diff --git a/ZR.Admin.WebApi/Controllers/System/SysFileController.cs b/ZR.Admin.WebApi/Controllers/System/SysFileController.cs
index 9476742..8bd04f6 100644
--- a/ZR.Admin.WebApi/Controllers/System/SysFileController.cs
+++ b/ZR.Admin.WebApi/Controllers/System/SysFileController.cs
@@ -1,3 +1,4 @@
+using NLog;
 using SqlSugar;
 using ZR.Admin.WebApi.Filters;
 using ZR.ServiceCore.Model;
@@ -23,6 +24,8 @@ namespace ZR.Admin.WebApi.Controllers
         {
             _sysFileService = sysFileService;
         }
+        
+        private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
 
         /// <summary>
         /// 查询文件存储列表
@@ -129,5 +132,44 @@ namespace ZR.Admin.WebApi.Controllers
                 return NoContent();
             }
         }
+        
+        /// <summary>
+        /// 通过文件ID下载文件
+        /// </summary>
+        /// <param name="fileId"></param>
+        /// <returns></returns>
+        [HttpGet("download/{fileId}")]
+        public IActionResult Download([FromRoute] long fileId)
+        {
+            var sysFile = _sysFileService.Queryable().Where(it => it.Id == fileId).First();
+            if (sysFile == null)
+            {
+                throw new CustomException("服务器上不存在此文件");
+            }
+
+            Stream? stream;
+            switch ((StoreType)Enum.Parse(typeof(StoreType), sysFile.StoreType.ToString() ?? string.Empty))
+            {
+                case StoreType.LOCAL:
+                    Logger.Info("本地存储");
+                    stream = sysFile.IsEncrypted == "1" ? _sysFileService.DecryptSysFileStream(sysFile.FileUrl) 
+                        : new FileStream(sysFile.FileUrl, FileMode.Open);
+                    break;
+                case StoreType.ALIYUN:
+                    stream = AliyunOssHelper.DownloadFile(sysFile.FileUrl, "", sysFile.IsEncrypted == "1");
+                    break;
+                default:
+                    throw new CustomException("不支持的存储类型");
+            }
+            if (stream != null)
+            {
+                return new FileStreamResult(stream, "application/octet-stream")
+                {
+                    FileDownloadName = sysFile.RealName
+                };
+            }
+
+            return NoContent();
+        }
     }
 }
\ No newline at end of file
diff --git a/ZR.ServiceCore/Services/SysUserService.cs b/ZR.ServiceCore/Services/SysUserService.cs
index 6ffe5bb..67a4d7a 100644
--- a/ZR.ServiceCore/Services/SysUserService.cs
+++ b/ZR.ServiceCore/Services/SysUserService.cs
@@ -76,7 +76,7 @@ namespace ZR.Service
         /// <returns></returns>
         public SysUser SelectUserById(long userId)
         {
-            var user = Queryable().Filter(null, true).WithCache(60 * 5)
+            var user = Queryable().Filter(null, true)
                 .Where(f => f.UserId == userId).First();
             if (user != null && user.UserId > 0)
             {