diff --git a/sf_demand_plan/wizard/sf_demand_plan_print_wizard_view.xml b/sf_demand_plan/wizard/sf_demand_plan_print_wizard_view.xml
index 2308538f..3b4a635d 100644
--- a/sf_demand_plan/wizard/sf_demand_plan_print_wizard_view.xml
+++ b/sf_demand_plan/wizard/sf_demand_plan_print_wizard_view.xml
@@ -4,12 +4,12 @@
         <field name="name">sf.demand.plan.print.wizard.tree</field>
         <field name="model">sf.demand.plan.print.wizard</field>
         <field name="arch" type="xml">
-            <tree string="打印" class="print_demand"  js_class="print_demand" >
+            <tree string="打印" class="print_demand" js_class="print_demand">
                 <field name="model_id"/>
                 <field name="filename_url"/>
                 <field name="type"/>
-                <field name="machining_drawings"  attrs="{'column_invisible': True }"/>
-                <field name="cnc_worksheet" attrs="{'column_invisible': True }" />
+                <field name="machining_drawings" attrs="{'column_invisible': True }"/>
+                <field name="cnc_worksheet" attrs="{'column_invisible': True }"/>
                 <field name="status"/>
             </tree>
         </field>