diff --git a/README.md b/README.md
index 888708191..d34aa5a68 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Gogs(Go Git Service) is a Self Hosted Git Service in the Go Programming Language
 
 ![Demo](http://gowalker.org/public/gogs_demo.gif)
 
-##### Current version: 0.4.2 Alpha
+##### Current version: 0.4.3 Alpha
 
 ### NOTICES
 
diff --git a/README_ZH.md b/README_ZH.md
index 84af15a6a..ebffa33ef 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -5,7 +5,7 @@ Gogs(Go Git Service) 是一个由 Go 语言编写的自助 Git 托管服务。
 
 ![Demo](http://gowalker.org/public/gogs_demo.gif)
 
-##### 当前版本：0.4.2 Alpha
+##### 当前版本：0.4.3 Alpha
 
 ## 开发目的
 
diff --git a/cmd/fix.go b/cmd/fix.go
index 3c2278ba9..95ab3ae66 100644
--- a/cmd/fix.go
+++ b/cmd/fix.go
@@ -5,10 +5,16 @@
 package cmd
 
 import (
+	"bufio"
 	"fmt"
+	"io"
+	"io/ioutil"
 	"os"
+	"path"
+	"strings"
 
 	"github.com/codegangsta/cli"
+
 	"github.com/gogits/gogs/models"
 	"github.com/gogits/gogs/modules/setting"
 )
@@ -16,28 +22,152 @@ import (
 var CmdFix = cli.Command{
 	Name:        "fix",
 	Usage:       "This command for upgrade from old version",
-	Description: `Fix provide upgrade from old version`,
 	Action:      runFix,
+	Subcommands: fixCommands,
 	Flags:       []cli.Flag{},
 }
 
-func runFix(k *cli.Context) {
-	workDir, _ := setting.WorkDir()
-	newLogger(workDir)
-
-	setting.NewConfigContext()
-	models.LoadModelsConfig()
-
-	if models.UseSQLite3 {
-		os.Chdir(workDir)
-	}
-
-	models.SetEngine()
-
-	err := models.Fix()
-	if err != nil {
-		fmt.Println(err)
-	} else {
-		fmt.Println("Fix successfully!")
-	}
+func runFix(ctx *cli.Context) {
+}
+
+var fixCommands = []cli.Command{
+	{
+		Name:  "location",
+		Usage: "Change Gogs app location",
+		Description: `Command location fixes location change of Gogs
+
+gogs fix location <old Gogs path>
+`,
+		Action: runFixLocation,
+	},
+}
+
+// rewriteAuthorizedKeys replaces old Gogs path to the new one.
+func rewriteAuthorizedKeys(sshPath, oldPath, newPath string) error {
+	fr, err := os.Open(sshPath)
+	if err != nil {
+		return err
+	}
+	defer fr.Close()
+
+	tmpPath := sshPath + ".tmp"
+	fw, err := os.Create(tmpPath)
+	if err != nil {
+		return err
+	}
+	defer fw.Close()
+
+	oldPath = "command=\"" + oldPath + " serv"
+	newPath = "command=\"" + newPath + " serv"
+	buf := bufio.NewReader(fr)
+	for {
+		line, errRead := buf.ReadString('\n')
+		line = strings.TrimSpace(line)
+
+		if errRead != nil {
+			if errRead != io.EOF {
+				return errRead
+			}
+
+			// Reached end of file, if nothing to read then break,
+			// otherwise handle the last line.
+			if len(line) == 0 {
+				break
+			}
+		}
+
+		// Still finding the line, copy the line that currently read.
+		if _, err = fw.WriteString(strings.Replace(line, oldPath, newPath, 1) + "\n"); err != nil {
+			return err
+		}
+
+		if errRead == io.EOF {
+			break
+		}
+	}
+
+	if err = os.Remove(sshPath); err != nil {
+		return err
+	}
+	return os.Rename(tmpPath, sshPath)
+}
+
+func rewriteUpdateHook(path, appPath string) error {
+	rp := strings.NewReplacer("\\", "/", " ", "\\ ")
+	if err := ioutil.WriteFile(path, []byte(fmt.Sprintf(models.TPL_UPDATE_HOOK,
+		setting.ScriptType, rp.Replace(appPath))), os.ModePerm); err != nil {
+		return err
+	}
+	return nil
+}
+
+func walkDir(rootPath, recPath, appPath string, depth int) error {
+	depth++
+	if depth > 3 {
+		return nil
+	} else if depth == 3 {
+		if err := rewriteUpdateHook(path.Join(rootPath, "hooks/update"), appPath); err != nil {
+			return err
+		}
+	}
+
+	dir, err := os.Open(rootPath)
+	if err != nil {
+		return err
+	}
+	defer dir.Close()
+
+	fis, err := dir.Readdir(0)
+	if err != nil {
+		return err
+	}
+
+	for _, fi := range fis {
+		if strings.Contains(fi.Name(), ".DS_Store") {
+			continue
+		}
+
+		relPath := path.Join(recPath, fi.Name())
+		curPath := path.Join(rootPath, fi.Name())
+		if fi.IsDir() {
+			if err = walkDir(curPath, relPath, appPath, depth); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func runFixLocation(ctx *cli.Context) {
+	if len(ctx.Args()) != 1 {
+		fmt.Println("Incorrect arguments number, expect 1")
+		os.Exit(2)
+	}
+
+	execPath, _ := setting.ExecPath()
+
+	oldPath := ctx.Args().First()
+	fmt.Printf("Old location: %s\n", oldPath)
+	fmt.Println("This command should be executed in the new Gogs path")
+	fmt.Printf("Do you want to change Gogs app path from old location to:\n")
+	fmt.Printf("-> %s?\n", execPath)
+	fmt.Print("Press <enter> to continue, use <Ctrl+c> to exit.")
+	fmt.Scanln()
+
+	// Fix in authorized_keys file.
+	sshPath := path.Join(models.SshPath, "authorized_keys")
+	fmt.Printf("Fixing pathes in file: %s\n", sshPath)
+	if err := rewriteAuthorizedKeys(sshPath, oldPath, execPath); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	// Fix position in gogs-repositories.
+	setting.NewConfigContext()
+	fmt.Printf("Fixing pathes in repositories: %s\n", setting.RepoRootPath)
+	if err := walkDir(setting.RepoRootPath, "", execPath, 0); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	fmt.Println("Fix position finished!")
 }
diff --git a/cmd/serve.go b/cmd/serve.go
index 302f8568e..3a17bf9f9 100644
--- a/cmd/serve.go
+++ b/cmd/serve.go
@@ -36,7 +36,6 @@ func newLogger(logPath string) {
 	}
 
 	qlog.SetOutput(f)
-	//qlog.SetOutputLevel(qlog.Ldebug)
 	qlog.Info("Start logging serv...")
 }
 
diff --git a/gogs.go b/gogs.go
index 8a633a305..41a71c72e 100644
--- a/gogs.go
+++ b/gogs.go
@@ -17,7 +17,7 @@ import (
 	"github.com/gogits/gogs/modules/setting"
 )
 
-const APP_VER = "0.4.2.0608 Alpha"
+const APP_VER = "0.4.3.0610 Alpha"
 
 func init() {
 	runtime.GOMAXPROCS(runtime.NumCPU())
@@ -31,10 +31,10 @@ func main() {
 	app.Version = APP_VER
 	app.Commands = []cli.Command{
 		cmd.CmdWeb,
-		// cmd.CmdFix,
-		cmd.CmdDump,
 		cmd.CmdServ,
 		cmd.CmdUpdate,
+		cmd.CmdFix,
+		cmd.CmdDump,
 	}
 	app.Flags = append(app.Flags, []cli.Flag{}...)
 	app.Run(os.Args)
diff --git a/models/models.go b/models/models.go
index dca77e00e..a59c05171 100644
--- a/models/models.go
+++ b/models/models.go
@@ -46,7 +46,9 @@ func LoadModelsConfig() {
 	DbCfg.Host = setting.Cfg.MustValue("database", "HOST")
 	DbCfg.Name = setting.Cfg.MustValue("database", "NAME")
 	DbCfg.User = setting.Cfg.MustValue("database", "USER")
-	DbCfg.Pwd = setting.Cfg.MustValue("database", "PASSWD")
+	if len(DbCfg.Pwd) == 0 {
+		DbCfg.Pwd = setting.Cfg.MustValue("database", "PASSWD")
+	}
 	DbCfg.SslMode = setting.Cfg.MustValue("database", "SSL_MODE")
 	DbCfg.Path = setting.Cfg.MustValue("database", "PATH", "data/gogs.db")
 }
@@ -67,7 +69,6 @@ func NewTestEngine(x *xorm.Engine) (err error) {
 		}
 		cnnstr := fmt.Sprintf("user=%s password=%s host=%s port=%s dbname=%s sslmode=%s",
 			DbCfg.User, DbCfg.Pwd, host, port, DbCfg.Name, DbCfg.SslMode)
-		//fmt.Println(cnnstr)
 		x, err = xorm.NewEngine("postgres", cnnstr)
 	case "sqlite3":
 		if !EnableSQLite3 {
diff --git a/models/publickey.go b/models/publickey.go
index 556db9649..76dc0cc74 100644
--- a/models/publickey.go
+++ b/models/publickey.go
@@ -37,7 +37,7 @@ var (
 var sshOpLocker = sync.Mutex{}
 
 var (
-	sshPath string // SSH directory.
+	SshPath string // SSH directory.
 	appPath string // Execution(binary) path.
 )
 
@@ -67,9 +67,9 @@ func init() {
 	}
 
 	// Determine and create .ssh path.
-	sshPath = filepath.Join(homeDir(), ".ssh")
-	if err = os.MkdirAll(sshPath, os.ModePerm); err != nil {
-		qlog.Fatalf("publickey.init(fail to create sshPath(%s)): %v\n", sshPath, err)
+	SshPath = filepath.Join(homeDir(), ".ssh")
+	if err = os.MkdirAll(SshPath, os.ModePerm); err != nil {
+		qlog.Fatalf("publickey.init(fail to create SshPath(%s)): %v\n", SshPath, err)
 	}
 }
 
@@ -94,7 +94,7 @@ func saveAuthorizedKeyFile(key *PublicKey) error {
 	sshOpLocker.Lock()
 	defer sshOpLocker.Unlock()
 
-	fpath := filepath.Join(sshPath, "authorized_keys")
+	fpath := filepath.Join(SshPath, "authorized_keys")
 	f, err := os.OpenFile(fpath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0600)
 	if err != nil {
 		return err
@@ -216,8 +216,8 @@ func DeletePublicKey(key *PublicKey) error {
 		return err
 	}
 
-	fpath := filepath.Join(sshPath, "authorized_keys")
-	tmpPath := filepath.Join(sshPath, "authorized_keys.tmp")
+	fpath := filepath.Join(SshPath, "authorized_keys")
+	tmpPath := filepath.Join(SshPath, "authorized_keys.tmp")
 	log.Trace("publickey.DeletePublicKey(authorized_keys): %s", fpath)
 
 	if err = rewriteAuthorizedKeys(key, fpath, tmpPath); err != nil {
diff --git a/models/repo.go b/models/repo.go
index deb25b2a9..3eca78c4b 100644
--- a/models/repo.go
+++ b/models/repo.go
@@ -28,6 +28,10 @@ import (
 	"github.com/gogits/gogs/modules/setting"
 )
 
+const (
+	TPL_UPDATE_HOOK = "#!/usr/bin/env %s\n%s update $1 $2 $3\n"
+)
+
 var (
 	ErrRepoAlreadyExist  = errors.New("Repository already exist")
 	ErrRepoNotExist      = errors.New("Repository does not exist")
@@ -450,7 +454,7 @@ func initRepository(f string, user *User, repo *Repository, initReadme bool, rep
 	rp := strings.NewReplacer("\\", "/", " ", "\\ ")
 	// hook/post-update
 	if err := createHookUpdate(filepath.Join(repoPath, "hooks", "update"),
-		fmt.Sprintf("#!/usr/bin/env %s\n%s update $1 $2 $3\n", setting.ScriptType,
+		fmt.Sprintf(TPL_UPDATE_HOOK, setting.ScriptType,
 			rp.Replace(appPath))); err != nil {
 		return err
 	}
diff --git a/modules/setting/setting.go b/modules/setting/setting.go
index 35c916513..73ec8ddd1 100644
--- a/modules/setting/setting.go
+++ b/modules/setting/setting.go
@@ -90,8 +90,7 @@ var (
 	RunUser    string
 )
 
-// WorkDir returns absolute path of work directory.
-func WorkDir() (string, error) {
+func ExecPath() (string, error) {
 	file, err := exec.LookPath(os.Args[0])
 	if err != nil {
 		return "", err
@@ -100,7 +99,13 @@ func WorkDir() (string, error) {
 	if err != nil {
 		return "", err
 	}
-	return path.Dir(strings.Replace(p, "\\", "/", -1)), nil
+	return p, nil
+}
+
+// WorkDir returns absolute path of work directory.
+func WorkDir() (string, error) {
+	execPath, err := ExecPath()
+	return path.Dir(strings.Replace(execPath, "\\", "/", -1)), err
 }
 
 // NewConfigContext initializes configuration context.
diff --git a/templates/VERSION b/templates/VERSION
index cf75962a8..dc83da786 100644
--- a/templates/VERSION
+++ b/templates/VERSION
@@ -1 +1 @@
-0.4.2.0608 Alpha
\ No newline at end of file
+0.4.3.0610 Alpha
\ No newline at end of file