diff --git a/ZR.Service/mes/qc/backend/QcBackEndService.cs b/ZR.Service/mes/qc/backend/QcBackEndService.cs
index 9f0844dd..c0eb3cd3 100644
--- a/ZR.Service/mes/qc/backend/QcBackEndService.cs
+++ b/ZR.Service/mes/qc/backend/QcBackEndService.cs
@@ -1126,7 +1126,7 @@ namespace ZR.Service.Business
                     Path = path,
                     SiteNo = "1站点",
                     Name = "后道外箱标签打印",
-                    PartNumber = newLabelScran.PartNumber,
+                    PartNumber = processedPartnumber,
                     Description = material.Description ?? "",
                     Color = material.Color ?? "",
                     Specification = material.Specification ?? "",