diff --git a/error.py b/error.py
index 8559d91..f8476c0 100644
--- a/error.py
+++ b/error.py
@@ -65,6 +65,18 @@ class PullRequestError(Exception):
   def __str__(self):
     return self.reason
 
+
+class ForkProjectError(Exception):
+  """ pull request to Gitee did not succeed.
+  """
+
+  def __init__(self, reason):
+    super(ForkProjectError, self).__init__()
+    self.reason = reason
+
+  def __str__(self):
+    return self.reason
+
 class GitError(Exception):
   """Unspecified internal error from git.
   """
diff --git a/project.py b/project.py
index 8d9bc84..e4307f7 100644
--- a/project.py
+++ b/project.py
@@ -36,7 +36,7 @@ from color import Coloring
 from git_command import GitCommand, git_require
 from git_config import GitConfig, IsId, GetSchemeFromUrl, GetUrlCookieFile, \
     ID_RE
-from error import GitError, HookError, UploadError, DownloadError, PullRequestError
+from error import GitError, HookError, UploadError, DownloadError, PullRequestError, ForkProjectError
 from error import ManifestInvalidRevisionError, ManifestInvalidPathError
 from error import NoManifestException
 import platform_utils
@@ -1477,7 +1477,7 @@ class Project(object):
       if not token:
         token = GitConfig.ForUser().GetString('repo.token')
         if not token:
-          raise PullRequestError('repo.token is None, Please set it before pushing, you need `repo config -h`')
+          raise ForkProjectError('repo.token is None, Please set it before pushing, you need `repo config -h`')
     gitee_url = 'https://gitee.com/api/v5/repos'
     namespace = self._GiteeNamespace(type='upload')
     post_url = '/'.join([gitee_url, namespace, self.name, 'forks'])