diff --git a/src/YhCore.Service/Impl/FileService.cs b/src/YhCore.Service/Impl/FileService.cs
index 70fd16d..f2a2f40 100644
--- a/src/YhCore.Service/Impl/FileService.cs
+++ b/src/YhCore.Service/Impl/FileService.cs
@@ -222,7 +222,7 @@ namespace YhCore.Service.Impl
 
             // 旧数据：相对路径如 /upload/docprint/20260101/{guid}.jpg（不含 FILE_PATH 前缀）→ StorageRoot + 子路径
             var relative = fileUrl.TrimStart('/');
-            const string prefix = "upload/";
+            string prefix = Config.FilePath;
             if (relative.StartsWith(prefix, StringComparison.OrdinalIgnoreCase))
                 relative = relative.Substring(prefix.Length);
 
@@ -236,7 +236,7 @@ namespace YhCore.Service.Impl
                 return Config.FilePath;
 
             // 此分支仅在 FILE_PATH 未配置时执行（此时 Config.FilePath 为 null，不可再参与拼接）
-            return Path.Combine(AppContext.BaseDirectory, "upload");
+            return Path.Combine(AppContext.BaseDirectory, Config.FilePath);
         }
     }
 }