diff --git a/group/templates/group/group_info.html b/group/templates/group/group_info.html
index 00dc64d7f5..17ef9b41cc 100644
--- a/group/templates/group/group_info.html
+++ b/group/templates/group/group_info.html
@@ -9,7 +9,7 @@
 <h3>管理员</h3>
 <ul>
 {% for member in managers %}
-    <li class="group-member">{% avatar member.user_name 16 %}<span class="group-member-name"><a href="{{ SITE_ROOT }}profile/{{ member.user_name }}/">{{ member.user_name|email2nickname }}</a></span></li>
+    <li class="group-member">{% avatar member.user_name 16 %}<a class="group-member-name" href="{{ SITE_ROOT }}profile/{{ member.user_name }}/">{{ member.user_name|email2nickname }}</a></li>
 {% endfor %}
 </ul>
 
@@ -17,9 +17,7 @@
 {% if common_members %}
 <ul>
     {% for member in common_members %}
-    <li class="group-member">{% avatar member.user_name 16 %}
-    <span class="group-member-name"><a href="{{ SITE_ROOT }}profile/{{ member.user_name }}/">{{ member.user_name|email2nickname }}</a></span>
-    </li>
+    <li class="group-member">{% avatar member.user_name 16 %}<a class="group-member-name" href="{{ SITE_ROOT }}profile/{{ member.user_name }}/">{{ member.user_name|email2nickname }}</a></li>
     {% endfor %}
 </ul>
 {% else %}
@@ -36,6 +34,7 @@
 {% endif %}
 </ul>
 {% endif %}
+
 </div>
 
 <div class="main fleft">
@@ -67,9 +66,52 @@
 <p>暂无</p>
 {% endif %}
 </div>
+
+<div id="user-profile" class="user-profile ovhd hide"></div>
+<textarea id="jtemplate" class="hide">
+{#if !$T.err_msg}
+<div class="pic fleft">
+    <img class="avatar" width="80" height="80" alt="{$T.email}" />
+    {#if $T.new_user}
+    <button id="add-as-contact">加为联系人</button>
+    {#/if}
+</div>
+
+<div class="txt fright">
+    {#if $T.user_nickname}
+    <p>{$T.user_nickname}</p>
+    {#/if}
+
+    <p>{$T.email}</p>
+
+    {#if $T.user_intro}
+    <p class="intro">{$T.user_intro}</p>
+    {#/if}
+</div>
+
+{#if $T.new_user}
+<form id="add-as-contact-form" class="hide" action="{{ SITE_ROOT }}contacts/add/" method="post">
+    <input type="hidden" name="user_email" value="{{ request.user.username }}" id="id_user_email" />
+    <label>邮箱：</label><br />
+    <input id="id_contact_email" type="text" name="contact_email" maxlength="255" value="{$T.email}" /><br />
+    <label>名字(可选)：</label><br />
+    <input id="id_contact_name" type="text" name="contact_name" maxlength="255" /><br />
+    <label>备注(可选)：</label><br />
+    <input id="id_note" type="text" name="note" maxlength="255" /><br />
+    <input type="submit" value="提交"  class="submit" />
+</form>
+{#/if}
+
+{#else}
+<p class="error">{$T.err_msg}</p>
+{#/if}
+
+</textarea>
+
 {% endblock %}
 
 {% block extra_script %}
+<script type="text/javascript" src="{{ MEDIA_URL }}js/jquery-jtemplates.js"></script>
 <script type="text/javascript">
     addConfirmTo($('#quit-group'), '确定要退出？');
     addConfirmTo($('.cancel-share'), '确定要取消共享该目录？');
@@ -86,5 +128,55 @@
     $('.download').click(function() {
         window.open($(this).attr('data'));
     });
+
+//show profile when  mouse over
+var Hide_profile = '';
+$('.group-member').hover(
+    function() {
+        var this_top = $(this).offset().top - $('#main').offset().top;
+        $(this).css('background', '#eee');
+        var avatar_url = $(this).children('.avatar').attr('src'),
+            avatar_url_array = avatar_url.split('/');
+        if (avatar_url_array.length > 4) {//not default avatar
+            avatar_url_array[5] = 80;//choose avatar size 
+            avatar_url = avatar_url_array.join('/');
+        }
+        $.ajax({
+            url: $(this).children('.group-member-name').attr('href') + 'get/',
+            dataType: 'json',
+            cache: false,
+            contentType: 'application/json; charset=utf-8',
+            success: function(data) {
+                $('#user-profile').setTemplateElement('jtemplate').processTemplate(data);
+                $('#user-profile .avatar').attr('src', avatar_url);
+                $('#user-profile').removeClass('hide');
+                $('#main').css('position', 'relative');
+                $('#add-as-contact').click(function() {
+                    $('#add-as-contact-form').modal({appendTo: '#main'});
+                });
+                if (this_top + $('#user-profile').height() < $('#main').height()) {
+                    $('#user-profile').css('top', this_top - 10);
+                } else {
+                    $('#user-profile').css('top', $('#main').height() - $('#user-profile').height() - 5);
+                }
+            }
+        });
+        clearTimeout(Hide_profile);
+    },
+    function() {
+        $(this).css('background', '#fff');
+        Hide_profile = setTimeout(function() { $('#user-profile').addClass('hide'); }, 3000);
+    }
+);
+
+$('#user-profile').hover(
+    function() {
+        clearTimeout(Hide_profile);
+    },
+    function() {
+        $(this).addClass('hide');
+    }
+);
+
 </script>
 {% endblock %}
diff --git a/media/css/seahub.css b/media/css/seahub.css
index dfc93a3b94..7f78620b14 100644
--- a/media/css/seahub.css
+++ b/media/css/seahub.css
@@ -395,6 +395,20 @@ h2.repo-history {
 .org-member-name {
 	vertical-align:middle;
 }
+#user-profile {
+    width:318px;
+    position:absolute;
+    left:365px;
+    top:50px;
+    z-index:10;
+    padding:15px;;
+    min-height:130px;
+    border:1px solid #ddd;
+    background:#fff;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
+    -webkit-box-shadow: 0 2px 4px rgba(0,0,0,0.2);
+    -moz-box-shadow: 0 2px 4px rgba(0,0,0,0.2);
+}
 #member-add {
     font-size:13px;
     padding-left:18px;
@@ -410,7 +424,6 @@ h2.repo-history {
 .user-profile .pic {
     width:80px;
     text-align:center;
-    margin-right:20px;
 }
 .user-profile .avatar {
     border-radius:4px;
diff --git a/profile/templates/profile/user_profile.html b/profile/templates/profile/user_profile.html
index fb2df0f64d..d18f88fae4 100644
--- a/profile/templates/profile/user_profile.html
+++ b/profile/templates/profile/user_profile.html
@@ -22,18 +22,21 @@
         <p class="intro">{{ intro }}</p>
         {% endif %}
     </div>
-
-    <form id="add-as-contact" class="hide" action="{{ SITE_ROOT }}contacts/add/" method="post">
-        <input type="hidden" name="user_email" value="{{ request.user.username }}" id="id_user_email" />
-        <label>邮箱：</label><br />
-        <input id="id_contact_email" type="text" name="contact_email" maxlength="255" value="{{ email }}" /><br />
-        <label>名字(可选)：</label><br />
-        <input id="id_contact_name" type="text" name="contact_name" maxlength="255" /><br />
-        <label>备注(可选)：</label><br />
-        <input id="id_note" type="text" name="note" maxlength="255" /><br />
-        <input type="submit" value="提交"  class="submit" />
-    </form>
 </div>
+
+{% if new_user %}
+<form id="add-as-contact" class="hide" action="{{ SITE_ROOT }}contacts/add/" method="post">
+    <input type="hidden" name="user_email" value="{{ request.user.username }}" id="id_user_email" />
+    <label>邮箱：</label><br />
+    <input id="id_contact_email" type="text" name="contact_email" maxlength="255" value="{{ email }}" /><br />
+    <label>名字(可选)：</label><br />
+    <input id="id_contact_name" type="text" name="contact_name" maxlength="255" /><br />
+    <label>备注(可选)：</label><br />
+    <input id="id_note" type="text" name="note" maxlength="255" /><br />
+    <input type="submit" value="提交"  class="submit" />
+</form>
+{% endif %}
+
 {% else %}
 <div class="text-panel">
     <p class="error">{{ err_msg }}</p>
@@ -42,9 +45,11 @@
 {% endblock %}
 
 {% block extra_script %}
+{% if new_user %}
 <script type="text/javascript">
 $('#add').click(function() {
     $('#add-as-contact').modal({appendTo: '#main'});
 });
 </script>
+{% endif %}
 {% endblock %}
diff --git a/profile/urls.py b/profile/urls.py
index 10cf44535f..4e8d42ba0a 100644
--- a/profile/urls.py
+++ b/profile/urls.py
@@ -4,5 +4,6 @@ urlpatterns = patterns('profile.views',
     url(r'^list_user/$', 'list_userids', name="list_userids"),
     url(r'^$', 'edit_profile', name="edit_profile"),
     url(r'^(?P<user>[^/]+)/$', 'user_profile', name="user_profile"),
+    url(r'^(?P<user>[^/]+)/get/$', 'get_user_profile', name="get_user_profile"),
     url(r'^logout/$', 'logout_relay', name="logout_relay"),
 )
diff --git a/profile/views.py b/profile/views.py
index b0d5a09583..cdd6bec72a 100644
--- a/profile/views.py
+++ b/profile/views.py
@@ -1,4 +1,5 @@
 # encoding: utf-8
+import simplejson as json
 from django.core.urlresolvers import reverse
 from django.http import HttpResponse, HttpResponseRedirect
 from django.shortcuts import render_to_response, get_object_or_404
@@ -103,3 +104,36 @@ def user_profile(request, user):
                                 'err_msg': err_msg,
                                   },
                               context_instance=RequestContext(request))
+
+def get_user_profile(request, user):
+    data = {
+            'email': user,
+            'user_nickname': '',
+            'user_intro': '',
+            'err_msg': '',
+            'new_user': ''
+        } 
+    content_type = 'application/json; charset=utf-8'
+    
+    try:
+        user_check = ccnet_rpc.get_emailuser(user)
+    except:
+        user_check = None
+        
+    if user_check:
+        profile = Profile.objects.filter(user=user)
+        if profile:
+            profile = profile[0]
+            data['user_nickname'] = profile.nickname
+            data['user_intro'] = profile.intro
+    else:
+        data['err_msg'] = '该用户不存在'
+
+    if user == request.user.username or \
+            Contact.objects.filter(user_email=request.user.username,
+                                   contact_email=user).count() > 0:
+        data['new_user'] = False
+    else:
+        data['new_user'] = True
+
+    return HttpResponse(json.dumps(data), content_type=content_type)