托盘绑定工单，托盘生成二维码

sf_base/models/sf_common.py

@@ -72,9 +72,9 @@ class Tray(models.Model):
     _name = 'sf.tray'
     _description = '托盘'
 
-    code = fields.Char('编码')
+    code = fields.Char('编码',copy=False)
     name = fields.Char('名称')
     state = fields.Selection(
         [("空闲", "空闲"), ("占用", "占用"), ("报损", "报损")],
-        default=" ", string="状态")
+        default="空闲", string="状态")
     active = fields.Boolean('有效', default=True)