diff --git a/ExternalAPI_NET8/Controllers/DownloadController.cs b/ExternalAPI_NET8/Controllers/DownloadController.cs
index 3c57a61..1477f51 100644
--- a/ExternalAPI_NET8/Controllers/DownloadController.cs
+++ b/ExternalAPI_NET8/Controllers/DownloadController.cs
@@ -25,7 +25,7 @@ public class DownloadController : Controller
     [HttpGet("")]
     public IActionResult Download(string fileName, string sign, long t)
     {
-        // 1. 校验时效（5分钟内有效）--
+        // 1. 校验时效（5分钟内有效）
         var now = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
         if (now - t > 300000) 
             return BadRequest("过期访问！");