diff --git a/ZR.Service/Utils/MaterialUtils.cs b/ZR.Service/Utils/MaterialUtils.cs
index e06ad114..effcf5ef 100644
--- a/ZR.Service/Utils/MaterialUtils.cs
+++ b/ZR.Service/Utils/MaterialUtils.cs
@@ -107,7 +107,7 @@ namespace ZR.Service.Utils
                 string partnumber = splitstr[5].Substring(3);
                 resultionPackageCode.PartNumner = partnumber;
                 // 解析工单号
-                string workoderidid = splitstr[3].Substring(6, 6);
+                string workoderidid = splitstr[3].Substring(6, 9);
                 resultionPackageCode.WorkoderID = workoderidid;
                 // 生产时间
                 resultionPackageCode.ProductionTime = "20" + workoderidid.Substring(0, 6);