diff --git a/go.mod b/go.mod
index 6b779048..8262bf31 100644
--- a/go.mod
+++ b/go.mod
@@ -6,6 +6,7 @@ require (
 	github.com/Chain-Zhang/pinyin v0.1.3
 	github.com/anargu/gin-brotli v0.0.0-20220116052358-12bf532d5267
 	github.com/bwmarrin/snowflake v0.3.0
+	github.com/davecgh/go-spew v1.1.1
 	github.com/disintegration/imaging v1.6.2
 	github.com/gin-gonic/gin v1.8.1
 	github.com/go-playground/locales v0.14.0
@@ -23,6 +24,7 @@ require (
 	github.com/mattn/go-sqlite3 v1.14.16
 	github.com/mojocn/base64Captcha v1.3.5
 	github.com/ory/dockertest/v3 v3.9.1
+	github.com/robfig/cron/v3 v3.0.1
 	github.com/segmentfault/pacman v1.0.1
 	github.com/segmentfault/pacman/contrib/cache/memory v0.0.0-20221018072427-a15dd1434e05
 	github.com/segmentfault/pacman/contrib/conf/viper v0.0.0-20221018072427-a15dd1434e05
@@ -52,7 +54,6 @@ require (
 	github.com/andybalholm/brotli v1.0.4 // indirect
 	github.com/cenkalti/backoff/v4 v4.1.3 // indirect
 	github.com/containerd/continuity v0.3.0 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/docker/cli v20.10.14+incompatible // indirect
 	github.com/docker/docker v20.10.7+incompatible // indirect
 	github.com/docker/go-connections v0.4.0 // indirect
@@ -73,7 +74,6 @@ require (
 	github.com/inconshreveable/mousetrap v1.0.1 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/jxskiss/ginregex v0.2.0 // indirect
 	github.com/leodido/go-urn v1.2.1 // indirect
 	github.com/lestrrat-go/file-rotatelogs v2.4.0+incompatible // indirect
 	github.com/lestrrat-go/strftime v1.0.6 // indirect
diff --git a/go.sum b/go.sum
index 00b8f5f8..ff917061 100644
--- a/go.sum
+++ b/go.sum
@@ -166,7 +166,6 @@ github.com/gin-contrib/gzip v0.0.6/go.mod h1:QOJlmV2xmayAjkNS2Y8NQsMneuRShOU/kjo
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
 github.com/gin-gonic/gin v1.7.0/go.mod h1:jD2toBW3GZUr5UMcdrwQA10I7RuaFOl/SGeDjXkfUtY=
-github.com/gin-gonic/gin v1.7.4/go.mod h1:jD2toBW3GZUr5UMcdrwQA10I7RuaFOl/SGeDjXkfUtY=
 github.com/gin-gonic/gin v1.8.1 h1:4+fr/el88TOO3ewCmQr8cx/CtZ/umlIRIs5M4NTNjf8=
 github.com/gin-gonic/gin v1.8.1/go.mod h1:ji8BvRH1azfM+SYow9zQ6SZMvR8qOMZHmsCuWR9tTTk=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
@@ -410,8 +409,6 @@ github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1
 github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
-github.com/jxskiss/ginregex v0.2.0 h1:ufz3EWGEF4oUJr5PEmS1Z7AzmzRsaIGux2M0Jogfwds=
-github.com/jxskiss/ginregex v0.2.0/go.mod h1:3Ioyw1ilM5ZQVsOkCfjbBgcABgbmGErEIQH5gRYU3Wk=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
@@ -582,6 +579,8 @@ github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+Gx
 github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
 github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 h1:OdAsTTz6OkFY5QxjkYwrChwuRruF69c169dPK26NUlk=
 github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
+github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
diff --git a/internal/base/cron/cron.go b/internal/base/cron/cron.go
index f357eeb6..f53dbfeb 100644
--- a/internal/base/cron/cron.go
+++ b/internal/base/cron/cron.go
@@ -2,9 +2,11 @@ package cron
 
 import (
 	"context"
+	"fmt"
 
 	"github.com/answerdev/answer/internal/service"
 	"github.com/answerdev/answer/internal/service/siteinfo_common"
+	"github.com/robfig/cron/v3"
 )
 
 // ScheduledTaskManager scheduled task manager
@@ -26,6 +28,12 @@ func NewScheduledTaskManager(
 }
 
 func (s *ScheduledTaskManager) Run() {
-	ctx := context.Background()
-	s.questionService.SitemapCron(ctx)
+	fmt.Println("start cron")
+	c := cron.New()
+	c.AddFunc("0 */1 * * *", func() {
+		ctx := context.Background()
+		fmt.Println("sitemap cron execution")
+		s.questionService.SitemapCron(ctx)
+	})
+	c.Start()
 }
diff --git a/internal/repo/question/question_repo.go b/internal/repo/question/question_repo.go
index fc03850a..7969aeb1 100644
--- a/internal/repo/question/question_repo.go
+++ b/internal/repo/question/question_repo.go
@@ -2,6 +2,7 @@ package question
 
 import (
 	"context"
+	"fmt"
 	"strings"
 	"time"
 	"unicode"
@@ -198,7 +199,7 @@ func (qr *questionRepo) GetQuestionIDsPage(ctx context.Context, page, pageSize i
 		item := &schema.SiteMapQuestionInfo{}
 		item.ID = question.ID
 		item.Title = htmltext.UrlTitle(question.Title)
-		item.UpdateTime = question.PostUpdateTime.Format("2006-01-02 15:04:05")
+		item.UpdateTime = fmt.Sprintf("%v", question.PostUpdateTime.UTC())
 		questionIDList = append(questionIDList, item)
 	}
 	return questionIDList, nil