fix: update_mb_item时考虑检验的存在

apps/inm/services.py

@@ -373,7 +373,10 @@ class InmService:
             ddict["material_ofrom"] = i.material
         
         if field == "count":
-            count_change = i.count - i.count_notok
+            if i.test_date is not None:
+                count_change = i.count - i.count_notok
+            else:
+                count_change = i.count
         elif field == "count_notok":
             count_change = getattr(i, field)
         else: