diff --git a/apps/assets/templates/assets/asset_list.html b/apps/assets/templates/assets/asset_list.html
index 970f21555..a2b1c306c 100644
--- a/apps/assets/templates/assets/asset_list.html
+++ b/apps/assets/templates/assets/asset_list.html
@@ -84,6 +84,7 @@
 {% endblock %}
 
 {% block custom_foot_js %}
+<script src="{% static 'js/jquery.form.min.js' %}"></script>
 <script type="text/javascript">
     window.onload = function (){
         var tag_on = document.getElementsByName("tag_on");
@@ -159,24 +160,24 @@
         });
 
         $('#btn_asset_import').click(function() {
-        var $form = $('#fm_asset_import');
-        $form.find('.help-block').remove();
-        function success (data) {
-            if (data.valid === false) {
-                $('<span />', {class: 'help-block text-danger'}).html(data.msg).insertAfter($('#id_users'));
-            } else {
-                $('#id_created').html(data.created_info);
-                $('#id_created_detail').html(data.created.join(', '));
-                $('#id_updated').html(data.updated_info);
-                $('#id_updated_detail').html(data.updated.join(', '));
-                $('#id_failed').html(data.failed_info);
-                $('#id_failed_detail').html(data.failed.join(', '));
-                var $data_table = $('#asset_list_table').DataTable();
-                $data_table.ajax.reload();
+            var $form = $('#fm_asset_import');
+            $form.find('.help-block').remove();
+            function success (data) {
+                if (data.valid === false) {
+                    $('<span />', {class: 'help-block text-danger'}).html(data.msg).insertAfter($('#id_assets'));
+                } else {
+                    $('#id_created').html(data.created_info);
+                    $('#id_created_detail').html(data.created.join(', '));
+                    $('#id_updated').html(data.updated_info);
+                    $('#id_updated_detail').html(data.updated.join(', '));
+                    $('#id_failed').html(data.failed_info);
+                    $('#id_failed_detail').html(data.failed.join(', '));
+                    var $data_table = $('#asset_list_table').DataTable();
+                    $data_table.ajax.reload();
+                }
             }
-        }
-        $form.ajaxSubmit({success: success});
-    })
+            $form.ajaxSubmit({success: success});
+        })
 
     });
 </script>
diff --git a/apps/assets/views.py b/apps/assets/views.py
index 5f70c0ef5..7070d78bf 100644
--- a/apps/assets/views.py
+++ b/apps/assets/views.py
@@ -772,7 +772,7 @@ class BulkImportAssetView(AdminUserRequiredMixin, JSONResponseMixin, FormView):
                       'cabinet_pos', 'number', 'status', 'type', 'env', 'sn', 'comment']
         header_min = ['hostname', 'ip', 'port', 'admin_user', 'comment']
         header = [col.value for col in next(rows)]
-        if header not in header_all and header_min not in header:
+        if not set(header).issubset(set(header_all)) and not set(header).issuperset(set(header_min)):
             data = {'valid': False, 'msg': 'Must be same format as template or export file'}
             return self.render_json_response(data)
 
@@ -790,12 +790,12 @@ class BulkImportAssetView(AdminUserRequiredMixin, JSONResponseMixin, FormView):
                 asset_dict['idc'] = idc
 
             if asset_dict.get('type'):
-                asset_display_type_map = dict(zip(dict(Asset.TYPE_CHOICES).values, dict(Asset.TYPE_CHOICES).keys()))
+                asset_display_type_map = dict(zip(dict(Asset.TYPE_CHOICES).values(), dict(Asset.TYPE_CHOICES).keys()))
                 asset_type = asset_display_type_map.get(asset_dict['type'], 'Server')
                 asset_dict['type'] = asset_type
 
             if asset_dict.get('status'):
-                asset_display_status_map = dict(zip(dict(Asset.STATUS_CHOICES).values,
+                asset_display_status_map = dict(zip(dict(Asset.STATUS_CHOICES).values(),
                                                     dict(Asset.STATUS_CHOICES).keys()))
                 asset_status = asset_display_status_map.get(asset_dict['status'], 'In use')
                 asset_dict['status'] = asset_status
diff --git a/apps/terminal/serializers.py b/apps/terminal/serializers.py
index 2903fa896..60b5c6c26 100644
--- a/apps/terminal/serializers.py
+++ b/apps/terminal/serializers.py
@@ -24,10 +24,10 @@ class TerminalSerializer(serializers.ModelSerializer):
     @staticmethod
     def get_is_alive(obj):
         log = obj.terminalheatbeat_set.last()
-        if timezone.now() - log.date_created > timezone.timedelta(seconds=600):
-            return False
-        else:
+        if log and timezone.now() - log.date_created < timezone.timedelta(seconds=600):
             return True
+        else:
+            return False
 
 
 class TerminalHeatbeatSerializer(serializers.ModelSerializer):