diff --git a/settings.py b/settings.py
index 7e63d5c7f3..38c4da91d6 100644
--- a/settings.py
+++ b/settings.py
@@ -1,7 +1,7 @@
 # Django settings for seahub project.
 import os
 
-DEBUG = True
+DEBUG = False
 TEMPLATE_DEBUG = DEBUG
 
 ADMINS = (
diff --git a/templates/repo_history.html b/templates/repo_history.html
index 5bba928527..7ffdb7a531 100644
--- a/templates/repo_history.html
+++ b/templates/repo_history.html
@@ -7,6 +7,8 @@
     <h2 class="fleft">{{repo.props.name}} 修改历史</h2>
     <button data="{{ SITE_ROOT }}repo/{{ repo.props.id }}/" class="fright" id="history-back-to-repo">返回同步目录</button>
 </div>
+
+<p class="tip">Tip：在每次修改后会生成一个镜像，记录修改后的目录状态。</p>
 <div class="commit-list-outer-container">
     <div class="commit-list-inner-container">
         <table class="commit-list">
@@ -32,18 +34,18 @@
 
                 <td>
                     {{ commit.props.desc|translate_commit_desc }}
-                    {% if not forloop.last %}
+                    {% if page_next or not forloop.last %}
                     <a class="lsch" href="{{ SITE_ROOT }}repo/history/changes/{{ repo.id }}/?commit_id={{ commit.id }}" data="{{ commit.props.ctime|tsstr_sec }}">详情</a>
                     {% endif %}
                 </td>
 
-                {% if not forloop.last %}
+
+		{% if forloop.first and current_page == 1 %}
+                <td>这是当前版本</td>
+		{% else %}
                 <td>
-                    <a href="{% url 'repo_history_view' repo.id %}?commit_id={{ commit.id }}" class="op">浏览</a>
-                    <a href="#" data="{{ SITE_ROOT }}repo/history/revert/{{ repo.id }}/?commit_id={{ commit.id }}" class="repo-revert op">还原</a>
+                    <a href="{% url 'repo_history_view' repo.id %}?commit_id={{ commit.id }}" class="op">查看镜像</a>
                 </td>
-                {% else %}
-                <td></td>
                 {% endif %}
             </tr>
             {% endfor %}
diff --git a/views.py b/views.py
index 9f80cd50c6..30b4c76714 100644
--- a/views.py
+++ b/views.py
@@ -518,11 +518,6 @@ def repo_history(request, repo_id):
     else:
         page_next = False
 
-    is_owner = False
-    if request.user.is_authenticated():
-        if validate_owner(request, repo_id):
-            is_owner = True
-
     return render_to_response('repo_history.html', {
             "repo": repo,
             "commits": commits,
@@ -531,7 +526,6 @@ def repo_history(request, repo_id):
             'next_page': current_page+1,
             'per_page': per_page,
             'page_next': page_next,
-            'is_owner': is_owner,
             }, context_instance=RequestContext(request))
 
 @login_required