diff --git a/hb_server/apps/wpm/serializers.py b/hb_server/apps/wpm/serializers.py
index 38597bd..488ceaa 100644
--- a/hb_server/apps/wpm/serializers.py
+++ b/hb_server/apps/wpm/serializers.py
@@ -56,7 +56,7 @@ class PickSerializer(serializers.Serializer):
                     i['count'] = len(i['iproducts'])
                     isLowLevel = True
                 if i['count']>0:
-                    i.pop('iproducts')
+                    i.pop('iproducts', None)
                     i['fifo'] = fifo
                     i['is_testok'] = True # 默认检测合格
                     i['subproduction_plan'] = sp