diff --git a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/step/MesPackageNoGenerateStepService.java b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/step/MesPackageNoGenerateStepService.java
index e2b47f6..d883f71 100644
--- a/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/step/MesPackageNoGenerateStepService.java
+++ b/modules/i3plus-ext-mes-pcn-apiservice/src/main/java/cn/estsh/i3plus/ext/mes/pcn/apiservice/serviceimpl/step/MesPackageNoGenerateStepService.java
@@ -325,8 +325,8 @@ public class MesPackageNoGenerateStepService extends BaseStepService implements
                 productSnList2Remain = productSnList;
             } else {
                 //根据需要的个数进行截取条码
-                productSnList2Cur = (LinkedList<String>) productSnList.subList(0, needQty);
-                productSnList2Remain = (LinkedList<String>) productSnList.subList(needQty, productSnList.size());
+                productSnList2Cur = new LinkedList<>(productSnList.subList(0, needQty));
+                productSnList2Remain = new LinkedList<>(productSnList.subList(needQty, productSnList.size()));
             }
         }