diff --git a/Tiobon.Core.Services/Ghre/Ghre_AttachmentServices.cs b/Tiobon.Core.Services/Ghre/Ghre_AttachmentServices.cs
index a79a4b05..889d7b17 100644
--- a/Tiobon.Core.Services/Ghre/Ghre_AttachmentServices.cs
+++ b/Tiobon.Core.Services/Ghre/Ghre_AttachmentServices.cs
@@ -32,7 +32,7 @@ public class Ghre_AttachmentServices : BaseServices<Ghre_Attachment, Ghre_Attach
                 ext = upload.fileName.Substring(dotPos + 1);
             }
             var id = SnowFlakeSingle.Instance.NextId();
-            await FileMerge(upload.id, "." + ext, id);
+            await FileMerge(upload.id, "." + ext, id, upload.masterId);
             using var _context = ContextFactory.CreateContext();
 
 
@@ -71,13 +71,13 @@ public class Ghre_AttachmentServices : BaseServices<Ghre_Attachment, Ghre_Attach
         return ServiceResult<FileUploadResult>.OprateSuccess("", null);
     }
 
-    public static async Task<object> FileMerge(string lastModified, string fileExts, long NewfileName)
+    public static async Task<object> FileMerge(string lastModified, string fileExts, long NewfileName, string masterId)
     {
         string erro = "";
         bool ok = false;
         try
         {
-            string wwwroot = $"{Directory.GetCurrentDirectory()}/wwwroot/files/upload/";
+            string wwwroot = $"{Directory.GetCurrentDirectory()}/wwwroot/files/upload/{masterId}/";
             var temporary = Path.Combine(wwwroot, lastModified);//临时文件夹
             //fileName = Request.Form["fileName"];//文件名
             string fileExt = fileExts;//获取文件后缀