diff --git a/oj/urls.py b/oj/urls.py
index 5c7171f4..3165c1a0 100644
--- a/oj/urls.py
+++ b/oj/urls.py
@@ -5,26 +5,28 @@ from django.views.generic import TemplateView
 
 from account.views import (UserLoginAPIView, UsernameCheckAPIView, UserRegisterAPIView,
                            UserChangePasswordAPIView, EmailCheckAPIView,
-                           UserAPIView, UserAdminAPIView)
+                           UserAdminAPIView, UserInfoAPIView)
 from announcement.views import AnnouncementAPIView, AnnouncementAdminAPIView
 
-from group.views import GroupAdminAPIView, GroupMemberAdminAPIView, JoinGroupAPIView, JoinGroupRequestAdminAPIView
+from group.views import (GroupAdminAPIView, GroupMemberAdminAPIView,
+                         JoinGroupAPIView, JoinGroupRequestAdminAPIView)
 
 from admin.views import AdminTemplateView
 
-from problem.views import ProblemAdminAPIView
-from problem.views import TestCaseUploadAPIView, ProblemTagAdminAPIView
+from problem.views import TestCaseUploadAPIView, ProblemTagAdminAPIView, ProblemAdminAPIView
 from submission.views import SubmissionnAPIView
 
-
 urlpatterns = [
     url(r'^install/$', "install.views.install"),
     url("^$", TemplateView.as_view(template_name="oj/index.html"), name="index_page"),
     url(r'^docs/', include('rest_framework_swagger.urls')),
     url(r'^admin/$', TemplateView.as_view(template_name="admin/admin.html"), name="admin_spa_page"),
     url(r'^login/$', TemplateView.as_view(template_name="oj/account/login.html"), name="user_login_page"),
-    url(r'^register/$', TemplateView.as_view(template_name="oj/account/register.html"), name="user_register_page"),
-    url(r'^change_password/$', TemplateView.as_view(template_name="oj/account/change_password.html"), name="user_change_password_page"),
+    url(r'^register/$', TemplateView.as_view(template_name="oj/account/register.html"),
+        name="user_register_page"),
+    url(r'^change_password/$', TemplateView.as_view(template_name="oj/account/change_password.html"),
+        name="user_change_password_page"),
+    url(r'^api/user/$', UserInfoAPIView.as_view(), name="user_info_api"),
     url(r'^api/login/$', UserLoginAPIView.as_view(), name="user_login_api"),
     url(r'^api/register/$', UserRegisterAPIView.as_view(), name="user_register_api"),
     url(r'^api/change_password/$', UserChangePasswordAPIView.as_view(), name="user_change_password_api"),
@@ -33,24 +35,27 @@ urlpatterns = [
     url(r'^api/admin/announcement/$', AnnouncementAdminAPIView.as_view(), name="announcement_admin_api"),
     url(r'^api/admin/user/$', UserAdminAPIView.as_view(), name="user_admin_api"),
     url(r'^problem/(?P<problem_id>\d+)/$', "problem.views.problem_page", name="problem_page"),
-    url(r'^announcement/(?P<announcement_id>\d+)/$', "announcement.views.announcement_page", name="announcement_page"),
-
+    url(r'^announcement/(?P<announcement_id>\d+)/$', "announcement.views.announcement_page",
+        name="announcement_page"),
     url(r'^api/announcements/$', AnnouncementAPIView.as_view(), name="announcement_list_api"),
-    url(r'^api/admin/users/$', UserAPIView.as_view(), name="user_list_api"),
-
-    url(r'^admin/contest/$', TemplateView.as_view(template_name="admin/contest/add_contest.html"), name="add_contest_page"),
-    url(r'^problems/$', TemplateView.as_view(template_name="oj/problem/problem_list.html"), name="problem_list_page"),
-    url(r'^admin/template/(?P<template_dir>\w+)/(?P<template_name>\w+).html', AdminTemplateView.as_view(), name="admin_template"),
+    url(r'^admin/contest/$', TemplateView.as_view(template_name="admin/contest/add_contest.html"),
+        name="add_contest_page"),
+    url(r'^problems/$', TemplateView.as_view(template_name="oj/problem/problem_list.html"),
+        name="problem_list_page"),
+    url(r'^admin/template/(?P<template_dir>\w+)/(?P<template_name>\w+).html', AdminTemplateView.as_view(),
+        name="admin_template"),
     url(r'^api/admin/group/$', GroupAdminAPIView.as_view(), name="group_admin_api"),
     url(r'^api/admin/group_member/$', GroupMemberAdminAPIView.as_view(), name="group_member_admin_api"),
     url(r'^api/admin/group_join/$', JoinGroupAPIView.as_view(), name="group_join_admin_api"),
     url(r'^api/admin/problem/$', ProblemAdminAPIView.as_view(), name="problem_admin_api"),
     url(r'^api/admin/test_case_upload/$', TestCaseUploadAPIView.as_view(), name="test_case_upload_api"),
     url(r'^api/admin/tag/$', ProblemTagAdminAPIView.as_view(), name="problem_tag_admin_api"),
-    url(r'^problem/(?P<problem_id>\d+)/my_solutions/', "problem.views.problem_my_solutions_list_page", name="problem_my_solutions_page"),
+    url(r'^problem/(?P<problem_id>\d+)/my_solutions/', "problem.views.problem_my_solutions_list_page",
+        name="problem_my_solutions_page"),
     url(r'^my_solution/(?P<solution_id>\d+)/$', "problem.views.my_solution", name="my_solution_page"),
 
-    url(r'^api/admin/join_group_request/$', JoinGroupRequestAdminAPIView.as_view(), name="join_group_request_admin_api"),
+    url(r'^api/admin/join_group_request/$', JoinGroupRequestAdminAPIView.as_view(),
+        name="join_group_request_admin_api"),
     url(r'^api/submission/$', SubmissionnAPIView.as_view(), name="submission_api"),
 
 ]