diff --git a/casdoor/adapter.go b/casdoor/adapter.go
index 316156e8..3345c884 100644
--- a/casdoor/adapter.go
+++ b/casdoor/adapter.go
@@ -22,8 +22,10 @@ import (
 	"xorm.io/xorm"
 )
 
-var adapter *Adapter = nil
-var CasdoorOrganization string
+var (
+	adapter             *Adapter = nil
+	CasdoorOrganization string
+)
 
 type Session struct {
 	SessionKey    string  `xorm:"char(64) notnull pk"`
diff --git a/controllers/balance.go b/controllers/balance.go
index 60ca34d3..d228b3de 100644
--- a/controllers/balance.go
+++ b/controllers/balance.go
@@ -35,7 +35,7 @@ func (c *ApiController) AddThanks() {
 	user := c.GetSessionUser()
 
 	id := util.ParseInt(c.Input().Get("id"))
-	thanksType := c.Input().Get("thanksType") //1 means topic, 2 means reply
+	thanksType := c.Input().Get("thanksType") // 1 means topic, 2 means reply
 
 	var author *auth.User
 	if thanksType == "2" {
@@ -160,7 +160,7 @@ func (c *ApiController) GetCheckinBonus() {
 	bonus := rand.Intn(maxBonus)
 
 	record := object.ConsumptionRecord{
-		//Id:              util.IntToString(object.GetConsumptionRecordId() + 1),
+		// Id:              util.IntToString(object.GetConsumptionRecordId() + 1),
 		Amount:          bonus,
 		Balance:         object.GetMemberBalance(user) + bonus,
 		ReceiverId:      GetUserName(user),
diff --git a/controllers/base.go b/controllers/base.go
index f1d21aa7..2dc202ee 100644
--- a/controllers/base.go
+++ b/controllers/base.go
@@ -67,7 +67,7 @@ func (c *ApiController) GetSessionUser() *auth.User {
 
 func (c *ApiController) SetSessionUser(user *auth.User) {
 	if user == nil {
-		//c.DelSession("user")
+		// c.DelSession("user")
 		return
 	}
 
diff --git a/controllers/favorites.go b/controllers/favorites.go
index 1886ebc1..232205c1 100644
--- a/controllers/favorites.go
+++ b/controllers/favorites.go
@@ -43,7 +43,7 @@ func (c *ApiController) AddFavorites() {
 
 	username := c.GetSessionUsername()
 	favorites := object.Favorites{
-		//Id:            util.IntToString(object.GetFavoritesCount()) + username,
+		// Id:            util.IntToString(object.GetFavoritesCount()) + username,
 		FavoritesType: favoritesType,
 		ObjectId:      objectId,
 		CreatedTime:   util.GetCurrentTime(),
@@ -74,7 +74,7 @@ func (c *ApiController) AddFavorites() {
 	if favoritesType == object.FavorTopic {
 		topicId := util.ParseInt(objectId)
 		notification := object.Notification{
-			//Id:               util.IntToString(object.GetNotificationId()),
+			// Id:               util.IntToString(object.GetNotificationId()),
 			NotificationType: 4,
 			ObjectId:         topicId,
 			CreatedTime:      util.GetCurrentTime(),
@@ -226,7 +226,7 @@ func (c *ApiController) GetAccountFavoriteNum() {
 	var res [6]int
 	var wg sync.WaitGroup
 
-	//favorite type set,5 object.favorTopic...
+	// favorite type set,5 object.favorTopic...
 	typeSet := []string{object.FavorTopic, object.FollowUser, object.FavorNode, object.SubscribeTopic}
 
 	for i := 1; i <= len(typeSet); i++ {
diff --git a/controllers/file.go b/controllers/file.go
index b1e04fac..250daab2 100644
--- a/controllers/file.go
+++ b/controllers/file.go
@@ -191,7 +191,7 @@ func (c *ApiController) UpdateFileDescribe() {
 }
 
 // @Title UploadFile
-// @Tag File API 
+// @Tag File API
 // @router /upload-file [post]
 func (c *ApiController) UploadFile() {
 	if c.RequireSignedIn() {
@@ -213,7 +213,7 @@ func (c *ApiController) UploadFile() {
 }
 
 // @Title ModeratorUpload
-// @Tag File API 
+// @Tag File API
 // @router /upload-moderator [post]
 func (c *ApiController) ModeratorUpload() {
 	if c.RequireSignedIn() {
@@ -236,5 +236,5 @@ func (c *ApiController) ModeratorUpload() {
 	timeStamp := fmt.Sprintf("?time=%d", time.Now().UnixNano())
 
 	c.ResponseOk(fileUrl + timeStamp)
-	//resp := Response{Status: "ok", Msg: fileName, Data: fileUrl + timeStamp}
+	// resp := Response{Status: "ok", Msg: fileName, Data: fileUrl + timeStamp}
 }
diff --git a/controllers/frontConf.go b/controllers/frontConf.go
index 00a779e4..15563c28 100644
--- a/controllers/frontConf.go
+++ b/controllers/frontConf.go
@@ -59,7 +59,6 @@ func (c *ApiController) UpdateFrontConfById() {
 	err := json.Unmarshal(c.Ctx.Input.RequestBody, &value)
 	tags := service.Finalword(value)
 	affect, err := object.UpdateFrontConfById(id, value, tags)
-
 	if err != nil {
 		c.ResponseError(err.Error())
 	}
diff --git a/controllers/node.go b/controllers/node.go
index 8525bbe7..16aefb5d 100644
--- a/controllers/node.go
+++ b/controllers/node.go
@@ -58,7 +58,6 @@ func (c *ApiController) GetNode() {
 	c.ServeJSON()
 }
 
-
 // @Title UpdateNode
 // @router /update-node [post]
 // @Tag Node API
diff --git a/controllers/notifications.go b/controllers/notifications.go
index 31f3303e..f2386c83 100644
--- a/controllers/notifications.go
+++ b/controllers/notifications.go
@@ -30,7 +30,7 @@ func (c *ApiController) AddNotification() {
 
 	memberId := c.GetSessionUsername()
 	notification := object.Notification{
-		//Id:               util.IntToString(object.GetNotificationId()),
+		// Id:               util.IntToString(object.GetNotificationId()),
 		NotificationType: tempNotification.NotificationType,
 		ObjectId:         tempNotification.ObjectId,
 		CreatedTime:      util.GetCurrentTime(),
diff --git a/controllers/sensitive.go b/controllers/sensitive.go
index a211202f..beaed654 100644
--- a/controllers/sensitive.go
+++ b/controllers/sensitive.go
@@ -74,4 +74,4 @@ func (c *ApiController) DelSensitive() {
 func (c *ApiController) GetSensitive() {
 	c.Data["json"] = object.GetSensitiveWords()
 	c.ServeJSON()
-}
\ No newline at end of file
+}
diff --git a/controllers/tab.go b/controllers/tab.go
index b168eb14..6f7943fb 100644
--- a/controllers/tab.go
+++ b/controllers/tab.go
@@ -115,7 +115,7 @@ func (c *ApiController) UpdateTab() {
 	}
 
 	tab := object.Tab{
-		//Id:          tabInfo.Id,
+		// Id:          tabInfo.Id,
 		Name:        tabInfo.Name,
 		Sorter:      tabInfo.Sorter,
 		CreatedTime: tabInfo.CreatedTime,
diff --git a/controllers/topic.go b/controllers/topic.go
index baa42899..0fb25929 100644
--- a/controllers/topic.go
+++ b/controllers/topic.go
@@ -143,7 +143,7 @@ func (c *ApiController) GetTopic() {
 
 // @Title GetTopicAdmin
 // @Description get topic for admin by id
-//@Param   id     query    string  true        "id"
+// @Param   id     query    string  true        "id"
 // @Success 200 {object} object.AdminTopicInfo The Response object
 // @router /get-topic-admin [get]
 // @Tag Topic API
@@ -216,7 +216,7 @@ func (c *ApiController) AddTopic() {
 	}
 
 	topic := object.Topic{
-		//Id:            util.IntToString(object.GetTopicId()),
+		// Id:            util.IntToString(object.GetTopicId()),
 		Author:         GetUserName(user),
 		NodeId:         node.Id,
 		NodeName:       node.Name,
@@ -242,9 +242,9 @@ func (c *ApiController) AddTopic() {
 		c.ResponseError("You don't have enough balance.")
 		return
 	}
-	//payRes := object.CreateTopicConsumption(c.GetSessionUser(), topic.Id)
+	// payRes := object.CreateTopicConsumption(c.GetSessionUser(), topic.Id)
 
-	//object.AddTopicNotification(topic.Id, c.GetSessionUser(), body)
+	// object.AddTopicNotification(topic.Id, c.GetSessionUser(), body)
 
 	err = json.Unmarshal(c.Ctx.Input.RequestBody, &topic)
 	if err != nil {
@@ -545,7 +545,6 @@ func (c *ApiController) GetHotTopic() {
 
 	res := object.GetHotTopic(limit)
 	c.ResponseOk(res)
-
 }
 
 // @Title GetSortedTopics
@@ -618,7 +617,7 @@ func (c *ApiController) UpdateTopicNode() {
 	}
 
 	topic := object.Topic{
-		//Id:       id,
+		// Id:       id,
 		NodeId:   node.Id,
 		NodeName: node.Name,
 		TabId:    node.TabId,
@@ -702,7 +701,7 @@ func (c *ApiController) TranslateTopic() {
 	topicIdStr := c.Input().Get("id")
 	targetLang := c.Input().Get("target")
 
-	//ISO/IEC 15897 to ISO 639-1
+	// ISO/IEC 15897 to ISO 639-1
 	targetLang = targetLang[0:2]
 
 	topicId := util.ParseInt(topicIdStr)
@@ -741,10 +740,10 @@ func (c *ApiController) TopTopic() {
 	var res bool
 	nodeId := object.GetTopicNodeId(id)
 	if object.CheckIsAdmin(user) || object.CheckNodeModerator(user, nodeId) {
-		//timeStr := c.Input().Get("time")
-		//time := util.ParseInt(timeStr)
-		//date := util.GetTimeMinute(time)
-		//res = object.ChangeTopicTopExpiredTime(id, date)
+		// timeStr := c.Input().Get("time")
+		// time := util.ParseInt(timeStr)
+		// date := util.GetTimeMinute(time)
+		// res = object.ChangeTopicTopExpiredTime(id, date)
 		topType := c.Input().Get("topType")
 		date := util.GetTimeYear(100)
 		res = object.ChangeTopicTopExpiredTime(id, date, topType)
diff --git a/discuzx/avatat_cached.go b/discuzx/avatat_cached.go
index dc8d3f69..825908b9 100644
--- a/discuzx/avatat_cached.go
+++ b/discuzx/avatat_cached.go
@@ -21,8 +21,10 @@ import (
 
 var randomAvatarCount = 244
 
-var randomAvatarMap map[string][]byte
-var randomAvatarMapMutex sync.RWMutex
+var (
+	randomAvatarMap      map[string][]byte
+	randomAvatarMapMutex sync.RWMutex
+)
 
 func initRandomAvatars() {
 	randomAvatarMap = map[string][]byte{}
diff --git a/discuzx/casdoor_init.go b/discuzx/casdoor_init.go
index cf9787cd..bea3ccb7 100644
--- a/discuzx/casdoor_init.go
+++ b/discuzx/casdoor_init.go
@@ -19,8 +19,10 @@ import (
 	"github.com/casbin/casnode/object"
 )
 
-var CasdoorOrganization = ""
-var CasdoorApplication = ""
+var (
+	CasdoorOrganization = ""
+	CasdoorApplication  = ""
+)
 
 func init() {
 	object.InitConfig()
diff --git a/discuzx/conf.go b/discuzx/conf.go
index 3f654eaa..2a773ce3 100644
--- a/discuzx/conf.go
+++ b/discuzx/conf.go
@@ -14,8 +14,10 @@
 
 package discuzx
 
-var dbName = "ultrax"
-var discuzxDomain = "https://www.discuz.net/"
-var discuzxAttachmentBaseUrl = "https://attachment.discuz.net/forum/"
+var (
+	dbName                   = "ultrax"
+	discuzxDomain            = "https://www.discuz.net/"
+	discuzxAttachmentBaseUrl = "https://attachment.discuz.net/forum/"
+)
 
 var avatarPoolBaseUrl = "https://cdn.casbin.com/avatar-pool/"
diff --git a/discuzx/post.go b/discuzx/post.go
index 10f7f57b..ef0f9a0d 100644
--- a/discuzx/post.go
+++ b/discuzx/post.go
@@ -33,7 +33,7 @@ type Post struct {
 func getPosts() []*Post {
 	posts := []*Post{}
 	err := adapter.Engine.Table("pre_forum_post").Find(&posts)
-	//err := adapter.Engine.Table("pre_forum_post").Where("tid = ?", threadId).Find(&posts)
+	// err := adapter.Engine.Table("pre_forum_post").Where("tid = ?", threadId).Find(&posts)
 	if err != nil {
 		panic(err)
 	}
diff --git a/discuzx/thread.go b/discuzx/thread.go
index bafa2b49..dcf63a54 100644
--- a/discuzx/thread.go
+++ b/discuzx/thread.go
@@ -80,7 +80,7 @@ func addThread(thread *Thread, threadPostsMap map[int][]*Post, attachments []*At
 
 	thread.Posts = posts
 
-	//deleteWholeTopic(thread)
+	// deleteWholeTopic(thread)
 
 	mutex := sync.RWMutex{}
 
diff --git a/discuzx/thread_other_test.go b/discuzx/thread_other_test.go
index 70ca11ef..31da6e2e 100644
--- a/discuzx/thread_other_test.go
+++ b/discuzx/thread_other_test.go
@@ -34,11 +34,11 @@ func TestGetThreads(t *testing.T) {
 		if thread, ok := threadMap[post.Tid]; ok {
 			thread.Posts = append(thread.Posts, post)
 		} else {
-			//fmt.Printf("Failed to find thread: %d for post: %s\n", post.Tid, post.Message)
+			// fmt.Printf("Failed to find thread: %d for post: %s\n", post.Tid, post.Message)
 		}
 	}
 
-	//thread := threadMap[126152]
+	// thread := threadMap[126152]
 	thread := threadMap[126239]
 	println(thread)
 
diff --git a/discuzx/thread_test.go b/discuzx/thread_test.go
index 07591cda..023477a0 100644
--- a/discuzx/thread_test.go
+++ b/discuzx/thread_test.go
@@ -23,8 +23,10 @@ import (
 	"github.com/casbin/casnode/object"
 )
 
-var AddThreadsConcurrency = 100
-var AddThreadsBatchSize = 10000
+var (
+	AddThreadsConcurrency = 100
+	AddThreadsBatchSize   = 10000
+)
 
 func addThreads(threads []*Thread, threadPostsMap map[int][]*Post, attachmentMap map[int][]*Attachment, forumMap map[int]*Forum, classMap map[int]*Class) {
 	arrayMutex := sync.RWMutex{}
diff --git a/discuzx/user.go b/discuzx/user.go
index bf161757..6c04804c 100644
--- a/discuzx/user.go
+++ b/discuzx/user.go
@@ -28,27 +28,27 @@ func getUserFromMember(memberEx *MemberEx) *auth.User {
 		CreatedTime: getTimeFromUnixSeconds(memberEx.Member.Regdate),
 		Id:          strconv.Itoa(memberEx.Member.Uid),
 		Type:        "normal-user",
-		//Password:          memberEx.UcenterMember.Password,
-		//PasswordSalt:      memberEx.UcenterMember.Salt,
-		//DisplayName:       displayName,
+		// Password:          memberEx.UcenterMember.Password,
+		// PasswordSalt:      memberEx.UcenterMember.Salt,
+		// DisplayName:       displayName,
 		Avatar:          "",
 		PermanentAvatar: "*",
 		Email:           memberEx.Member.Email,
-		//Phone:             memberEx.Profile.Mobile,
-		//Location:          memberEx.Profile.Residecity,
+		// Phone:             memberEx.Profile.Mobile,
+		// Location:          memberEx.Profile.Residecity,
 		Address: []string{},
-		//Affiliation:       memberEx.Profile.Occupation,
-		//Title:             memberEx.Profile.Position,
-		//IdCardType:        idCardType,
-		//IdCard:            idCard,
-		//Homepage:          memberEx.Profile.Site,
-		//Bio:               memberEx.Profile.Bio,
-		//Tag:               memberEx.Profile.Interest,
+		// Affiliation:       memberEx.Profile.Occupation,
+		// Title:             memberEx.Profile.Position,
+		// IdCardType:        idCardType,
+		// IdCard:            idCard,
+		// Homepage:          memberEx.Profile.Site,
+		// Bio:               memberEx.Profile.Bio,
+		// Tag:               memberEx.Profile.Interest,
 		Region:   "CN",
 		Language: "zh",
-		//Gender:            gender,
-		//Birthday:          birthday,
-		//Education:         memberEx.Profile.Education,
+		// Gender:            gender,
+		// Birthday:          birthday,
+		// Education:         memberEx.Profile.Education,
 		Score:             memberEx.Member.Credits,
 		Ranking:           memberEx.Member.Uid,
 		IsOnline:          false,
@@ -57,8 +57,8 @@ func getUserFromMember(memberEx *MemberEx) *auth.User {
 		IsForbidden:       false,
 		IsDeleted:         false,
 		SignupApplication: CasdoorApplication,
-		//CreatedIp:         memberEx.UcenterMember.Regip,
-		//LastSigninTime:    getTimeFromUnixSeconds(memberEx.UcenterMember.Lastlogintime),
+		// CreatedIp:         memberEx.UcenterMember.Regip,
+		// LastSigninTime:    getTimeFromUnixSeconds(memberEx.UcenterMember.Lastlogintime),
 		LastSigninIp: "",
 		Properties:   map[string]string{},
 	}
diff --git a/discuzx/util.go b/discuzx/util.go
index fc818b4c..353a075b 100644
--- a/discuzx/util.go
+++ b/discuzx/util.go
@@ -25,14 +25,16 @@ import (
 	"time"
 )
 
-var reBold *regexp.Regexp
-var reAlign *regexp.Regexp
-var reFont *regexp.Regexp
-var reUrl *regexp.Regexp
-var reSize *regexp.Regexp
-var reSize2 *regexp.Regexp
-var reSize3 *regexp.Regexp
-var reVideo *regexp.Regexp
+var (
+	reBold  *regexp.Regexp
+	reAlign *regexp.Regexp
+	reFont  *regexp.Regexp
+	reUrl   *regexp.Regexp
+	reSize  *regexp.Regexp
+	reSize2 *regexp.Regexp
+	reSize3 *regexp.Regexp
+	reVideo *regexp.Regexp
+)
 
 func init() {
 	reBold, _ = regexp.Compile("\\[b](.*?)\\[/b]")
@@ -42,7 +44,7 @@ func init() {
 	reSize, _ = regexp.Compile("\\[[a-z]+(=[^]]+)?]")
 	reSize2, _ = regexp.Compile("\\[/align]")
 	reSize3, _ = regexp.Compile("\\[/[a-z]+]")
-	//reSize, _ = regexp.Compile("\\[size=\\d+\\].*\\[/size\\]")
+	// reSize, _ = regexp.Compile("\\[size=\\d+\\].*\\[/size\\]")
 	reVideo, _ = regexp.Compile("\\[media=x,(\\d+),(\\d+)\\].*/id_(.*)\\.html\\[/media\\]")
 }
 
diff --git a/main.go b/main.go
index 90bd4e40..974da00f 100644
--- a/main.go
+++ b/main.go
@@ -43,7 +43,7 @@ func main() {
 		AllowCredentials: true,
 	}))
 
-	//beego.DelStaticPath("/static")
+	// beego.DelStaticPath("/static")
 	beego.SetStaticPath("/static", "web/build/static")
 	beego.SetStaticPath("/swagger", "swagger")
 	beego.BConfig.WebConfig.DirectoryIndex = true
diff --git a/object/adapter.go b/object/adapter.go
index 28701066..24c7c8bf 100644
--- a/object/adapter.go
+++ b/object/adapter.go
@@ -23,9 +23,11 @@ import (
 	"xorm.io/xorm"
 )
 
-var adapter *Adapter
-var CasdoorOrganization string
-var CasdoorApplication string
+var (
+	adapter             *Adapter
+	CasdoorOrganization string
+	CasdoorApplication  string
+)
 
 type Session struct {
 	SessionKey    string  `xorm:"char(64) notnull pk"`
diff --git a/object/balance.go b/object/balance.go
index b6255173..8bef5e79 100644
--- a/object/balance.go
+++ b/object/balance.go
@@ -176,7 +176,7 @@ func GetThanksStatus(memberId string, id, recordType int) bool {
 
 func CreateTopicConsumption(user *auth.User, id int) bool {
 	record := ConsumptionRecord{
-		//Id:              util.IntToString(GetConsumptionRecordId()),
+		// Id:              util.IntToString(GetConsumptionRecordId()),
 		ReceiverId:      GetUserName(user),
 		ObjectId:        id,
 		CreatedTime:     util.GetCurrentTime(),
@@ -199,7 +199,7 @@ func CreateTopicConsumption(user *auth.User, id int) bool {
 
 func CreateReplyConsumption(user *auth.User, id int) bool {
 	record := ConsumptionRecord{
-		//Id:              util.IntToString(GetConsumptionRecordId()),
+		// Id:              util.IntToString(GetConsumptionRecordId()),
 		ReceiverId:      GetUserName(user),
 		ObjectId:        id,
 		CreatedTime:     util.GetCurrentTime(),
@@ -226,7 +226,7 @@ func GetReplyBonus(author *auth.User, consumer *auth.User, id int) {
 	}
 
 	record := ConsumptionRecord{
-		//Id:              util.IntToString(GetConsumptionRecordId()),
+		// Id:              util.IntToString(GetConsumptionRecordId()),
 		ConsumerId:      consumer.Name,
 		ReceiverId:      author.Name,
 		ObjectId:        id,
diff --git a/object/basic.go b/object/basic.go
index f8c85c16..99a49140 100644
--- a/object/basic.go
+++ b/object/basic.go
@@ -30,8 +30,10 @@ type BasicInfo struct {
 	Value string `xorm:"mediumtext"`
 }
 
-var fileDate, version string
-var onlineMemberNum, highestOnlineNum int
+var (
+	fileDate, version                 string
+	onlineMemberNum, highestOnlineNum int
+)
 
 func InitForumBasicInfo() {
 	GetForumVersion()
@@ -68,7 +70,7 @@ func GetForumVersion() string {
 		return ""
 	}
 
-	//Convert to full length
+	// Convert to full length
 	temp := string(content)
 	version = strings.ReplaceAll(temp, "\n", "")
 
diff --git a/object/cron.go b/object/cron.go
index 81ac53e9..02c1831c 100755
--- a/object/cron.go
+++ b/object/cron.go
@@ -117,7 +117,7 @@ func refreshCronTasks() bool {
 			}
 
 			schedule := fmt.Sprintf("%s %s * * *", minutes, hours)
-			//schedule := "* * * * *"
+			// schedule := "* * * * *"
 			err := ctab.AddJob(schedule, schedulePost, post.Id)
 			if err != nil {
 				panic(err)
diff --git a/object/favorites.go b/object/favorites.go
index 70091e46..548646e9 100644
--- a/object/favorites.go
+++ b/object/favorites.go
@@ -35,7 +35,7 @@ const (
 )
 
 func IsFavoritesExist(Type string) bool {
-	//check the if the string is in the enum
+	// check the if the string is in the enum
 	if Type == FavorTopic || Type == FollowUser || Type == FavorNode || Type == SubscribeTopic {
 		return true
 	}
diff --git a/object/frontConf.go b/object/frontConf.go
index 8ea09d41..babf5517 100644
--- a/object/frontConf.go
+++ b/object/frontConf.go
@@ -21,22 +21,20 @@ type FrontConf struct {
 	Tags  []string `xorm:"varchar(200)" json:"tags"`
 }
 
-var (
-	Confs = []*FrontConf{
-		{Id: "forumName", Value: "Casnode", Field: "visualConf", Tags: nil},
-		{Id: "logoImage", Value: "https://cdn.casbin.com/forum/static/img/logo.png", Field: "visualConf", Tags: nil},
-		{Id: "footerLogoImage", Value: "https://cdn.casbin.com/forum/static/img/logo-footer.png", Field: "visualConf", Tags: nil},
-		{Id: "footerLogoUrl", Value: "https://www.digitalocean.com/", Field: "visualConf", Tags: nil},
-		{Id: "signinBoxStrong", Value: "Casbin = way to authorization", Field: "visualConf", Tags: nil},
-		{Id: "signinBoxSpan", Value: "A place for Casbin developers and users", Field: "visualConf", Tags: nil},
-		{Id: "footerDeclaration", Value: "World is powered by code", Field: "visualConf", Tags: nil},
-		{Id: "footerAdvise", Value: "♥ Do have faith in what you're doing.", Field: "visualConf", Tags: nil},
-		{Id: "faq", Value: "Not yet", Field: "", Tags: nil},
-		{Id: "mission", Value: "Not yet", Field: "", Tags: nil},
-		{Id: "advertise", Value: "Not yet", Field: "", Tags: nil},
-		{Id: "thanks", Value: "Not yet", Field: "", Tags: nil},
-	}
-)
+var Confs = []*FrontConf{
+	{Id: "forumName", Value: "Casnode", Field: "visualConf", Tags: nil},
+	{Id: "logoImage", Value: "https://cdn.casbin.com/forum/static/img/logo.png", Field: "visualConf", Tags: nil},
+	{Id: "footerLogoImage", Value: "https://cdn.casbin.com/forum/static/img/logo-footer.png", Field: "visualConf", Tags: nil},
+	{Id: "footerLogoUrl", Value: "https://www.digitalocean.com/", Field: "visualConf", Tags: nil},
+	{Id: "signinBoxStrong", Value: "Casbin = way to authorization", Field: "visualConf", Tags: nil},
+	{Id: "signinBoxSpan", Value: "A place for Casbin developers and users", Field: "visualConf", Tags: nil},
+	{Id: "footerDeclaration", Value: "World is powered by code", Field: "visualConf", Tags: nil},
+	{Id: "footerAdvise", Value: "♥ Do have faith in what you're doing.", Field: "visualConf", Tags: nil},
+	{Id: "faq", Value: "Not yet", Field: "", Tags: nil},
+	{Id: "mission", Value: "Not yet", Field: "", Tags: nil},
+	{Id: "advertise", Value: "Not yet", Field: "", Tags: nil},
+	{Id: "thanks", Value: "Not yet", Field: "", Tags: nil},
+}
 
 func InitFrontConf() {
 	var confs []*FrontConf
diff --git a/object/gitter.go b/object/gitter.go
index a1edf64b..3f19b0a0 100644
--- a/object/gitter.go
+++ b/object/gitter.go
@@ -305,7 +305,7 @@ func createTopicWithMessages(messages []gitter.Message, room gitter.Room, node N
 
 			// create if user is not exist
 			user, err := auth.GetUser(msg.From.Username)
-			//fmt.Println("user:", user)
+			// fmt.Println("user:", user)
 			if err != nil {
 				panic(err)
 			}
@@ -326,7 +326,7 @@ func createTopicWithMessages(messages []gitter.Message, room gitter.Room, node N
 				}
 			}
 
-			var mentioned = false // if @user
+			mentioned := false // if @user
 			for _, mention := range msg.Mentions {
 				if mention.ScreenName == lastMsg.From.Username {
 					mentioned = true
diff --git a/object/hot.go b/object/hot.go
index 619a287f..7f635ea4 100644
--- a/object/hot.go
+++ b/object/hot.go
@@ -14,7 +14,7 @@
 
 package object
 
-//RecordType: 1 means node hit record
+// RecordType: 1 means node hit record
 type BrowseRecord struct {
 	Id          int    `xorm:"int notnull pk autoincr" json:"id"`
 	MemberId    string `xorm:"varchar(100)" json:"memberId"`
diff --git a/object/member.go b/object/member.go
index 432781cf..3084cbc8 100644
--- a/object/member.go
+++ b/object/member.go
@@ -29,7 +29,7 @@ func GetRankingRich() ([]*auth.User, error) {
 }
 
 func GetRankingPlayer() ([]*auth.User, error) {
-    return casdoor.GetSortedUsers("karma", 25), nil
+	return casdoor.GetSortedUsers("karma", 25), nil
 }
 
 func GetUser(id string) *auth.User {
diff --git a/object/node.go b/object/node.go
index 66762dfe..992425f4 100644
--- a/object/node.go
+++ b/object/node.go
@@ -93,7 +93,7 @@ func UpdateNode(id string, node *Node) bool {
 		panic(err)
 	}
 
-	//return affected != 0
+	// return affected != 0
 	return true
 }
 
diff --git a/object/notification.go b/object/notification.go
index 259539aa..15833e2f 100644
--- a/object/notification.go
+++ b/object/notification.go
@@ -34,7 +34,7 @@ type Notification struct {
 	SenderId         string `xorm:"varchar(100)" json:"senderId"`
 	ReceiverId       string `xorm:"varchar(100) index" json:"receiverId"`
 	Status           int    `xorm:"tinyint" json:"-"`
-	//Deleted        bool   `xorm:"bool" json:"-"`
+	// Deleted        bool   `xorm:"bool" json:"-"`
 }
 
 func AddNotification(notification *Notification) bool {
@@ -207,7 +207,7 @@ func AddReplyNotification(senderId, content string, objectId, topicId int) {
 
 	if senderId != receiverId {
 		notification := Notification{
-			//Id:               memberMap[receiverId],
+			// Id:               memberMap[receiverId],
 			NotificationType: 1,
 			ObjectId:         objectId,
 			CreatedTime:      util.GetCurrentTime(),
@@ -228,7 +228,7 @@ func AddReplyNotification(senderId, content string, objectId, topicId int) {
 	}
 
 	delete(memberMap, receiverId)
-	for receiverId2, _ := range memberMap {
+	for receiverId2 := range memberMap {
 		wg.Add(1)
 		go func(receiverId2 string) {
 			defer wg.Done()
@@ -278,7 +278,7 @@ func AddTopicNotification(objectId int, author, content string) {
 		}
 	}
 
-	for k, _ := range memberMap {
+	for k := range memberMap {
 		wg.Add(1)
 		k := k
 		go func() {
diff --git a/object/reply.go b/object/reply.go
index 6cae4695..3785ec8c 100644
--- a/object/reply.go
+++ b/object/reply.go
@@ -83,34 +83,34 @@ func GetReplies(topicId int, user *auth.User, limit int, page int) ([]*ReplyWith
 
 	if enableNestedReply {
 		replies = bulidReplies(replies)
-		//Use limit to calculate offset
-		//If limit is 2, but the first reply have 2 child replies(3 replies)
-		//We need put these replies to offset, so cannot use (page * limit) to calculate offset
+		// Use limit to calculate offset
+		// If limit is 2, but the first reply have 2 child replies(3 replies)
+		// We need put these replies to offset, so cannot use (page * limit) to calculate offset
 		pageLimit := limit
 		for index, reply := range replies {
 			replyLen := getReplyLen(reply)
-			//Ignore replies until page == 1
+			// Ignore replies until page == 1
 			if page > 1 {
-				//Calculate limit in every ignore page
+				// Calculate limit in every ignore page
 				pageLimit -= replyLen
-				//Get replices for init == true(get the latest replies)
+				// Get replices for init == true(get the latest replies)
 				resultReplies = append(resultReplies, reply)
 				if pageLimit <= 0 {
 					page--
 					pageLimit = limit
 					if index+1 < len(replies) {
-						//If the page is a usable value when we get the latest replies, clear the result
+						// If the page is a usable value when we get the latest replies, clear the result
 						resultReplies = nil
 					}
 				}
 			} else if limit > 0 {
-				//if page == 1, prove that we are processing current page now
-				//So we can only calculate the limit and put replies to result slice
+				// if page == 1, prove that we are processing current page now
+				// So we can only calculate the limit and put replies to result slice
 				limit -= replyLen
 				resultReplies = append(resultReplies, reply)
 				page--
 			} else {
-				//if page == 1, and limit < 0, prove that we get all replies in this page now
+				// if page == 1, and limit < 0, prove that we get all replies in this page now
 				break
 			}
 		}
@@ -290,7 +290,7 @@ func UpdateReply(id int, reply *Reply) bool {
 		panic(err)
 	}
 
-	//return affected != 0
+	// return affected != 0
 	return true
 }
 
@@ -305,13 +305,13 @@ func UpdateReplyWithLimitCols(id int, reply *Reply) bool {
 		panic(err)
 	}
 
-	//return affected != 0
+	// return affected != 0
 	return true
 }
 
 // AddReply returns add reply result and reply id.
 func AddReply(reply *Reply) (bool, int) {
-	//reply.Content = strings.ReplaceAll(reply.Content, "\n", "<br/>")
+	// reply.Content = strings.ReplaceAll(reply.Content, "\n", "<br/>")
 	reply.Content = FilterUnsafeHTML(reply.Content)
 	affected, err := adapter.Engine.Insert(reply)
 	if err != nil {
diff --git a/object/sensitive_word.go b/object/sensitive_word.go
index d75879d7..4532bafb 100644
--- a/object/sensitive_word.go
+++ b/object/sensitive_word.go
@@ -18,7 +18,7 @@ import "strings"
 
 type SensitiveWord struct {
 	Word string `xorm:"varchar(64) notnull"`
-	Id int64
+	Id   int64
 }
 
 var sensitiveWords []SensitiveWord
@@ -86,4 +86,4 @@ func ContainsSensitiveWord(str string) bool {
 		}
 	}
 	return false
-}
\ No newline at end of file
+}
diff --git a/object/tab.go b/object/tab.go
index 854b9484..3d2bd063 100644
--- a/object/tab.go
+++ b/object/tab.go
@@ -69,7 +69,7 @@ func UpdateTab(id string, tab *Tab) bool {
 		panic(err)
 	}
 
-	//return affected != 0
+	// return affected != 0
 	return true
 }
 
diff --git a/object/topic.go b/object/topic.go
index b07199a1..940cee90 100644
--- a/object/topic.go
+++ b/object/topic.go
@@ -414,7 +414,7 @@ func UpdateTopic(id int, topic *Topic) bool {
 		panic(err)
 	}
 
-	//return affected != 0
+	// return affected != 0
 	return true
 }
 
@@ -437,7 +437,7 @@ func UpdateTopicWithLimitCols(id int, topic *Topic) bool {
 		panic(err)
 	}
 
-	//return affected != 0
+	// return affected != 0
 	return true
 }
 
@@ -639,7 +639,7 @@ func GetHotTopic(limit int) []*TopicWithAvatar {
 func GetSortedTopics(lastReplySort, hotSort, favCountSort, createdTimeSort string, limit int, offset int) []*TopicWithAvatar {
 	var topics []*Topic
 	db := adapter.Engine.Table("topic")
-	//last reply time sort
+	// last reply time sort
 	switch lastReplySort {
 	case "1":
 		db = db.Asc("last_reply_time")
diff --git a/routers/filter_ssr.go b/routers/filter_ssr.go
index 6e7cff9a..a3e7351e 100644
--- a/routers/filter_ssr.go
+++ b/routers/filter_ssr.go
@@ -14,10 +14,13 @@ import (
 	"github.com/astaxie/beego/context"
 )
 
-//var chromeCtx ctx.Context
+// var chromeCtx ctx.Context
 var chromeCtxPool *SsrPool
-var isChromeInstalled bool
-var isChromeInit bool
+
+var (
+	isChromeInstalled bool
+	isChromeInit      bool
+)
 
 type PageCache struct {
 	time time.Time
diff --git a/routers/router.go b/routers/router.go
index 947dafe7..cc95cfb4 100644
--- a/routers/router.go
+++ b/routers/router.go
@@ -24,12 +24,11 @@ func init() {
 }
 
 func initAPI() {
-	ns :=
-		beego.NewNamespace("/api",
-			beego.NSInclude(
-				&controllers.ApiController{},
-			),
-		)
+	ns := beego.NewNamespace("/api",
+		beego.NSInclude(
+			&controllers.ApiController{},
+		),
+	)
 	beego.AddNamespace(ns)
 
 	beego.Router("/api/get-topics", &controllers.ApiController{}, "GET:GetTopics")
@@ -37,7 +36,7 @@ func initAPI() {
 	beego.Router("/api/get-topic", &controllers.ApiController{}, "GET:GetTopic")
 	beego.Router("/api/get-topic-admin", &controllers.ApiController{}, "GET:GetTopicAdmin")
 	beego.Router("/api/get-topic-by-urlpath-and-title", &controllers.ApiController{}, "GET:GetTopicByUrlPathAndTitle")
-	//beego.Router("/api/update-topic", &controllers.ApiController{}, "POST:UpdateTopic") // no necessary to explore this api.
+	// beego.Router("/api/update-topic", &controllers.ApiController{}, "POST:UpdateTopic") // no necessary to explore this api.
 	beego.Router("/api/add-topic", &controllers.ApiController{}, "POST:AddTopic")
 	beego.Router("/api/delete-topic", &controllers.ApiController{}, "POST:DeleteTopic")
 	beego.Router("/api/translate-topic", &controllers.ApiController{}, "POST:TranslateTopic")
@@ -80,12 +79,12 @@ func initAPI() {
 	beego.Router("/api/get-ranking-rich", &controllers.ApiController{}, "GET:GetRankingRich")
 	beego.Router("/api/get-ranking-player", &controllers.ApiController{}, "GET:GetRankingPlayer")
 
-	beego.Router("/api/update-poster", &controllers.ApiController{}, "POST:UpdatePoster") //Update poster api just for admin.
+	beego.Router("/api/update-poster", &controllers.ApiController{}, "POST:UpdatePoster") // Update poster api just for admin.
 	beego.Router("/api/read-poster", &controllers.ApiController{}, "GET:ReadPoster")
 
-	beego.Router("/api/update-translator", &controllers.ApiController{}, "POST:UpdateTranslator") //Update translator api just for admin.
-	beego.Router("/api/add-translator", &controllers.ApiController{}, "POST:AddTranslator")       //Add translator api just for admin.
-	beego.Router("/api/del-translator", &controllers.ApiController{}, "POST:DelTranslator")       //Delete translator api just for admin.
+	beego.Router("/api/update-translator", &controllers.ApiController{}, "POST:UpdateTranslator") // Update translator api just for admin.
+	beego.Router("/api/add-translator", &controllers.ApiController{}, "POST:AddTranslator")       // Add translator api just for admin.
+	beego.Router("/api/del-translator", &controllers.ApiController{}, "POST:DelTranslator")       // Delete translator api just for admin.
 	beego.Router("/api/get-translator", &controllers.ApiController{}, "GET:GetTranslator")
 	beego.Router("/api/visible-translator", &controllers.ApiController{}, "GET:VisibleTranslator")
 
@@ -130,7 +129,7 @@ func initAPI() {
 
 	beego.Router("/api/get-plane", &controllers.ApiController{}, "GET:GetPlane")
 	beego.Router("/api/get-plane-admin", &controllers.ApiController{}, "GET:GetPlaneAdmin")
-	//beego.Router("/api/get-planes", &controllers.ApiController{}, "GET:GetPlanes")
+	// beego.Router("/api/get-planes", &controllers.ApiController{}, "GET:GetPlanes")
 	beego.Router("/api/add-plane", &controllers.ApiController{}, "POST:AddPlane") // Add plane api just for admin.
 	beego.Router("/api/get-plane-list", &controllers.ApiController{}, "GET:GetPlaneList")
 	beego.Router("/api/update-plane", &controllers.ApiController{}, "POST:UpdatePlane") // Update plane api just for admin.
diff --git a/routers/ssr_pool.go b/routers/ssr_pool.go
index 7899d6f6..f1591b20 100644
--- a/routers/ssr_pool.go
+++ b/routers/ssr_pool.go
@@ -90,10 +90,10 @@ func render(chromeCtx ctx.Context, url string) (string, error) {
 }
 
 func (pool *SsrPool) worker() {
-	//chromeCtx, _ := chromedp.NewExecAllocator(ctx.Background(), append(
+	// chromeCtx, _ := chromedp.NewExecAllocator(ctx.Background(), append(
 	//	chromedp.DefaultExecAllocatorOptions[:],
 	//	chromedp.Flag("headless", false))...)
-	//chromeCtx, _ = chromedp.NewContext(chromeCtx)
+	// chromeCtx, _ = chromedp.NewContext(chromeCtx)
 	chromeCtx, _ := chromedp.NewContext(ctx.Background()) // set default context with headless mode
 	for task := range pool.JobsChannel {
 		cancel := func() bool {
diff --git a/service/tokenizer.go b/service/tokenizer.go
index 52f5dd57..738f2d20 100644
--- a/service/tokenizer.go
+++ b/service/tokenizer.go
@@ -57,7 +57,7 @@ func Keyword(word []string) []string {
 		for _, v := range word {
 			wordnum[v] = wordnum[v] + 1
 		}
-		for s, _ := range wordnum {
+		for s := range wordnum {
 			words = append(words, s)
 		}
 		if len(wordnum) < 5 {
diff --git a/util/log.go b/util/log.go
index e699f50f..ab717625 100644
--- a/util/log.go
+++ b/util/log.go
@@ -36,7 +36,7 @@ func GetIPInfo(clientIP string) string {
 		ip := strings.TrimSpace(ips[i])
 		desc := "" // GetDescFromIP(ip)
 		ipstr := fmt.Sprintf("%s: %s", ip, desc)
-		if i != len(ips) - 1 {
+		if i != len(ips)-1 {
 			res += ipstr + " -> "
 		} else {
 			res += ipstr
@@ -65,12 +65,12 @@ func getIPFromRequest(req *http.Request) string {
 
 func LogInfo(ctx *context.Context, f string, v ...interface{}) {
 	ipString := fmt.Sprintf("(%s) ", getIPFromRequest(ctx.Request))
-	logs.Info(ipString + f, v...)
+	logs.Info(ipString+f, v...)
 }
 
 func LogWarning(ctx *context.Context, f string, v ...interface{}) {
 	ipString := fmt.Sprintf("(%s) ", getIPFromRequest(ctx.Request))
-	logs.Warning(ipString + f, v...)
+	logs.Warning(ipString+f, v...)
 }
 
 func ReadLog() []string {
diff --git a/util/string.go b/util/string.go
index 5b7eb203..02d56e81 100644
--- a/util/string.go
+++ b/util/string.go
@@ -45,7 +45,7 @@ func ReadStringFromPath(path string) string {
 }
 
 func WriteStringToPath(s string, path string) {
-	err := ioutil.WriteFile(path, []byte(s), 0644)
+	err := ioutil.WriteFile(path, []byte(s), 0o644)
 	if err != nil {
 		panic(err)
 	}