diff --git a/apps/assets/templates/assets/asset_create.html b/apps/assets/templates/assets/asset_create.html
index ac0e4d744..f96f1b0fb 100644
--- a/apps/assets/templates/assets/asset_create.html
+++ b/apps/assets/templates/assets/asset_create.html
@@ -47,12 +47,9 @@
 {% block custom_foot_js %}
     <script>
         $(document).ready(function () {
-            $('.select2').select2();
-{#            $("#id_tags").select2({#}
-{#                tags: true,#}
-{#                maximumSelectionLength: 8  //最多能够选择的个数#}
-{#                //closeOnSelect: false#}
-{#            });#}
+            $('.select2').select2({
+                allowClear: true
+            });
         })
     </script>
 {% endblock %}
\ No newline at end of file
diff --git a/apps/assets/templates/assets/asset_list.html b/apps/assets/templates/assets/asset_list.html
index fc1cc5428..6bab2f5e3 100644
--- a/apps/assets/templates/assets/asset_list.html
+++ b/apps/assets/templates/assets/asset_list.html
@@ -35,7 +35,7 @@
             <th class="text-center">{% trans 'Env' %}</th>
             <th class="text-center">{% trans 'Hardware' %}</th>
             <th class="text-center">{% trans 'Active' %}</th>
-            <th class="text-center">{% trans 'Connective' %}</th>
+            <th class="text-center">{% trans 'Reachable' %}</th>
             <th class="text-center">{% trans 'Action' %}</th>
         </tr>
     </thead>
diff --git a/apps/common/templatetags/common_tags.py b/apps/common/templatetags/common_tags.py
index 2928726f4..9c3e58871 100644
--- a/apps/common/templatetags/common_tags.py
+++ b/apps/common/templatetags/common_tags.py
@@ -2,6 +2,7 @@
 
 from django import template
 from django.utils import timezone
+from django.utils.translation import gettext as _
 from django.utils.html import escape
 
 register = template.Library()
@@ -67,3 +68,18 @@ def ts_to_date(ts):
 @register.filter
 def to_html(s):
     return escape(s).replace('\n', '<br />')
+
+
+@register.filter
+def time_util_with_seconds(date_from, date_to):
+    if date_from and date_to:
+        delta = date_to - date_from
+        seconds = delta.seconds
+        if seconds < 60:
+            return '{} s'.format(seconds)
+        elif seconds < 60*60:
+            return '{} m'.format(seconds//60)
+        else:
+            return '{} h'.format(seconds//3600)
+    else:
+        return ''
diff --git a/apps/perms/forms.py b/apps/perms/forms.py
index 87c6d2eff..fbb0c8226 100644
--- a/apps/perms/forms.py
+++ b/apps/perms/forms.py
@@ -14,7 +14,8 @@ class AssetPermissionForm(forms.ModelForm):
         queryset=User.objects.exclude(role=User.ROLE_APP),
         widget=forms.SelectMultiple(
             attrs={'class': 'select2', 'data-placeholder': _('Select users')},
-        )
+        ),
+        label=_("User")
     )
 
     class Meta:
diff --git a/apps/perms/templates/perms/asset_permission_create_update.html b/apps/perms/templates/perms/asset_permission_create_update.html
index 86a11ba62..85883a77b 100644
--- a/apps/perms/templates/perms/asset_permission_create_update.html
+++ b/apps/perms/templates/perms/asset_permission_create_update.html
@@ -3,9 +3,9 @@
 {% load static %}
 {% load bootstrap3 %}
 {% block custom_head_css_js %}
-    <link href="{% static "css/plugins/select2/select2.min.css" %}" rel="stylesheet">
-    <script src="{% static "js/plugins/select2/select2.full.min.js" %}"></script>
-    <link href="{% static "css/plugins/datepicker/datepicker3.css" %}" rel="stylesheet">
+    <link href="{% static 'css/plugins/select2/select2.min.css' %}" rel="stylesheet">
+    <script src="{% static 'js/plugins/select2/select2.full.min.js' %}"></script>
+    <link href="{% static 'css/plugins/datepicker/datepicker3.css' %}" rel="stylesheet">
 {% endblock %}
 
 {% block content %}
diff --git a/apps/templates/_user_profile.html b/apps/templates/_user_profile.html
index bdecc00d6..a8572dfc9 100644
--- a/apps/templates/_user_profile.html
+++ b/apps/templates/_user_profile.html
@@ -37,11 +37,16 @@
 $(document).ready(function () {
 })
 .on('click', '#switch_admin', function () {
-    setCookie("IN_ADMIN_PAGE", "Yes");
-    window.location = "/"
+    setTimeout(function () {
+        setCookie("IN_ADMIN_PAGE", "Yes");
+        window.location = "/"
+    }, 100)
 })
 .on('click', '#switch_user', function () {
-    setCookie("IN_ADMIN_PAGE", "No");
-    window.location = "/"
+    setTimeout(function () {
+        console.log("Set to No");
+        setCookie("IN_ADMIN_PAGE", "No");
+        window.location = "/"
+    }, 100);
 })
 </script>
diff --git a/apps/terminal/templates/terminal/session_list.html b/apps/terminal/templates/terminal/session_list.html
index 1a2a949d9..7c7499af8 100644
--- a/apps/terminal/templates/terminal/session_list.html
+++ b/apps/terminal/templates/terminal/session_list.html
@@ -2,6 +2,7 @@
 {% load i18n %}
 {% load static %}
 {% load terminal_tags %}
+{% load common_tags %}
 {% block custom_head_css_js %}
     <link href="{% static 'css/plugins/datepicker/datepicker3.css' %}" rel="stylesheet">
     <link href="{% static "css/plugins/select2/select2.min.css" %}" rel="stylesheet">
@@ -91,7 +92,7 @@
             <td class="text-center">{{ session.id | get_session_command_amount }}</td>
 
             <td class="text-center">{{ session.date_start }}</td>
-            <td class="text-center">{{ session.date_end|timeuntil:session.date_start }}</td>
+            <td class="text-center">{{ session.date_start|time_util_with_seconds:session.date_end }}</td>
             <td>
                 {% if session.is_finished %}
                 <a onclick="window.open('/luna/replay/{{ session.id }}','luna', 'height=600, width=800, top=0, left=0, toolbar=no, menubar=no, scrollbars=no, location=no, status=no')" class="btn btn-xs btn-warning btn-replay" >{% trans "Replay" %}</a>
diff --git a/apps/users/templates/users/user_group_detail.html b/apps/users/templates/users/user_group_detail.html
index c471b5f21..f13395764 100644
--- a/apps/users/templates/users/user_group_detail.html
+++ b/apps/users/templates/users/user_group_detail.html
@@ -21,9 +21,9 @@
                             <li class="active">
                                 <a href="{% url 'users:user-group-detail' pk=user_group.id %}" class="text-center"><i class="fa fa-laptop"></i> {% trans 'User group detail' %} </a>
                             </li>
-                            <li>
-                                <a href="{% url 'users:user-group-granted-asset' pk=user_group.id %}" class="text-center"><i class="fa fa-cubes"></i> {% trans 'Asset granted' %}</a>
-                            </li>
+{#                            <li>#}
+{#                                <a href="{% url 'users:user-group-granted-asset' pk=user_group.id %}" class="text-center"><i class="fa fa-cubes"></i> {% trans 'Asset granted' %}</a>#}
+{#                            </li>#}
                             <li class="pull-right">
                                 <a class="btn btn-outline btn-default" href="{% url 'users:user-group-update' pk=user_group.id %}"><i class="fa fa-edit"></i>Update</a>
                             </li>