diff --git a/src/main/java/com/example/demo/serviceImpl/AdminServiceImpl.java b/src/main/java/com/example/demo/serviceImpl/AdminServiceImpl.java
index ab2f1ea..a3aa0f6 100644
--- a/src/main/java/com/example/demo/serviceImpl/AdminServiceImpl.java
+++ b/src/main/java/com/example/demo/serviceImpl/AdminServiceImpl.java
@@ -57,8 +57,7 @@ public class AdminServiceImpl implements AdminService {
 
     @Override
     public String getId(String account) {
-        Admin admin= adminMapper.getAdmin(account);
-        return admin.getId().toString();
+        return adminMapper.getAdmin(account).getId().toString();
     }
 
     private boolean hasPermissionToMachine(Admin admin, String targetMachineId) {