diff --git a/src/WMS.Web.Domain/Services/Public/ErpService.cs b/src/WMS.Web.Domain/Services/Public/ErpService.cs
index b050b08f..31d14ee4 100644
--- a/src/WMS.Web.Domain/Services/Public/ErpService.cs
+++ b/src/WMS.Web.Domain/Services/Public/ErpService.cs
@@ -2187,7 +2187,7 @@ namespace WMS.Web.Domain.Services.Public
                         erp_list.Add(lis);
                     }
                     else
-                        lis.Qty = lis.Qty + Convert.ToInt32(item[0]);
+                        lis.Qty = lis.Qty + Convert.ToDecimal(item[0]);
                 }
 
                 return ResultList<ErpInventoryDto>.ReSuccess(erp_list);