From 9d0247bac46c3763bbe03b8464c39a33e16c7723 Mon Sep 17 00:00:00 2001
From: Bruce Wayne <admin@bige0.com>
Date: Sat, 4 Jan 2020 21:25:12 +0800
Subject: [PATCH] Oops

---
 BilibiliApi/Utils.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/BilibiliApi/Utils.cs b/BilibiliApi/Utils.cs
index 6960411..b18e15c 100644
--- a/BilibiliApi/Utils.cs
+++ b/BilibiliApi/Utils.cs
@@ -88,7 +88,7 @@ public static DateTime GetTime(string timeStamp)
 
 		public static bool IsToken(string token)
 		{
-			return token.Length == 32 && Regex.IsMatch(token, @"^[a-f0-9]+$");
+			return !string.IsNullOrEmpty(token) && token.Length == 32 && Regex.IsMatch(token, @"^[a-f0-9]+$");
 		}
 	}
 }