diff --git a/group/templates/group/group_info.html b/group/templates/group/group_info.html
index c6936d2bb4..daf324afb7 100644
--- a/group/templates/group/group_info.html
+++ b/group/templates/group/group_info.html
@@ -3,19 +3,19 @@
 
 {% block nav_group_class %}class="cur"{% endblock %}
 {% block left_panel %}
-<ul>
-    <li>管理员</li>
+    <h3>管理员</h3>
     {% for member in members %}
     {% if member.props.is_staff == 1 %}
-    <p><a href="{{ SITE_ROOT }}useradmin/info/{{ member.props.user_name }}/">{{ member.props.user_name }}</a></p>
+    <p>{{ member.props.user_name }}</p>
     {% endif %}
     {% endfor %}
-    <li>成员</li>
+    <h3>成员</h3>
     {% for member in members %}
     {% if member.props.is_staff == 0 %}
-    <p><a href="{{ SITE_ROOT }}useradmin/info/{{ member.props.user_name }}/">{{ member.props.user_name }}</a></p>
+    <p>{{ member.props.user_name }}</p>
     {% endif %}
     {% endfor %}
+<ul>
     <li>操作</li>
     {% if is_creator %}
     <p><a id="add-member" href="#">添加成员</a></p>
diff --git a/group/views.py b/group/views.py
index f180b02f46..160af0220a 100644
--- a/group/views.py
+++ b/group/views.py
@@ -45,7 +45,7 @@ def group_remove(request):
     try:
         group_id_int = int(group_id)
     except ValueError:
-        group_id_int = -1
+        return HttpResponseRedirect(reverse('group_list', args=[]))
 
     try:
         ccnet_rpc.remove_group(group_id_int, request.user.username)
@@ -128,7 +128,7 @@ def group_remove_member(request):
             try:
                 group_id_int = int(group_id)
             except ValueError:
-                raise Http404
+                return go_error(request, u'group id 不是有效参数')
             try:
                 ccnet_rpc.group_remove_member(group_id_int, request.user.username,
                                               member_name)
@@ -144,8 +144,8 @@ def group_quit(request):
     try:
         group_id_int = int(group_id)
     except ValueError:
-        raise Http404
-
+        return go_error(request, u'group id 不是有效参数')
+    
     try:
         ccnet_rpc.quit_group(group_id_int, request.user.username)
         seafserv_threaded_rpc.remove_repo_group(group_id_int, request.user.username)
@@ -153,3 +153,52 @@ def group_quit(request):
         return go_error(request, e.msg)
         
     return HttpResponseRedirect(reverse('group_list', args=[]))
+
+def group_share_repo(request, repo_id, group_id, from_email):
+    """
+    share a repo to a group
+    
+    """
+    # check whether group exists
+    group = ccnet_rpc.get_group(group_id)
+    if not group:
+        return go_error(request, u'共享失败:小组不存在')
+    
+    # check whether user belong to the group
+    joined = False
+    groups = ccnet_rpc.get_groups(request.user.username)
+    for group in groups:
+        if group.props.id == group_id:
+            joined = True
+    if not joined:
+        return go_error(request, u'共享失败:未加入该小组')
+    
+    if seafserv_threaded_rpc.group_share_repo(repo_id, group_id, from_email) != 0:
+        return go_error(request, u'共享失败:内部错误')
+
+def group_unshare_repo(request, repo_id, group_id, from_email):
+    """
+    unshare a repo to a group
+    
+    """
+    # check whether group exists
+    group = ccnet_rpc.get_group(group_id)
+    if not group:
+        return go_error(request, u'共享失败:小组不存在')
+    
+    # check whether user belong to the group
+    joined = False
+    groups = ccnet_rpc.get_groups(from_email)
+    for group in groups:
+        if group.props.id == group_id:
+            joined = True
+    if not joined:
+        return go_error(request, u'共享失败:未加入该小组')
+
+    # check whether user is group staff or the one share the repo
+    if not ccnet_rpc.check_group_staff(group_id, from_email) and \
+            seafserv_threaded_rpc.get_group_repo_share_from(repo_id) != from_email:
+        return go_permission_error(request, u'取消共享失败:只有小组管理员或共享目录发布者有权取消共享')
+        
+    if seafserv_threaded_rpc.group_unshare_repo(repo_id, group_id, from_email) != 0:
+        return go_error(request, u'共享失败:内部错误')
diff --git a/templates/myhome.html b/templates/myhome.html
index 9b00b7dd85..f5243a5770 100644
--- a/templates/myhome.html
+++ b/templates/myhome.html
@@ -5,7 +5,7 @@
 <h3>已用空间</h3>
 <p>{{ quota_usage|filesizeformat }} / 2 GB</p>
 
-<h3>我创建的小组</h3>
+<h3>我管理的小组</h3>
 {% if groups %}
 {% for group in groups %}
 {% if group.my_create %}
diff --git a/views.py b/views.py
index 23a8297500..71126baca4 100644
--- a/views.py
+++ b/views.py
@@ -31,56 +31,6 @@ from utils import go_permission_error, go_error, list_to_string, get_httpserver_
 import stat
 import settings
     
-
-def group_share_repo(request, repo_id, group_id, from_email):
-    """
-    share a repo to a group
-    
-    """
-    # check whether group exists
-    group = ccnet_rpc.get_group(group_id)
-    if not group:
-        return go_error(request, u'共享失败:小组不存在')
-    
-    # check whether user belong to the group
-    joined = False
-    groups = ccnet_rpc.get_groups(request.user.username)
-    for group in groups:
-        if group.props.id == group_id:
-            joined = True
-    if not joined:
-        return go_error(request, u'共享失败:未加入该小组')
-    
-    if seafserv_threaded_rpc.group_share_repo(repo_id, group_id, from_email) != 0:
-        return go_error(request, u'共享失败:内部错误')
-
-def group_unshare_repo(request, repo_id, group_id, from_email):
-    """
-    unshare a repo to a group
-    
-    """
-    # check whether group exists
-    group = ccnet_rpc.get_group(group_id)
-    if not group:
-        return go_error(request, u'共享失败:小组不存在')
-    
-    # check whether user belong to the group
-    joined = False
-    groups = ccnet_rpc.get_groups(from_email)
-    for group in groups:
-        if group.props.id == group_id:
-            joined = True
-    if not joined:
-        return go_error(request, u'共享失败:未加入该小组')
-
-    # check whether user is group staff or the one share the repo
-    if not ccnet_rpc.check_group_staff(group_id, from_email) and \
-            seafserv_threaded_rpc.get_group_repo_share_from(repo_id) != from_email:
-        return go_permission_error(request, u'取消共享失败:只有小组管理员或共享目录发布者有权取消共享')
-        
-    if seafserv_threaded_rpc.group_unshare_repo(repo_id, group_id, from_email) != 0:
-        return go_error(request, u'共享失败:内部错误')
-    
 @login_required
 def root(request):
     return HttpResponseRedirect(reverse(myhome))
@@ -131,12 +81,20 @@ def check_shared_repo(request, repo_id):
 
     return False
 
-def validate_emailuser(email):
-    # check whether emailuser is in the database
-    if ccnet_rpc.get_emailuser(email) != None:
+def validate_emailuser(emailuser):
+    """
+    check whether emailuser is in the database
+
+    """
+    try:
+        user = ccnet_rpc.get_emailuser(emailuser)
+    except:
+        user = None
+        
+    if user:
         return True
-    
-    return False
+    else:
+        return False
 
 def repo(request, repo_id):
     # get repo web access property, if no repo access property in db, then
@@ -428,6 +386,7 @@ def repo_add_share(request):
                     for group in groups:
                         if group.props.group_name == group_name and \
                                 group_creator.find(group.props.creator_name) >= 0:
+                            from seahub.group.views import group_share_repo
                             group_share_repo(request, repo_id, int(group.props.id), from_email)
                             find = True
                             info_emails.append(group_name)
@@ -503,13 +462,9 @@ def repo_download(request):
 @login_required
 def repo_remove_share(request):
     repo_id = request.GET.get('repo_id', '')
-    if not validate_owner(request, repo_id):
-        return go_permission_error(request, u'取消共享失败：不是目录拥有者')
-    
-    from_email = request.user.username
-
     group_id = request.GET.get('gid')
-
+    from_email = request.user.username
+    
     # if request params don't have 'gid', then remove repos that share to
     # to other person; else, remove repos that share to groups
     if not group_id:
@@ -519,8 +474,9 @@ def repo_remove_share(request):
         try:
             group_id_int = int(group_id)
         except:
-            return HttpResponseRedirect(request.META['HTTP_REFERER'])
+            return go_error(request, u'group id 不是有效参数')
         
+        from seahub.group.views import group_unshare_repo
         group_unshare_repo(request, repo_id, group_id_int, from_email)
         
     return HttpResponseRedirect(request.META['HTTP_REFERER'])        
@@ -702,3 +658,4 @@ def back_local(request):
     redirect_url = '%s/home/' % ccnet_applt_root
 
     return HttpResponseRedirect(redirect_url)
+