diff --git a/src/WMS.Web.Domain/Entitys/Box.cs b/src/WMS.Web.Domain/Entitys/Box.cs
index 587e1efe..0354cffb 100644
--- a/src/WMS.Web.Domain/Entitys/Box.cs
+++ b/src/WMS.Web.Domain/Entitys/Box.cs
@@ -203,7 +203,7 @@ namespace WMS.Web.Domain.Entitys
                 var md = this.Details.FirstOrDefault(w => w.MaterialNumber == d.MaterialNumber);
                 if (md == null)
                     this.Details.Add(new BoxDetails() { MaterialNumber = d.MaterialNumber, Qty = d.Qty });
-                //else//alter by yzh 
+                //else//alter by yzh  
                 //    md.Qty = d.Qty;
             }