diff --git a/seahub/api2/endpoints/dir_shared_items.py b/seahub/api2/endpoints/dir_shared_items.py
index 28e5d85bd9..e8350db8f8 100644
--- a/seahub/api2/endpoints/dir_shared_items.py
+++ b/seahub/api2/endpoints/dir_shared_items.py
@@ -191,7 +191,7 @@ class DirSharedItemsEndpoint(APIView):
                                                  shared_to, permission)
 
             send_perm_audit_msg('modify-repo-perm', username, shared_to,
-                                shared_repo.id, path, permission)
+                                repo_id, path, permission)
 
         if shared_to_group:
             gid = request.GET.get('group_id')
@@ -212,7 +212,7 @@ class DirSharedItemsEndpoint(APIView):
                                                       permission)
 
             send_perm_audit_msg('modify-repo-perm', username, gid,
-                                shared_repo.id, path, permission)
+                                repo_id, path, permission)
 
         return HttpResponse(json.dumps({'success': True}), status=200,
                             content_type=json_content_type)
@@ -278,7 +278,7 @@ class DirSharedItemsEndpoint(APIView):
                     })
 
                     send_perm_audit_msg('add-repo-perm', username, to_user,
-                                        shared_repo.id, path, permission)
+                                        repo_id, path, permission)
                 except SearpcError as e:
                     logger.error(e)
                     failed.append(to_user)
@@ -319,7 +319,7 @@ class DirSharedItemsEndpoint(APIView):
                     })
 
                     send_perm_audit_msg('add-repo-perm', username, gid,
-                                        shared_repo.id, path, permission)
+                                        repo_id, path, permission)
                 except SearpcError as e:
                     logger.error(e)
                     failed.append(group.group_name)
@@ -370,7 +370,7 @@ class DirSharedItemsEndpoint(APIView):
             permission = seafile_api.check_permission_by_path(repo.id, path,
                                                               shared_to)
             send_perm_audit_msg('delete-repo-perm', username, shared_to,
-                                shared_repo.id, path, permission)
+                                repo_id, path, permission)
 
         if shared_to_group:
             group_id = request.GET.get('group_id')
@@ -393,7 +393,7 @@ class DirSharedItemsEndpoint(APIView):
                 seafile_api.unset_group_repo(shared_repo.id, group_id, username)
 
             send_perm_audit_msg('delete-repo-perm', username, group_id,
-                                shared_repo.id, path, permission)
+                                repo_id, path, permission)
 
         return HttpResponse(json.dumps({'success': True}), status=200,
                             content_type=json_content_type)
diff --git a/seahub/utils/__init__.py b/seahub/utils/__init__.py
index 33bad389e6..f6cc0a1df3 100644
--- a/seahub/utils/__init__.py
+++ b/seahub/utils/__init__.py
@@ -1211,10 +1211,12 @@ def send_perm_audit_msg(etype, from_user, to, repo_id, path, perm):
     """Send repo permission audit msg.
 
     Arguments:
-    - `request`:
-    - `repo`:
-    - `obj_id`:
-    - `dl_type`: web or api
+    - `etype`: add/modify/delete-repo-perm
+    - `from_user`: email
+    - `to`: email or group_id or all(public)
+    - `repo_id`: origin repo id
+    - `path`: dir path
+    - `perm`: r or rw
     """
     msg = 'perm-update\t%s\t%s\t%s\t%s\t%s\t%s' % \
         (etype, from_user, to, repo_id, path, perm)