diff --git a/jperm/views.py b/jperm/views.py
index 0c9ef2392..458469776 100644
--- a/jperm/views.py
+++ b/jperm/views.py
@@ -51,7 +51,7 @@ def perm_list(request):
         contacts = paginator.page(current_page)
     except (EmptyPage, InvalidPage):
         contacts = paginator.page(paginator.num_pages)
-    return render_to_response('jperm/perm_list.html', locals())
+    return render_to_response('jperm/perm_list.html', locals(), context_instance=RequestContext(request))
 
 
 def user_asset_cmd_groups_get(user_groups_select='', asset_groups_select='', cmd_groups_select=''):
diff --git a/jumpserver/templatetags/mytags.py b/jumpserver/templatetags/mytags.py
index 622e633aa..296fa8f1f 100644
--- a/jumpserver/templatetags/mytags.py
+++ b/jumpserver/templatetags/mytags.py
@@ -111,11 +111,12 @@ def filter_private(group):
 
 @register.filter(name='to_name')
 def to_name(user_id):
-    user = User.objects.filter(id=user_id)
-    if user:
-        user = user[0]
-        return user.name
-    else:
+    try:
+        user = User.objects.filter(id=int(user_id))
+        if user:
+            user = user[0]
+            return user.name
+    except:
         return '非法用户'
 
 @register.filter(name='to_role_name')
diff --git a/jumpserver/views.py b/jumpserver/views.py
index 28a00f37e..247f8af0d 100644
--- a/jumpserver/views.py
+++ b/jumpserver/views.py
@@ -50,6 +50,8 @@ def getDaysByNum(num):
     li_str.reverse()
     t = (li_date, li_str)
     return t
+
+
 def base(request):
     return render_to_response('base.html', context_instance=RequestContext(request))
 
diff --git a/templates/nav_li_profile.html b/templates/nav_li_profile.html
index c8d714e64..95e73ea12 100644
--- a/templates/nav_li_profile.html
+++ b/templates/nav_li_profile.html
@@ -1,7 +1,8 @@
 {% load mytags %}
 <li class="nav-header">
     <div class="dropdown profile-element"> <span>
-        <img alt="image" class="img-circle" width="64" height="64" src="/static/img/{{ role_id | to_avatar }}.png" />
+{#        <img alt="image" class="img-circle" width="64" height="64" src="/static/img/{{ role_id | to_avatar }}.png" />#}
+        <img alt="image" class="img-circle" src="/static/img/profile_small.jpg">
          </span>
         <a data-toggle="dropdown" class="dropdown-toggle" href="#">
         <span class="clear"> <span class="block m-t-xs"> <strong class="font-bold">{{ user_id | to_name}}</strong>