diff --git a/api/project.go b/api/project.go
index da26b8a0a..fdbce7591 100644
--- a/api/project.go
+++ b/api/project.go
@@ -18,7 +18,7 @@ package api
 import (
 	"fmt"
 	"net/http"
-	"strings"
+	"regexp"
 
 	"github.com/vmware/harbor/dao"
 	"github.com/vmware/harbor/models"
@@ -285,19 +285,13 @@ func isProjectAdmin(userID int, pid int64) bool {
 
 func validateProjectReq(req projectReq) error {
 	pn := req.ProjectName
-	if len(pn) == 0 {
-		return fmt.Errorf("Project name can not be empty")
-	}
 	if isIllegalLength(req.ProjectName, projectNameMinLen, projectNameMaxLen) {
-		return fmt.Errorf("project name is illegal in length. (greater than 4 or less than 30)")
+		return fmt.Errorf("Project name is illegal in length. (greater than 4 or less than 30)")
 	}
-	if isContainIllegalChar(req.ProjectName, []string{"~", "-", "$", "\\", "[", "]", "{", "}", "(", ")", "&", "^", "%", "*", "<", ">", "\"", "'", "/", "?", "@"}) {
-		return fmt.Errorf("project name contains illegal characters")
+	validProjectName := regexp.MustCompile(`^[a-z0-9](?:-*[a-z0-9])*(?:[._][a-z0-9](?:-*[a-z0-9])*)*$`)
+	legal := validProjectName.MatchString(pn)
+	if !legal {
+		return fmt.Errorf("Project name is not in lower case or contains illegal characters!")
 	}
-
-	if pn != strings.ToLower(pn) {
-		return fmt.Errorf("project name must be in lower case")
-	}
-
 	return nil
 }
diff --git a/controllers/password.go b/controllers/password.go
index f285e64a9..b1dc3becc 100644
--- a/controllers/password.go
+++ b/controllers/password.go
@@ -59,7 +59,7 @@ func (cc *CommonController) SendEmail() {
 			cc.CustomAbort(http.StatusInternalServerError, "Internal error.")
 		}
 		err = messageTemplate.Execute(message, messageDetail{
-			Hint: cc.Tr("reset_email_hint"),
+			Hint: cc.Tr("Warning: You're receiving this because you're requesting for changing password in Harbor, if it is not your operation, please ignore; otherwise, please click the link below"),
 			URL:  harborURL,
 			UUID: uuid,
 		})
diff --git a/dao/accesslog.go b/dao/accesslog.go
index b407acb37..930607701 100644
--- a/dao/accesslog.go
+++ b/dao/accesslog.go
@@ -150,14 +150,44 @@ func GetRecentLogs(userID, linesNum int, startTime, endTime string) ([]models.Ac
 func GetTopRepos(countNum int) ([]models.TopRepo, error) {
 
 	o := GetOrmer()
-
-	sql := "select repo_name, COUNT(repo_name) as access_count from access_log left join project on access_log.project_id=project.project_id where project.public = 1 and access_log.operation = 'pull' group by repo_name order by access_count desc limit ? "
-	queryParam := make([]interface{}, 1)
+	// hide the where condition: project.public = 1, Can add to the sql when necessary.
+	sql := "select repo_name, COUNT(repo_name) as access_count from access_log left join project on access_log.project_id=project.project_id where access_log.operation = 'pull' group by repo_name order by access_count desc limit ? "
+	queryParam := []interface{}{}
 	queryParam = append(queryParam, countNum)
-	var lists []models.TopRepo
-	_, err := o.Raw(sql, queryParam).QueryRows(&lists)
+	var list []models.TopRepo
+	_, err := o.Raw(sql, queryParam).QueryRows(&list)
 	if err != nil {
 		return nil, err
 	}
-	return lists, nil
+	if len(list) == 0 {
+		return list, nil
+	}
+	placeHolder := make([]string, len(list))
+	repos := make([]string, len(list))
+	for i, v := range list {
+		repos[i] = v.RepoName
+		placeHolder[i] = "?"
+	}
+	placeHolderStr := strings.Join(placeHolder, ",")
+	queryParam = nil
+	queryParam = append(queryParam, repos)
+	var usrnameList []models.TopRepo
+	sql = `select a.username as creator, a.repo_name from (select access_log.repo_name, user.username,
+	access_log.op_time from user left join access_log on user.user_id = access_log.user_id where 
+	access_log.operation = 'push' and access_log.repo_name in (######) order by access_log.repo_name,
+	access_log.op_time ASC) a group by a.repo_name`
+	sql = strings.Replace(sql, "######", placeHolderStr, 1)
+	_, err = o.Raw(sql, queryParam).QueryRows(&usrnameList)
+	if err != nil {
+		return nil, err
+	}
+	for i := 0; i < len(list); i++ {
+		for _, v := range usrnameList {
+			if v.RepoName == list[i].RepoName {
+				list[i].Creator = v.Creator
+				break
+			}
+		}
+	}
+	return list, nil
 }
diff --git a/models/toprepo.go b/models/toprepo.go
index 14bcffa66..6ccb46227 100644
--- a/models/toprepo.go
+++ b/models/toprepo.go
@@ -19,4 +19,5 @@ package models
 type TopRepo struct {
 	RepoName    string `json:"name"`
 	AccessCount int64  `json:"count"`
+	Creator     string `json:"creator"`
 }
diff --git a/ui/router.go b/ui/router.go
index 39ad9bae6..4fe8a4184 100644
--- a/ui/router.go
+++ b/ui/router.go
@@ -81,8 +81,7 @@ func initRouters() {
 	beego.Router("/api/targets/ping", &api.TargetAPI{}, "post:Ping")
 	beego.Router("/api/users/:id/sysadmin", &api.UserAPI{}, "put:ToggleUserAdminRole")
 	beego.Router("/api/repositories/top", &api.RepositoryAPI{}, "get:GetTopRepos")
-	beego.Router("api/logs", &api.LogAPI{})
-
+	beego.Router("/api/logs", &api.LogAPI{})
 	//external service that hosted on harbor process:
 	beego.Router("/service/notifications", &service.NotificationHandler{})
 	beego.Router("/service/token", &token.Handler{})