diff --git a/admin.net.pro/Admin.NET/Vistar.Application/Entity/Obj118.cs b/admin.net.pro/Admin.NET/Vistar.Application/Entity/Obj118.cs
index ba884bf..759469f 100644
--- a/admin.net.pro/Admin.NET/Vistar.Application/Entity/Obj118.cs
+++ b/admin.net.pro/Admin.NET/Vistar.Application/Entity/Obj118.cs
@@ -300,4 +300,35 @@ public class Obj118
     /// </summary>
     [SugarColumn(ColumnName = "fld006578", ColumnDescription = "", Length = -1)]
     public string? fld006578 { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    [SugarColumn(ColumnName = "fld006778", ColumnDescription = "", Length = -1)]
+    public string? fld006778 { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    [SugarColumn(ColumnName = "fld006310", ColumnDescription = "", Length = -1)]
+    public int? fld006310 { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    [SugarColumn(ColumnName = "fld006310_Rec", ColumnDescription = "", Length = -1)]
+    public string? fld006310_Rec { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    [SugarColumn(ColumnName = "fld006780", ColumnDescription = "", Length = -1)]
+    public DateTime? fld006780 { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    [SugarColumn(ColumnName = "fld006779", ColumnDescription = "", Length = -1)]
+    public string? fld006779 { get; set; }
+
 }
diff --git a/admin.net.pro/Admin.NET/Vistar.Application/Service/OaOpenInterface/Dto/OaUploadFileInput.cs b/admin.net.pro/Admin.NET/Vistar.Application/Service/OaOpenInterface/Dto/OaUploadFileInput.cs
new file mode 100644
index 0000000..df2e27a
--- /dev/null
+++ b/admin.net.pro/Admin.NET/Vistar.Application/Service/OaOpenInterface/Dto/OaUploadFileInput.cs
@@ -0,0 +1,20 @@
+// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
+//
+// 本项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
+//
+// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Vistar.Application.Service.OaOpenInterface.Dto;
+public  class OaUploadFileInput
+{
+    public string num { get; set; }
+    public string filename { get; set; }
+    public string filesize { get; set; }
+    public string base64 { get; set; }
+}
diff --git a/admin.net.pro/Admin.NET/Vistar.Application/Service/OaOpenInterface/Dto/OaUploadFileOutput.cs b/admin.net.pro/Admin.NET/Vistar.Application/Service/OaOpenInterface/Dto/OaUploadFileOutput.cs
new file mode 100644
index 0000000..f2b8d93
--- /dev/null
+++ b/admin.net.pro/Admin.NET/Vistar.Application/Service/OaOpenInterface/Dto/OaUploadFileOutput.cs
@@ -0,0 +1,19 @@
+// Admin.NET 项目的版权、商标、专利和其他相关权利均受相应法律法规的保护。使用本项目应遵守相关法律法规和许可证的要求。
+//
+// 本项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
+//
+// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Vistar.Application.Service.OaOpenInterface.Dto;
+public class OaUploadFileOutput
+{
+    public string success { get; set; }
+    public string message { get; set; }
+    public string data { get; set; }
+}
diff --git a/admin.net.pro/Admin.NET/Vistar.Application/Service/OaOpenInterface/OaOpenInterfaceService.cs b/admin.net.pro/Admin.NET/Vistar.Application/Service/OaOpenInterface/OaOpenInterfaceService.cs
index 529a719..3ecc33f 100644
--- a/admin.net.pro/Admin.NET/Vistar.Application/Service/OaOpenInterface/OaOpenInterfaceService.cs
+++ b/admin.net.pro/Admin.NET/Vistar.Application/Service/OaOpenInterface/OaOpenInterfaceService.cs
@@ -8,12 +8,15 @@ using Admin.NET.Core;
 using AngleSharp.Io;
 using COSXML.Network;
 using DocumentFormat.OpenXml.Drawing.Charts;
+using DocumentFormat.OpenXml.Spreadsheet;
+using DocumentFormat.OpenXml.Vml;
 using Furion.DependencyInjection;
 using Furion.DynamicApiController;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using NewLife.Xml;
+using Newtonsoft.Json;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -24,6 +27,8 @@ using Vistar.Application.Const;
 using Vistar.Application.Entity;
 using Vistar.Application.Service.OaOpenInterface.Dto;
 using Vistar.Application.SolidWorksManageService.Dto;
+using Field = Vistar.Application.SolidWorksManageService.Dto.Field;
+using HttpClient = System.Net.Http.HttpClient;
 
 namespace Vistar.Application.Service.OaOpenInterface;
 /// <summary>
@@ -38,6 +43,7 @@ public class OaOpenInterfaceService : IDynamicApiController, ITransient
     public SqlSugarRepository<ObjectFieldsGroups> _objectFieldsGroupsRep;
     public SqlSugarRepository<FieldGroupDefault> _fieldGroupDefaultRep;
     public SqlSugarRepository<Obj81> _obj81Rep;
+    public SqlSugarRepository<Obj118> _obj118Rep;
 
     public OaOpenInterfaceService(
         SqlSugarRepository<Obj109> obj109Rep,
@@ -45,8 +51,9 @@ public class OaOpenInterfaceService : IDynamicApiController, ITransient
         SqlSugarRepository<Obj81> obj81Rep,
         SolidWorksManageService.SolidWorksManageService solidWorksManageService,
         SqlSugarRepository<ObjectFieldsGroups> objectFieldsGroupsRep,
-        SqlSugarRepository<FieldGroupDefault> fieldGroupDefaultRep
-        
+        SqlSugarRepository<FieldGroupDefault> fieldGroupDefaultRep,
+        SqlSugarRepository<Obj118> obj118Rep
+
         )
     {
         _obj109Rep = obj109Rep;
@@ -55,6 +62,7 @@ public class OaOpenInterfaceService : IDynamicApiController, ITransient
         _objectFieldsGroupsRep = objectFieldsGroupsRep;
         _fieldGroupDefaultRep = fieldGroupDefaultRep;
         _obj81Rep= obj81Rep;
+        _obj118Rep= obj118Rep;
     }
 
     /// <summary>
@@ -422,4 +430,90 @@ public class OaOpenInterfaceService : IDynamicApiController, ITransient
         }
         return response;
     }
+    /// <summary>
+    /// ecn同步文件
+    /// </summary>
+    /// <returns></returns>
+    [ApiDescriptionSettings(Name = "SyncEcnAttach"), HttpGet]
+    [DisplayName("ecn同步文件")]
+    [AllowAnonymous]
+    public async Task<List<OaUploadFileOutput>> SyncEcnAttach()
+    {
+        var data=await _obj118Rep.AsQueryable().Where(x=>x.deleted==false&&x.fld006778=="A"&&x._System_CurrentStage=="结束"&&!string.IsNullOrEmpty(x.fld006310_Rec)).ToListAsync();
+
+        var groupedData = data.GroupBy(item => item.RecordGuid)
+         .Select(group => group.OrderByDescending(item => item.idRecord).First())
+         .ToList();
+        var output = new List<OaUploadFileOutput>();
+        foreach (var item in groupedData)
+        {
+            var id = item.idRecord;
+            var input = new ExportRelatedFilesInput
+            {
+                record_id=id,
+                object_id=118
+            };
+            var manageOutput= await _solidWorksManageService.ExportRelatedFiles(input);
+            if (manageOutput.State=="成功")
+            {
+               var problemReport= await _obj140Rep.AsQueryable().Where(x=>x.RecordGuid==item.fld006310_Rec&&x.deleted==false).FirstAsync();
+                if (problemReport != null) 
+                {
+                    var oaUploadFileOutput = await OaUploadFile(problemReport._System_objNBS, manageOutput);
+                    output.Add(oaUploadFileOutput);
+                    await _obj118Rep.AsUpdateable().SetColumns(it => new Obj118
+                    {
+                        fld006778="N",
+                        fld006780=DateTime.Now,
+                        fld006779= oaUploadFileOutput.message
+                    })
+                    .Where(it => it.idRecord == id)
+                    .ExecuteCommandAsync();
+                }
+            }
+        }
+        return output;
+    }
+
+    /// <summary>
+    /// oa上传文件接口
+    /// </summary>
+    /// <param name="problemNum"></param>
+    /// <param name="input"></param>
+    /// <returns></returns>
+    public async Task<OaUploadFileOutput> OaUploadFile(string problemNum, ExportRelatedFilesOutput input)
+    {
+        string url = "http://223.113.253.60:8000/papi/secondev/workflow/uploadFileByReportNo";
+        // 构建请求参数字典
+        var requestData = new
+        {
+            num = problemNum,
+            filename=input.FileName,
+            filesize="",
+            base64 = input.FileBate
+        };
+        var output = new OaUploadFileOutput();
+        using (HttpClient client = new HttpClient())
+        {
+            try
+            {
+                // 将对象序列化为JSON字符串
+                string json = JsonConvert.SerializeObject(requestData);
+                // 创建HttpContent，设置为JSON格式的内容
+                HttpContent content = new StringContent(json, Encoding.UTF8, "application/json");
+                HttpResponseMessage response = await client.PostAsync(url,content);
+                if (response.IsSuccessStatusCode)
+                {
+                    string contentOutput = await response.Content.ReadAsStringAsync();
+                    output = JsonConvert.DeserializeObject<OaUploadFileOutput>(contentOutput);
+                    return output;
+                }
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e.Message);
+            }
+        }
+        return output;
+    }
 }