diff --git a/src/main/java/com/project/ding/domain/service/impl/SearchUserDomainServiceImpl.java b/src/main/java/com/project/ding/domain/service/impl/SearchUserDomainServiceImpl.java
index 2c85c80..c72442e 100644
--- a/src/main/java/com/project/ding/domain/service/impl/SearchUserDomainServiceImpl.java
+++ b/src/main/java/com/project/ding/domain/service/impl/SearchUserDomainServiceImpl.java
@@ -93,6 +93,17 @@ public class SearchUserDomainServiceImpl implements SearchUserDomainService {
                     .findAny().orElse(new DepartmentDTO()).getDeptNamePath()));
         }
         dto.setDeptNameStr(String.join("," , deptNameList));
+        // 改为最底部门
+        if (StrUtil.isNotBlank(dto.getDeptNameStr())) {
+            dto.setDeptNameStr(Arrays.stream(dto.getDeptNameStr().split(",")) // 1. 按逗号拆分成数组并转为流
+                    .map(s -> {
+                        // 2. 对每一项找到最后一个横杠的位置
+                        int lastIndex = s.lastIndexOf("-");
+                        // 3. 如果有横杠则截取，没有则保留原样
+                        return (lastIndex != -1) ? s.substring(lastIndex + 1) : s;
+                    })
+                    .collect(Collectors.joining(",")));
+        }
         return dto;
     }