diff --git a/cmd/serve.go b/cmd/serve.go
index 5eac51f5e4..f7b0d2045d 100644
--- a/cmd/serve.go
+++ b/cmd/serve.go
@@ -5,7 +5,6 @@
 package cmd
 
 import (
-	//"container/list"
 	"fmt"
 	"os"
 	"os/exec"
@@ -16,24 +15,10 @@ import (
 	"github.com/codegangsta/cli"
 	qlog "github.com/qiniu/log"
 
-	//"github.com/gogits/git"
 	"github.com/gogits/gogs/models"
 	"github.com/gogits/gogs/modules/base"
 )
 
-var (
-	COMMANDS_READONLY = map[string]int{
-		"git-upload-pack":    models.AU_WRITABLE,
-		"git upload-pack":    models.AU_WRITABLE,
-		"git-upload-archive": models.AU_WRITABLE,
-	}
-
-	COMMANDS_WRITE = map[string]int{
-		"git-receive-pack": models.AU_READABLE,
-		"git receive-pack": models.AU_READABLE,
-	}
-)
-
 var CmdServ = cli.Command{
 	Name:        "serv",
 	Usage:       "This command should only be called by SSH shell",
@@ -42,8 +27,7 @@ var CmdServ = cli.Command{
 	Flags:       []cli.Flag{},
 }
 
-func newLogger(execDir string) {
-	logPath := execDir + "/log/serv.log"
+func newLogger(logPath string) {
 	os.MkdirAll(path.Dir(logPath), os.ModePerm)
 
 	f, err := os.OpenFile(logPath, os.O_WRONLY|os.O_APPEND|os.O_CREATE, os.ModePerm)
@@ -56,6 +40,20 @@ func newLogger(execDir string) {
 	qlog.Info("Start logging serv...")
 }
 
+func setup(logPath string) {
+	execDir, _ := base.ExecDir()
+	newLogger(path.Join(execDir, logPath))
+
+	base.NewConfigContext()
+	models.LoadModelsConfig()
+
+	if models.UseSQLite3 {
+		os.Chdir(execDir)
+	}
+
+	models.SetEngine()
+}
+
 func parseCmd(cmd string) (string, string) {
 	ss := strings.SplitN(cmd, " ", 2)
 	if len(ss) != 2 {
@@ -71,39 +69,46 @@ func parseCmd(cmd string) (string, string) {
 	return verb, strings.Replace(args, "'/", "'", 1)
 }
 
+var (
+	COMMANDS_READONLY = map[string]int{
+		"git-upload-pack":    models.AU_WRITABLE,
+		"git upload-pack":    models.AU_WRITABLE,
+		"git-upload-archive": models.AU_WRITABLE,
+	}
+
+	COMMANDS_WRITE = map[string]int{
+		"git-receive-pack": models.AU_READABLE,
+		"git receive-pack": models.AU_READABLE,
+	}
+)
+
 func In(b string, sl map[string]int) bool {
 	_, e := sl[b]
 	return e
 }
 
 func runServ(k *cli.Context) {
-	execDir, _ := base.ExecDir()
-	newLogger(execDir)
-
-	base.NewConfigContext()
-	models.LoadModelsConfig()
-
-	if models.UseSQLite3 {
-		os.Chdir(execDir)
-	}
-
-	models.SetEngine()
+	setup("log/serv.log")
 
 	keys := strings.Split(os.Args[2], "-")
 	if len(keys) != 2 {
-		println("auth file format error")
-		qlog.Fatal("auth file format error")
+		println("Gogs: auth file format error")
+		qlog.Fatal("Invalid auth file format: %s", os.Args[2])
 	}
 
 	keyId, err := strconv.ParseInt(keys[1], 10, 64)
 	if err != nil {
-		println("auth file format error")
-		qlog.Fatal("auth file format error", err)
+		println("Gogs: auth file format error")
+		qlog.Fatalf("Invalid auth file format: %v", err)
 	}
 	user, err := models.GetUserByKeyId(keyId)
 	if err != nil {
-		println("You have no right to access")
-		qlog.Fatalf("SSH visit error: %v", err)
+		if err == models.ErrUserNotKeyOwner {
+			println("Gogs: you are not the owner of SSH key")
+			qlog.Fatalf("Invalid owner of SSH key: %d", keyId)
+		}
+		println("Gogs: internal error:", err)
+		qlog.Fatalf("Fail to get user by key ID(%d): %v", keyId, err)
 	}
 
 	cmd := os.Getenv("SSH_ORIGINAL_COMMAND")
@@ -116,8 +121,8 @@ func runServ(k *cli.Context) {
 	repoPath := strings.Trim(args, "'")
 	rr := strings.SplitN(repoPath, "/", 2)
 	if len(rr) != 2 {
-		println("Unavailable repository", args)
-		qlog.Fatalf("Unavailable repository %v", args)
+		println("Gogs: unavailable repository", args)
+		qlog.Fatalf("Unavailable repository: %v", args)
 	}
 	repoUserName := rr[0]
 	repoName := strings.TrimSuffix(rr[1], ".git")
@@ -127,17 +132,21 @@ func runServ(k *cli.Context) {
 
 	repoUser, err := models.GetUserByName(repoUserName)
 	if err != nil {
-		println("You have no right to access")
-		qlog.Fatalf("Get user failed: %v", err)
+		if err == models.ErrUserNotExist {
+			println("Gogs: given repository owner are not registered")
+			qlog.Fatalf("Unregistered owner: %s", repoUserName)
+		}
+		println("Gogs: internal error:", err)
+		qlog.Fatalf("Fail to get repository owner(%s): %v", repoUserName, err)
 	}
 
-	// access check
+	// Access check.
 	switch {
 	case isWrite:
-		has, err := models.HasAccess(user.LowerName, path.Join(repoUserName, repoName), models.AU_WRITABLE)
+		has, err := models.HasAccess(user.Name, path.Join(repoUserName, repoName), models.AU_WRITABLE)
 		if err != nil {
-			println("Internal error:", err)
-			qlog.Fatal(err)
+			println("Gogs: internal error:", err)
+			qlog.Fatal("Fail to check write access:", err)
 		} else if !has {
 			println("You have no right to write this repository")
 			qlog.Fatalf("User %s has no right to write repository %s", user.Name, repoPath)
@@ -145,8 +154,12 @@ func runServ(k *cli.Context) {
 	case isRead:
 		repo, err := models.GetRepositoryByName(repoUser.Id, repoName)
 		if err != nil {
-			println("Get repository error:", err)
-			qlog.Fatal("Get repository error: " + err.Error())
+			if err == models.ErrRepoNotExist {
+				println("Gogs: given repository does not exist")
+				qlog.Fatalf("Repository does not exist: %s/%s", repoUser.Name, repoName)
+			}
+			println("Gogs: internal error:", err)
+			qlog.Fatalf("Fail to get repository: %v", err)
 		}
 
 		if !repo.IsPrivate {
@@ -155,23 +168,15 @@ func runServ(k *cli.Context) {
 
 		has, err := models.HasAccess(user.Name, path.Join(repoUserName, repoName), models.AU_READABLE)
 		if err != nil {
-			println("Internal error")
-			qlog.Fatal(err)
-		}
-		if !has {
-			has, err = models.HasAccess(user.Name, path.Join(repoUserName, repoName), models.AU_WRITABLE)
-			if err != nil {
-				println("Internal error")
-				qlog.Fatal(err)
-			}
-		}
-		if !has {
+			println("Gogs: internal error:", err)
+			qlog.Fatal("Fail to check read access:", err)
+		} else if !has {
 			println("You have no right to access this repository")
-			qlog.Fatal("You have no right to access this repository")
+			qlog.Fatalf("User %s has no right to read repository %s", user.Name, repoPath)
 		}
 	default:
 		println("Unknown command")
-		qlog.Fatal("Unknown command")
+		return
 	}
 
 	models.SetRepoEnvs(user.Id, user.Name, repoName, repoUserName)
@@ -183,8 +188,8 @@ func runServ(k *cli.Context) {
 	gitcmd.Stderr = os.Stderr
 
 	if err = gitcmd.Run(); err != nil {
-		println("execute command error:", err.Error())
-		qlog.Fatal("execute command error: " + err.Error())
+		println("Gogs: internal error:", err)
+		qlog.Fatalf("Fail to execute git command: %v", err)
 	}
 
 	//refName := os.Getenv("refName")
diff --git a/cmd/update.go b/cmd/update.go
index 1ab08ca194..cae492cfb1 100644
--- a/cmd/update.go
+++ b/cmd/update.go
@@ -6,14 +6,12 @@ package cmd
 
 import (
 	"os"
-	"path"
 	"strconv"
 
 	"github.com/codegangsta/cli"
 	qlog "github.com/qiniu/log"
 
 	"github.com/gogits/gogs/models"
-	"github.com/gogits/gogs/modules/base"
 )
 
 var CmdUpdate = cli.Command{
@@ -24,51 +22,25 @@ var CmdUpdate = cli.Command{
 	Flags:       []cli.Flag{},
 }
 
-func newUpdateLogger(execDir string) {
-	logPath := execDir + "/log/update.log"
-	os.MkdirAll(path.Dir(logPath), os.ModePerm)
-
-	f, err := os.OpenFile(logPath, os.O_WRONLY|os.O_APPEND|os.O_CREATE, os.ModePerm)
-	if err != nil {
-		qlog.Fatal(err)
-	}
-
-	qlog.SetOutput(f)
-	qlog.Info("Start logging update...")
-}
-
 func updateEnv(refName, oldCommitId, newCommitId string) {
 	os.Setenv("refName", refName)
 	os.Setenv("oldCommitId", oldCommitId)
 	os.Setenv("newCommitId", newCommitId)
-	qlog.Error("set envs:", refName, oldCommitId, newCommitId)
+	qlog.Info("set envs:", refName, oldCommitId, newCommitId)
 }
 
-// for command: ./gogs update
 func runUpdate(c *cli.Context) {
 	cmd := os.Getenv("SSH_ORIGINAL_COMMAND")
 	if cmd == "" {
 		return
 	}
 
-	execDir, _ := base.ExecDir()
-	newUpdateLogger(execDir)
-
-	base.NewConfigContext()
-	models.LoadModelsConfig()
-
-	if models.UseSQLite3 {
-		os.Chdir(execDir)
-	}
-
-	models.SetEngine()
+	setup("log/update.log")
 
 	args := c.Args()
 	if len(args) != 3 {
 		qlog.Fatal("received less 3 parameters")
-	}
-
-	if args[0] == "" {
+	} else if args[0] == "" {
 		qlog.Fatal("refName is empty, shouldn't use")
 	}
 
diff --git a/cmd/web.go b/cmd/web.go
index 3335c53963..60bef9d035 100644
--- a/cmd/web.go
+++ b/cmd/web.go
@@ -78,16 +78,18 @@ func runWeb(*cli.Context) {
 	m.Get("/stars", reqSignIn, user.Stars)
 	m.Get("/help", routers.Help)
 
-	m.Group("/api/v1", func(r martini.Router) {
-		// Miscellaneous.
-		r.Post("/markdown", bindIgnErr(apiv1.MarkdownForm{}), v1.Markdown)
-		r.Post("/markdown/raw", v1.MarkdownRaw)
+	m.Group("/api", func(r martini.Router) {
+		m.Group("/v1", func(r martini.Router) {
+			// Miscellaneous.
+			r.Post("/markdown", bindIgnErr(apiv1.MarkdownForm{}), v1.Markdown)
+			r.Post("/markdown/raw", v1.MarkdownRaw)
 
-		// Users.
-		r.Get("/users/search", v1.SearchUser)
+			// Users.
+			r.Get("/users/search", v1.SearchUser)
 
-		r.Any("**", func(ctx *middleware.Context) {
-			ctx.JSON(404, &base.ApiJsonErr{"Not Found", v1.DOC_URL})
+			r.Any("**", func(ctx *middleware.Context) {
+				ctx.JSON(404, &base.ApiJsonErr{"Not Found", v1.DOC_URL})
+			})
 		})
 	})
 
@@ -170,29 +172,36 @@ func runWeb(*cli.Context) {
 	m.Group("/:username/:reponame", func(r martini.Router) {
 		r.Get("/settings", repo.Setting)
 		r.Post("/settings", bindIgnErr(auth.RepoSettingForm{}), repo.SettingPost)
-		r.Get("/settings/collaboration", repo.Collaboration)
-		r.Post("/settings/collaboration", repo.CollaborationPost)
-		r.Get("/settings/hooks", repo.WebHooks)
-		r.Get("/settings/hooks/add", repo.WebHooksAdd)
-		r.Post("/settings/hooks/add", bindIgnErr(auth.NewWebhookForm{}), repo.WebHooksAddPost)
-		r.Get("/settings/hooks/:id", repo.WebHooksEdit)
-		r.Post("/settings/hooks/:id", bindIgnErr(auth.NewWebhookForm{}), repo.WebHooksEditPost)
+
+		m.Group("/settings", func(r martini.Router) {
+			r.Get("/collaboration", repo.Collaboration)
+			r.Post("/collaboration", repo.CollaborationPost)
+			r.Get("/hooks", repo.WebHooks)
+			r.Get("/hooks/add", repo.WebHooksAdd)
+			r.Post("/hooks/add", bindIgnErr(auth.NewWebhookForm{}), repo.WebHooksAddPost)
+			r.Get("/hooks/:id", repo.WebHooksEdit)
+			r.Post("/hooks/:id", bindIgnErr(auth.NewWebhookForm{}), repo.WebHooksEditPost)
+		})
 	}, reqSignIn, middleware.RepoAssignment(true), reqOwner)
 
 	m.Group("/:username/:reponame", func(r martini.Router) {
 		r.Get("/action/:action", repo.Action)
-		r.Get("/issues/new", repo.CreateIssue)
-		r.Post("/issues/new", bindIgnErr(auth.CreateIssueForm{}), repo.CreateIssuePost)
-		r.Post("/issues/:index", bindIgnErr(auth.CreateIssueForm{}), repo.UpdateIssue)
-		r.Post("/issues/:index/assignee", repo.UpdateAssignee)
-		r.Post("/issues/:index/milestone", repo.UpdateIssueMilestone)
-		r.Post("/issues/labels/new", bindIgnErr(auth.CreateLabelForm{}), repo.NewLabel)
-		r.Get("/issues/milestones", repo.Milestones)
-		r.Get("/issues/milestones/new", repo.NewMilestone)
-		r.Post("/issues/milestones/new", bindIgnErr(auth.CreateMilestoneForm{}), repo.NewMilestonePost)
-		r.Get("/issues/milestones/:index/edit", repo.UpdateMilestone)
-		r.Post("/issues/milestones/:index/edit", bindIgnErr(auth.CreateMilestoneForm{}), repo.UpdateMilestonePost)
-		r.Get("/issues/milestones/:index/:action", repo.UpdateMilestone)
+
+		m.Group("/issues", func(r martini.Router) {
+			r.Get("/new", repo.CreateIssue)
+			r.Post("/new", bindIgnErr(auth.CreateIssueForm{}), repo.CreateIssuePost)
+			r.Post("/:index", bindIgnErr(auth.CreateIssueForm{}), repo.UpdateIssue)
+			r.Post("/:index/assignee", repo.UpdateAssignee)
+			r.Post("/:index/milestone", repo.UpdateIssueMilestone)
+			r.Post("/labels/new", bindIgnErr(auth.CreateLabelForm{}), repo.NewLabel)
+			r.Get("/milestones", repo.Milestones)
+			r.Get("/milestones/new", repo.NewMilestone)
+			r.Post("/milestones/new", bindIgnErr(auth.CreateMilestoneForm{}), repo.NewMilestonePost)
+			r.Get("/milestones/:index/edit", repo.UpdateMilestone)
+			r.Post("/milestones/:index/edit", bindIgnErr(auth.CreateMilestoneForm{}), repo.UpdateMilestonePost)
+			r.Get("/milestones/:index/:action", repo.UpdateMilestone)
+		})
+
 		r.Post("/comment/:action", repo.Comment)
 		r.Get("/releases/new", repo.ReleasesNew)
 	}, reqSignIn, middleware.RepoAssignment(true))
diff --git a/gogs.go b/gogs.go
index ca00fb5088..16fd5ec768 100644
--- a/gogs.go
+++ b/gogs.go
@@ -17,7 +17,7 @@ import (
 	"github.com/gogits/gogs/modules/base"
 )
 
-const APP_VER = "0.3.5.0518 Alpha"
+const APP_VER = "0.3.5.0521 Alpha"
 
 func init() {
 	base.AppVer = APP_VER
diff --git a/models/user.go b/models/user.go
index dd0498501f..6f1400277d 100644
--- a/models/user.go
+++ b/models/user.go
@@ -30,6 +30,7 @@ var (
 	ErrUserOwnRepos          = errors.New("User still have ownership of repositories")
 	ErrUserAlreadyExist      = errors.New("User already exist")
 	ErrUserNotExist          = errors.New("User does not exist")
+	ErrUserNotKeyOwner       = errors.New("User does not the owner of public key")
 	ErrEmailAlreadyUsed      = errors.New("E-mail already used")
 	ErrUserNameIllegal       = errors.New("User name contains illegal characters")
 	ErrLoginSourceNotExist   = errors.New("Login source does not exist")
@@ -349,8 +350,7 @@ func GetUserByKeyId(keyId int64) (*User, error) {
 	if err != nil {
 		return nil, err
 	} else if !has {
-		err = errors.New("not exist key owner")
-		return nil, err
+		return nil, ErrUserNotKeyOwner
 	}
 	return user, nil
 }
diff --git a/modules/base/template.go b/modules/base/template.go
index b9449e30af..5aa8ac5cc8 100644
--- a/modules/base/template.go
+++ b/modules/base/template.go
@@ -10,6 +10,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"html/template"
+	"runtime"
 	"strings"
 	"time"
 )
@@ -47,6 +48,9 @@ var mailDomains = map[string]string{
 }
 
 var TemplateFuncs template.FuncMap = map[string]interface{}{
+	"GoVer": func() string {
+		return runtime.Version()
+	},
 	"AppName": func() string {
 		return AppName
 	},
diff --git a/templates/base/footer.tmpl b/templates/base/footer.tmpl
index b3e3368b44..aed5f488d2 100644
--- a/templates/base/footer.tmpl
+++ b/templates/base/footer.tmpl
@@ -15,9 +15,17 @@
 	        </div>
 
 	    	<div class="col-md-4">
-	        	<p class="desc"><a href="http://gogs.io">Official Website</a></p>
+	        	<p class="desc">
+	        		<a href="http://gogs.io">Official Website</a>
+	        	</p>
 	        </div>
     	</div>
+
+    	<div class="row">
+	    	<div class="col-md-6">
+    			Go Version: {{GoVer}}
+    		</div>
+    	</div>
     </div>
 </footer>
 </body>