com/elink/esua/epdc/service/impl/SysDeptServiceImpl.java b/esua-epdc/epdc-admin/epdc-admin-server/src/main/java/com/elink/esua/epdc/service/impl/SysDeptServiceImpl.java
index 9cc8a63bc..f4d62f96d 100644
--- a/esua-epdc/epdc-admin/epdc-admin-server/src/main/java/com/elink/esua/epdc/service/impl/SysDeptServiceImpl.java
+++ b/esua-epdc/epdc-admin/epdc-admin-server/src/main/java/com/elink/esua/epdc/service/impl/SysDeptServiceImpl.java
@@ -1499,6 +1499,9 @@ public class SysDeptServiceImpl extends BaseServiceImpl<SysDeptDao, SysDeptEntit
     public DeptInfoCodeDTO guessDeptId(Long deptId) {
         DeptInfoCodeDTO resultDTO = new DeptInfoCodeDTO();
         SysDeptDTO dto = get(deptId);
+        if (dto == null) {
+            return resultDTO;
+        }
         if (OrganizationTypeConstant.ORG_TYPE_GRID_PARTY.equals(dto.getTypeKey())) {
             SysDeptDTO community = get(dto.getPid());
             SysDeptDTO street = get(community.getPid());