feat: 导入物料明细时可默认批次号3

apps/inm/services_daoru.py

@@ -145,7 +145,9 @@ def daoru_mioitems(path:str, mio:MIO):
             material = Material.objects.get(number=material_number)
         except Exception as e:
             raise ParseError(f"未找到物料：{material_number} {e}")
-        if not batch and material.bin_number_main:
+        if batch:
+            pass
+        elif material.bin_number_main:
             batch = material.bin_number_main
         else:
             raise ParseError(f"第{ind}行批次为空")