diff --git a/seahub/api2/endpoints/group_owned_libraries.py b/seahub/api2/endpoints/group_owned_libraries.py
index 9a001c025c..aab6f6ef4d 100644
--- a/seahub/api2/endpoints/group_owned_libraries.py
+++ b/seahub/api2/endpoints/group_owned_libraries.py
@@ -35,8 +35,9 @@ from seahub.utils.rpc import SeafileAPI
 from seahub.share.signals import share_repo_to_user_successful, share_repo_to_group_successful
 from seahub.share.utils import share_dir_to_user, share_dir_to_group, update_user_dir_permission, \
         check_user_share_out_permission, update_group_dir_permission, \
-        check_group_share_out_permission
+        check_group_share_out_permission, check_user_share_in_permission
 from seahub.constants import PERMISSION_READ, PERMISSION_READ_WRITE
+from seahub.views import check_folder_permission
 
 from seahub.settings import ENABLE_STORAGE_CLASSES, STORAGE_CLASS_MAPPING_POLICY
 
@@ -1313,3 +1314,43 @@ class GroupOwnedLibraryGroupShare(APIView):
                             repo_id, path, permission)
 
         return Response({'success': True})
+
+
+class GroupOwnedLibraryUserShareInLibrary(APIView):
+
+    authentication_classes = (TokenAuthentication, SessionAuthentication)
+    permission_classes = (IsAuthenticated, IsProVersion)
+    throttle_classes = (UserRateThrottle,)
+
+    @add_org_context
+    def delete(self, request, repo_id, org_id, format=None):
+        """ User delete a repo shared to him/her.
+        """
+        repo = seafile_api.get_repo(repo_id)
+        if not repo:
+            error_msg = 'Library %s not found.' % repo_id
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        if not check_folder_permission(request, repo_id, '/'):
+            error_msg = 'Permission denied.'
+            return api_error(status.HTTP_403_FORBIDDEN, error_msg)
+
+        username = request.user.username
+        repo_owner = get_repo_owner(request, repo_id)
+        try:
+            if org_id:
+                is_org = True
+                seafile_api.org_remove_share(org_id, repo_id, repo_owner, username)
+            else:
+                is_org = False
+                seafile_api.remove_share(repo_id, repo_owner, username)
+        except Exception as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        permission = check_user_share_in_permission(repo_id, username, is_org)
+        send_perm_audit_msg('delete-repo-perm', repo_owner, username,
+                repo_id, '/', permission)
+
+        return Response({'success': True})
diff --git a/seahub/api2/views.py b/seahub/api2/views.py
index c4d30b893c..92c539ab00 100644
--- a/seahub/api2/views.py
+++ b/seahub/api2/views.py
@@ -704,6 +704,11 @@ class Repos(APIView):
                 if q and q.lower() not in r.name.lower():
                     continue
 
+                library_group_name = ''
+                if '@seafile_group' in r.user:
+                    library_group_id = get_group_id_by_repo_owner(r.user)
+                    library_group_name= group_id_to_name(library_group_id)
+
                 r.password_need = is_passwd_set(r.repo_id, email)
                 repo = {
                     "type": "srepo",
@@ -726,6 +731,7 @@ class Repos(APIView):
                     "root": '',
                     "head_commit_id": r.head_cmmt_id,
                     "version": r.version,
+                    "group_name": library_group_name,
                 }
 
                 if r.repo_id in repos_with_admin_share_to:
diff --git a/seahub/urls.py b/seahub/urls.py
index bda7713c32..5029857372 100644
--- a/seahub/urls.py
+++ b/seahub/urls.py
@@ -28,7 +28,7 @@ from seahub.api2.endpoints.group_libraries import GroupLibraries, GroupLibrary
 from seahub.api2.endpoints.group_owned_libraries import GroupOwnedLibraries, \
         GroupOwnedLibrary, GroupOwnedLibraryUserFolderPermission, \
         GroupOwnedLibraryGroupFolderPermission, GroupOwnedLibraryUserShare, \
-        GroupOwnedLibraryGroupShare
+        GroupOwnedLibraryGroupShare, GroupOwnedLibraryUserShareInLibrary
 from seahub.api2.endpoints.address_book.groups import AddressBookGroupsSubGroups
 from seahub.api2.endpoints.address_book.members import AddressBookGroupsSearchMember
 
@@ -238,6 +238,7 @@ urlpatterns = [
     url(r'^api/v2.1/group-owned-libraries/(?P<repo_id>[-0-9a-f]{36})/group-folder-permission/$', GroupOwnedLibraryGroupFolderPermission.as_view(), name='api-v2.1-group-owned-library-group-folder-permission'),
     url(r'^api/v2.1/group-owned-libraries/(?P<repo_id>[-0-9a-f]{36})/user-share/$', GroupOwnedLibraryUserShare.as_view(), name='api-v2.1-group-owned-library-user-share'),
     url(r'^api/v2.1/group-owned-libraries/(?P<repo_id>[-0-9a-f]{36})/group-share/$', GroupOwnedLibraryGroupShare.as_view(), name='api-v2.1-group-owned-library-group-share'),
+    url(r'^api/v2.1/group-owned-libraries/user-share-in-libraries/(?P<repo_id>[-0-9-a-f]{36})/$', GroupOwnedLibraryUserShareInLibrary.as_view(), name='api-v2.1-group-owned-library-user-share-in-library'),
 
     ## user::shared-folders
     url(r'^api/v2.1/shared-folders/$', SharedFolders.as_view(), name='api-v2.1-shared-folders'),