diff --git a/templates/repo.html b/templates/repo.html
index c2c59eccc9..0fa8c78bdc 100644
--- a/templates/repo.html
+++ b/templates/repo.html
@@ -125,7 +125,10 @@
               {% if view_history %}
               <td><a href="{{ SITE_ROOT }}repo/{{ repo.id }}/?commit_id={{ current_commit.id }}&p={{ path|urlencode }}{{ dirent.obj_name|urlencode }}">{{ dirent.obj_name }}</a></td>              
               {% else %}
-              <td><a href="{{ SITE_ROOT }}repo/{{ repo.id }}/?p={{ path|urlencode }}{{ dirent.obj_name|urlencode }}">{{ dirent.obj_name }}</a></td>
+              <td>
+                  <a href="{{ SITE_ROOT }}repo/{{ repo.id }}/?p={{ path|urlencode }}{{ dirent.obj_name|urlencode }}">{{ dirent.obj_name }}</a>
+                  <a href="#" class="open-local-file" data="{{path}}{{dirent.obj_name}}">打开本地文件</a>
+              </td>
               {% endif %}
 
               <td></td>
@@ -151,7 +154,10 @@
               {% if view_history %}
               <td><a class="op" href="{{ SITE_ROOT }}repo/{{ repo.props.id }}/files/?obj_id={{ dirent.props.obj_id }}&commit_id={{ current_commit.id }}&p={{ path|urlencode }}{{ dirent.obj_name|urlencode }}">{{ dirent.props.obj_name }}</a></td>              
               {% else %}
-              <td><a class="op" href="{{ SITE_ROOT }}repo/{{ repo.props.id }}/files/?p={{ path|urlencode }}{{ dirent.obj_name|urlencode }}">{{ dirent.props.obj_name }}</a></td>
+              <td>
+                  <a class="op" href="{{ SITE_ROOT }}repo/{{ repo.props.id }}/files/?p={{ path|urlencode }}{{ dirent.obj_name|urlencode }}">{{ dirent.props.obj_name }}</a>
+                  <a href="#" class="open-local-file" data="{{path}}{{dirent.obj_name}}">打开本地文件</a>
+              </td>
               {% endif %}
 
               <td>{{ dirent.file_size|filesizeformat }}</td>
@@ -222,6 +228,18 @@
         <button class="simplemodal-close">取消</button>
     </form>
 {% endif %}
+
+    <div id="open-local-file-error-dlg" class="hide">
+        <p id="open-local-file-error" class="error">请确认本地 Seafile 程序已启动</p>
+        <buton class="simplemodal-close">关闭</button>
+    </div>
+
+    <div id="redirect-download" class="hide">
+        <p>您还没有将同步目录 {{repo.name}} 同步到本地</p>
+        <p><a id="redirect-download-url" href="">点此同步</a></p>
+        <buton class="simplemodal-close">关闭</button>
+    </div>
+    
 {% endblock %}
 
 {% block extra_script %}
@@ -411,5 +429,66 @@ $('#upload-file, #add-new-dir').hover(
 
 {% include "snippets/bottom_bar.html" %}
 {% endif %}
+
+function send_open_local_file_request(repo_id, path) {
+    var callback = 'xx';
+    url = '{{ applet_root }}/open-local-file/?repo_id=' + repo_id;
+    url += '&path=' + encodeURIComponent(path);
+    url += '&callback=' + callback;
+    $.ajax({
+        url: url,
+        dataType: 'jsonp',
+        jsonpCallback: callback,
+        crossDomain: true,
+        success: function(data) {
+            // nothing to do
+        },
+    });
+}
+
+// when user clicks 'open local file', first check whether repo exists
+// on local machine, then:
+//  - if exists, send an open requst
+//  - if not exits, redirect to repo download page
+// if local seafile client is not running, show a dialog to tell the user
+
+$('a.open-local-file').click(function () {
+    var repo_id = '{{repo.id}}';
+    var path = $(this).attr('data');
+
+    var local_applet_running = false;
+    var callback = 'xx';
+
+    url = '{{ applet_root }}/repo-query/?repo_id=' + repo_id
+    url += '&callback=' + callback;
+    $.ajax({
+        url: url,
+        dataType: 'jsonp',
+        jsonpCallback: callback,
+        crossDomain: true,
+        success: function(data) {
+            local_applet_running = true;
+
+            if (data['exists']) {
+                send_open_local_file_request(repo_id, path);
+            } else {
+                // this repo does not exist on local machine, redirect to
+                // download page
+                download_url = '{{ SITE_ROOT }}download/repo/?repo_id={{ repo.id }}';
+                $('#redirect-download-url').attr('href', download_url);
+                $('#redirect-download').modal({appendTo:'#main'});
+            }
+        },
+    });
+
+    // if jsonp response doesn't arrive in 2 seconds, we can say local client
+    // is not running yet.
+    setTimeout(function() {
+        if (!local_applet_running) {
+            $('#open-local-file-error-dlg').modal({appendTo:'#main'});
+        }
+    }, 2000);
+});
+
 </script>
 {% endblock %}
diff --git a/views.py b/views.py
index 60b9ea9f77..399f762c9b 100644
--- a/views.py
+++ b/views.py
@@ -238,6 +238,7 @@ def render_repo(request, repo_id, error=''):
             "zipped" : zipped,
             "error" : error,
             "accessible_repos" : accessible_repos,
+            "applet_root": get_ccnetapplet_root()
             }, context_instance=RequestContext(request))
 
 @login_required