diff --git a/seahub/api2/endpoints/repo_commit_dir.py b/seahub/api2/endpoints/repo_commit_dir.py
index 129e050dad..645f3c550b 100644
--- a/seahub/api2/endpoints/repo_commit_dir.py
+++ b/seahub/api2/endpoints/repo_commit_dir.py
@@ -15,6 +15,7 @@ from seahub.api2.authentication import TokenAuthentication
 from seahub.api2.utils import api_error
 from seahub.views import check_folder_permission
 from seaserv import seafile_api
+from seahub.utils import normalize_dir_path
 
 logger = logging.getLogger(__name__)
 
@@ -24,20 +25,21 @@ class RepoCommitDirView(APIView):
     permission_classes = (IsAuthenticated,)
     throttle_classes = (UserRateThrottle,)
 
-    def _get_item_info(self, item, path):
+    def _get_item_info(self, dirent, path):
 
-        item_info = {
-            'parent_dir': path,
-            'name': item.obj_name,
-        }
-
-        if stat.S_ISDIR(item.mode):
-            item_info['type'] = 'dir'
+        # # seahub/seahub/api2/views get_dir_file_recursively
+        entry = {}
+        if stat.S_ISDIR(dirent.mode):
+            entry['type'] = 'dir'
         else:
-            item_info['type'] = 'file'
-            item_info['size'] = item.size
+            entry['type'] = 'file'
+            entry['size'] = dirent.size
 
-        return item_info
+        entry['parent_dir'] = path
+        entry['obj_id'] = dirent.obj_id
+        entry['name'] = dirent.obj_name
+
+        return entry
 
     def get(self, request, repo_id, commit_id, format=None):
         """ List dir by commit
@@ -49,6 +51,7 @@ class RepoCommitDirView(APIView):
 
         # argument check
         path = request.GET.get('path', '/')
+        path = normalize_dir_path(path)
 
         # resource check
         repo = seafile_api.get_repo(repo_id)
diff --git a/tests/api/endpoints/test_repo_commit_dir.py b/tests/api/endpoints/test_repo_commit_dir.py
index 21dab80514..82f7706516 100644
--- a/tests/api/endpoints/test_repo_commit_dir.py
+++ b/tests/api/endpoints/test_repo_commit_dir.py
@@ -5,7 +5,7 @@ from django.core.urlresolvers import reverse
 
 from seaserv import seafile_api
 from seahub.test_utils import BaseTestCase
-
+from seahub.utils import normalize_dir_path
 from tests.common.utils import randstring
 
 
@@ -61,7 +61,7 @@ class RepoCommitDirTest(BaseTestCase):
         assert json_resp['dirent_list'][0]
         assert json_resp['dirent_list'][0]['type'] == 'file'
         assert json_resp['dirent_list'][0]['name'] == self.inner_file_name
-        assert json_resp['dirent_list'][0]['parent_dir'] == self.folder_path
+        assert json_resp['dirent_list'][0]['parent_dir'] == normalize_dir_path(self.folder_path)
         assert json_resp['dirent_list'][0]['size'] == 0
 
         # test can get without path
@@ -74,11 +74,13 @@ class RepoCommitDirTest(BaseTestCase):
         assert json_resp['dirent_list'][0]['type'] == 'dir'
         assert json_resp['dirent_list'][0]['name'] == self.folder_name
         assert json_resp['dirent_list'][0]['parent_dir'] == '/'
-        assert json_resp['dirent_list'][0].get('size') is None
+        assert json_resp['dirent_list'][0]['obj_id']
+
         assert json_resp['dirent_list'][1]
         assert json_resp['dirent_list'][1]['type'] == 'file'
         assert json_resp['dirent_list'][1]['name'] == self.file_name
         assert json_resp['dirent_list'][1]['parent_dir'] == '/'
+        assert json_resp['dirent_list'][0]['obj_id']
         assert json_resp['dirent_list'][1]['size'] == 0
 
         # test_can_not_get_with_invalid_path_parameter