diff --git a/sf_manufacturing/models/mrp_workorder.py b/sf_manufacturing/models/mrp_workorder.py
index 2c136c42..3d2e17e2 100644
--- a/sf_manufacturing/models/mrp_workorder.py
+++ b/sf_manufacturing/models/mrp_workorder.py
@@ -228,14 +228,8 @@ class ResMrpWorkOrder(models.Model):
         tray = self.env['sf.tray'].search([("production_id", "=", self.production_id.id)])
         if tray:
             tray.unclamp()
-        return {
-            'name': _("工单"),
-            'view_mode': 'form',
-            'res_model': 'mrp.workorder',
-            'res_id': self.id,
-            'type': 'ir.actions.act_window',
-            'target': 'new'
-        }
+            self.tray_id = tray
+
 
         # return {
         #     'name': _('New Maintenance Request'),
diff --git a/sf_manufacturing/views/mrp_workorder_view.xml b/sf_manufacturing/views/mrp_workorder_view.xml
index 566bd643..dff52b17 100644
--- a/sf_manufacturing/views/mrp_workorder_view.xml
+++ b/sf_manufacturing/views/mrp_workorder_view.xml
@@ -11,6 +11,9 @@
             </field>
             <field name="name" position="after">
                 <field name="processing_panel"/>
+            </field>
+             <field name="state" position="after">
+                <field name="work_state"/>
             </field>
             <xpath expr="//button[@name='button_start']" position="attributes">
                 <attribute name="attrs">{'invisible': ['|', '|', '|','|', ('production_state','in', ('draft', 'done',
@@ -286,7 +289,7 @@
 
                     <div class="col-12 col-lg-6 o_setting_box">
                         <button type="object" class="oe_highlight" name="unbindtray" string="解除装夹"
-                                attrs='{"invisible": ["|",("state","!=","progress"),("user_permissions","=",False)]}'/>
+                                attrs='{"invisible": ["|","|",("tray_id","!=",False),("state","!=","progress"),("user_permissions","=",False)]}'/>
                     </div>
                     <div class="col-12 col-lg-6 o_setting_box">
                         <button type="action" class="oe_highlight" name="sf_manufacturing.label_sf_tray_code1"