diff --git a/EuroTran/EasyBL.WEBAPP/ShowEasy/ONSiteMaintain_UpdService.cs b/EuroTran/EasyBL.WEBAPP/ShowEasy/ONSiteMaintain_UpdService.cs
index 9dabe41..02dcaa4 100644
--- a/EuroTran/EasyBL.WEBAPP/ShowEasy/ONSiteMaintain_UpdService.cs
+++ b/EuroTran/EasyBL.WEBAPP/ShowEasy/ONSiteMaintain_UpdService.cs
@@ -6,6 +6,7 @@ using SqlSugar;
 using SqlSugar.Base;
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 
 namespace EasyBL.WEBAPP.ShowEasy
@@ -1449,6 +1450,18 @@ namespace EasyBL.WEBAPP.ShowEasy
                             {
                                 PreviewFileModel.FileID = Guid.NewGuid().ToString();
                                 PreviewFileModel.ParentID = ServiceBaseInfoModel.PreviewFile;
+                                var sServerPath = System.Web.HttpContext.Current.Server.MapPath("/");
+                                var sFromFullPath = sServerPath + PreviewFileModel.FilePath;
+                                if (File.Exists(sFromFullPath))
+                                {
+                                    var sToFullPath = sFromFullPath.Insert(sFromFullPath.LastIndexOf(@"."), @"(1)");
+                                    if (File.Exists(sToFullPath))
+                                    {
+                                        sToFullPath = sToFullPath.Insert(sToFullPath.LastIndexOf(@"."), @"(1)");
+                                    }
+                                    Common.FnCopyFile(sFromFullPath, sToFullPath);
+                                    PreviewFileModel.FilePath = sToFullPath.Replace(sServerPath, "");
+                                }
                             }
 
                             if (lstPreviewFile.Count() > 0)
@@ -1458,11 +1471,23 @@ namespace EasyBL.WEBAPP.ShowEasy
 
                             //PreviewFile
                             var lstBannerFile = db.Queryable<OTB_SYS_Files>()
-                          .Where(x => x.OrgID == i_crm.ORIGID && x.ParentID == OldBannerFileGuid).ToList();
+                           .Where(x => x.OrgID == i_crm.ORIGID && x.ParentID == OldBannerFileGuid).ToList();
                             foreach (var BannerFileModel in lstBannerFile)
                             {
                                 BannerFileModel.FileID = Guid.NewGuid().ToString();
                                 BannerFileModel.ParentID = ServiceBaseInfoModel.BannerFile;
+                                var sServerPath = System.Web.HttpContext.Current.Server.MapPath("/");
+                                var sFromFullPath = sServerPath + BannerFileModel.FilePath;
+                                if (File.Exists(sFromFullPath))
+                                {
+                                    var sToFullPath = sFromFullPath.Insert(sFromFullPath.LastIndexOf(@"."), @"(1)");
+                                    if (File.Exists(sToFullPath))
+                                    {
+                                        sToFullPath = sToFullPath.Insert(sToFullPath.LastIndexOf(@"."), @"(1)");
+                                    }
+                                    Common.FnCopyFile(sFromFullPath, sToFullPath);
+                                    BannerFileModel.FilePath = sToFullPath.Replace(sServerPath, "");
+                                }
                             }
 
                             if (lstBannerFile.Count() > 0)