apps/wpmw/models.py

@@ -93,8 +93,7 @@ class Wpr(BaseModel):
         if old_wm and ins.wm != old_wm:
             raise ParseError(f"请检查-{ins.number}-所属车间批次")
 
-        if wpr_from:
-            ins.wpr_from = wpr_from
+        ins.wpr_from = wpr_from
         ins.mb = mb
         if mb:
             ins.material = mb.material