diff --git a/WebApiClientCore.Extensions.OAuths/TokenResult.cs b/WebApiClientCore.Extensions.OAuths/TokenResult.cs
index 71f312e3..7317b8bd 100644
--- a/WebApiClientCore.Extensions.OAuths/TokenResult.cs
+++ b/WebApiClientCore.Extensions.OAuths/TokenResult.cs
@@ -75,7 +75,7 @@ public virtual bool IsSuccess()
         /// <returns></returns>
         public virtual bool IsExpired()
         {
-            return DateTime.Now.Subtract(this.createTime) > TimeSpan.FromSeconds(this.Expires_in);
+            return DateTime.Now.Subtract(this.createTime) >= TimeSpan.FromSeconds(this.Expires_in);
         }
 
         /// <summary>