diff --git a/sf_manufacturing/models/tray.py b/sf_manufacturing/models/tray.py
index a572f52c..4af97865 100644
--- a/sf_manufacturing/models/tray.py
+++ b/sf_manufacturing/models/tray.py
@@ -18,42 +18,7 @@ class Tray(models.Model):
 
     @api.onchange('production_id')
     def updateTrayState(self):
-
-        if self.workorder_id != False:
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+        if self.workorder_id != False and self.create_date != False:
 
             self.state = '占用'
         else: