diff --git a/seahub/templates/sysadmin/sys_useradmin.html b/seahub/templates/sysadmin/sys_useradmin.html
index cf9b0360df..671028819e 100644
--- a/seahub/templates/sysadmin/sys_useradmin.html
+++ b/seahub/templates/sysadmin/sys_useradmin.html
@@ -71,7 +71,7 @@
 $(function(){
     // check if server version is the latest one
     $.ajax({
-        url: 'http://seafile.com/ajax/check_server_version/?v=' + e('{{seafile_version}}') + '&p=' + e('{{platform}}') + '&id=' + '{{server_id}}',
+        url: 'http://seafile.com/ajax/check_server_version/?v=' + e('{{seafile_version}}') + '&p=' + e('{{platform}}') + '&id=' + '{{server_id}}' + '&pro=' + '{{pro_server}}',
         dataType: 'jsonp',
         jsonpCallback: 'xx',
         crossDomain: true,
diff --git a/seahub/utils/__init__.py b/seahub/utils/__init__.py
index ff2676e4dc..3f27b97690 100644
--- a/seahub/utils/__init__.py
+++ b/seahub/utils/__init__.py
@@ -1167,3 +1167,9 @@ def do_urlopen(url, data=None, headers=None):
     req = urllib2.Request(url, data=data, headers=headers)
     ret = urllib2.urlopen(req)
     return ret
+
+def is_pro_version():
+    if EVENTS_CONFIG_FILE:
+        return True
+    else:
+        return False
diff --git a/seahub/views/sysadmin.py b/seahub/views/sysadmin.py
index e3cb3606d1..3b9dc560f7 100644
--- a/seahub/views/sysadmin.py
+++ b/seahub/views/sysadmin.py
@@ -24,7 +24,8 @@ from seahub.base.models import UserLastLogin
 from seahub.base.decorators import sys_staff_required
 from seahub.auth.decorators import login_required, login_required_ajax
 from seahub.constants import GUEST_USER, DEFAULT_USER
-from seahub.utils import IS_EMAIL_CONFIGURED, string2list, is_valid_username
+from seahub.utils import IS_EMAIL_CONFIGURED, string2list, is_valid_username, \
+    is_pro_version
 from seahub.views import get_system_default_repo_id
 from seahub.forms import SetUserQuotaForm, AddUserForm, BatchAddUserForm
 from seahub.profile.models import Profile, DetailedProfile
@@ -218,6 +219,7 @@ def sys_user_admin(request):
 
     platform = get_platform_name()
     server_id = get_server_id()
+    pro_server = 1 if is_pro_version() else 0
 
     return render_to_response(
         'sysadmin/sys_useradmin.html', {
@@ -234,6 +236,7 @@ def sys_user_admin(request):
             'default_user': DEFAULT_USER,
             'guest_user': GUEST_USER,
             'enable_guest': ENABLE_GUEST,
+            'pro_server': pro_server,
         }, context_instance=RequestContext(request))
 
 @login_required