diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index 6ccbf7eb..e914e925 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -539,6 +539,8 @@ class MlogbInSerializer(CustomModelSerializer):
         if mtask and mtask.state != Mtask.MTASK_ASSGINED:
             raise ValidationError('该任务非下达中不可选择')
         wm_in: WMaterial = attrs['wm_in']
+        if wm_in is None:
+            raise ParseError("请选择相应车间库存!")
         if wm_in.state in [WMaterial.WM_OK, WMaterial.WM_REPAIR]:
             pass
         else: