diff --git a/New_College.Extensions/Authorizations/OverWrite/JwtHelper.cs b/New_College.Extensions/Authorizations/OverWrite/JwtHelper.cs
index 6bfd5c6..323cf56 100644
--- a/New_College.Extensions/Authorizations/OverWrite/JwtHelper.cs
+++ b/New_College.Extensions/Authorizations/OverWrite/JwtHelper.cs
@@ -118,7 +118,7 @@ namespace New_College.AuthHelper.OverWrite
                 new Claim(JwtRegisteredClaimNames.Nbf,$"{new DateTimeOffset(DateTime.Now).ToUnixTimeSeconds()}") ,
                 //这个就是过期时间，目前是过期1000秒，可自定义，注意JWT有自己的缓冲过期时间
                 new Claim (JwtRegisteredClaimNames.Exp,$"{new DateTimeOffset(DateTime.Now.AddDays(7)).ToUnixTimeSeconds()}"),
-                new Claim(ClaimTypes.Expiration, DateTime.Now.AddDays(1000).ToString()),
+                new Claim(ClaimTypes.Expiration, DateTime.Now.AddDays(7).ToString()),
                 new Claim(JwtRegisteredClaimNames.Iss,iss),
                 new Claim(JwtRegisteredClaimNames.Aud,aud),
                new Claim(JwtRegisteredClaimNames.Name,tokenModel.NickName),