From 0c4873884184eac6a135e44b86dd4985df4076c7 Mon Sep 17 00:00:00 2001
From: youngsterxyf <sas.198708@gmail.com>
Date: Fri, 8 Jan 2016 21:29:12 +0800
Subject: [PATCH] for issue #1530, fix incompatible bug

---
 utils/captcha/captcha.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/utils/captcha/captcha.go b/utils/captcha/captcha.go
index 76301a03..4ac5c9f9 100644
--- a/utils/captcha/captcha.go
+++ b/utils/captcha/captcha.go
@@ -64,6 +64,7 @@ import (
 	"net/http"
 	"path"
 	"strings"
+	"time"
 
 	"github.com/astaxie/beego"
 	"github.com/astaxie/beego/cache"
@@ -78,7 +79,7 @@ var (
 const (
 	// default captcha attributes
 	challengeNums    = 6
-	expiration       = 600
+	expiration       = 600 * time.Second
 	fieldIDName      = "captcha_id"
 	fieldCaptchaName = "captcha"
 	cachePrefix      = "captcha_"
@@ -106,7 +107,7 @@ type Captcha struct {
 	ChallengeNums int
 
 	// captcha expiration seconds
-	Expiration int64
+	Expiration time.Duration
 
 	// cache key prefix
 	CachePrefix string