fix: business.object_id maybe null, missing parameters when plate-Order cloned

printing/models.py

@@ -107,6 +107,14 @@ class PlateOrder(ModelBase):
     
     # 流程管理
     process = models.IntegerField(default=settings.PLATE_ORDER_DEFAULT_PROCESS_ID, verbose_name='关联流程')
+    created_by = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True,
+        related_name='created_plate_orders',
+        verbose_name='创建人',
+    )
     business_object = models.OneToOneField(
         stateflow_models.BusinessObject,
         on_delete=models.SET_NULL,