diff --git a/app/main.go b/app/main.go
index c263a43..f5a2ca8 100644
--- a/app/main.go
+++ b/app/main.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"flag"
 	"log"
 	"net/http"
 	"os"
@@ -15,16 +16,27 @@ import (
 	"github.com/spf13/viper"
 )
 
+const (
+	// DefaultServerBind 默认运行地址
+	DefaultServerBind = "localhost:4869"
+)
+
 func main() {
 	log.Println("[INFO] ============ pink-lady ============")
 	workdir, err := os.Getwd()
 	if err != nil {
 		log.Fatal("[FATAL] ", err)
 	}
-	app := router.SetupRouter(workdir, "config")
+	configpath := flag.String("configpath", workdir, "path of config file")
+	configname := flag.String("configname", "config", "name of config file (no suffix)")
+	flag.Parse()
+	app := router.SetupRouter(*configpath, *configname)
 	apis.RegisterRoutes(app)
 
 	bind := viper.GetString("server.bind")
+	if bind == "" {
+		bind = DefaultServerBind
+	}
 	srv := &http.Server{
 		Addr:           bind,
 		Handler:        app,
diff --git a/app/middleware/basicauth.go b/app/middleware/basicauth.go
index 439695c..145d08f 100644
--- a/app/middleware/basicauth.go
+++ b/app/middleware/basicauth.go
@@ -5,9 +5,24 @@ import (
 	"github.com/spf13/viper"
 )
 
+const (
+	// DefaultAPIDocsUsername apidocs 默认用户名
+	DefaultAPIDocsUsername = "admin"
+	// DefaultAPIDocsPassword apidocs 默认密码
+	DefaultAPIDocsPassword = "!admin"
+)
+
 // BasicAuth use username and password in config to auth
 func BasicAuth() gin.HandlerFunc {
+	username := viper.GetString("apidocs.basicauth.username")
+	if username == "" {
+		username = DefaultAPIDocsUsername
+	}
+	password := viper.GetString("apidocs.basicauth.password")
+	if password == "" {
+		password = DefaultAPIDocsPassword
+	}
 	return gin.BasicAuth(gin.Accounts{
-		viper.GetString("apidocs.basicauth.username"): viper.GetString("apidocs.basicauth.password"),
+		username: password,
 	})
 }
diff --git a/app/router/router.go b/app/router/router.go
index e68e7b3..42bed87 100644
--- a/app/router/router.go
+++ b/app/router/router.go
@@ -19,18 +19,14 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
+const (
+	// DefaultPprofPath 默认pprof url
+	DefaultPprofPath = "/x/debug/pprof"
+)
+
 // InitDependencies 初始化所有依赖
-func InitDependencies(configPath, configName string) {
-	bindOpt := utils.NewViperOption("server.bind", "localhost:4869", "server binding address")
-	modeOpt := utils.NewViperOption("server.mode", "debug", "server mode")
-	basicAuthUsernameOpt := utils.NewViperOption("apidocs.basicauth.username", "admin", "apidocs default login username")
-	basicAuthPasswordOpt := utils.NewViperOption("apidocs.basicauth.password", "!admin", "apidocs default login password")
-	pprofPathOpt := utils.NewViperOption("pprof.path", "/x/debug/pprof", "pprof default register path")
-	if err := utils.InitViper(configPath, configName, "",
-		bindOpt, modeOpt,
-		basicAuthUsernameOpt, basicAuthPasswordOpt,
-		pprofPathOpt,
-	); err != nil {
+func InitDependencies(configpath, configname string) {
+	if err := utils.InitViper(configpath, configname, ""); err != nil {
 		log.Println("[ERROR]", err)
 	}
 
@@ -49,9 +45,9 @@ func InitDependencies(configPath, configName string) {
 }
 
 // SetupRouter init and return a gin router
-func SetupRouter(configPath, configName string) *gin.Engine {
+func SetupRouter(configpath, configname string) *gin.Engine {
 	// Init
-	InitDependencies(configPath, configName)
+	InitDependencies(configpath, configname)
 
 	// setup gin
 	mode := strings.ToLower(viper.GetString("server.mode"))
@@ -79,7 +75,11 @@ func SetupRouter(configPath, configName string) *gin.Engine {
 	}
 
 	if viper.GetBool("pprof.open") {
-		pprof.Register(router, viper.GetString("pprof.path"))
+		pprofPath := viper.GetString("pprof.path")
+		if pprofPath == "" {
+			pprofPath = DefaultPprofPath
+		}
+		pprof.Register(router, pprofPath)
 	}
 
 	return router
diff --git a/app/utils/viper.go b/app/utils/viper.go
index abd8e39..aaee1cb 100644
--- a/app/utils/viper.go
+++ b/app/utils/viper.go
@@ -6,7 +6,6 @@ import (
 
 	"github.com/fsnotify/fsnotify"
 	"github.com/pkg/errors"
-	"github.com/spf13/pflag"
 	"github.com/spf13/viper"
 )
 
@@ -28,7 +27,7 @@ func NewViperOption(name string, defaultValue interface{}, desc string) ViperOpt
 
 // InitViper init viper by default value, ENV, cmd flag and config file
 // you can use switch to reload server when config file changed
-func InitViper(configPath, configName string, envPrefix string, options ...ViperOption) error {
+func InitViper(configpath, configname string, envPrefix string, options ...ViperOption) error {
 	viper.SetEnvPrefix(envPrefix)
 	for _, option := range options {
 		// set default value
@@ -37,31 +36,16 @@ func InitViper(configPath, configName string, envPrefix string, options ...Viper
 		// bind ENV
 		viper.BindEnv(option.Name)
 		viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
-
-		// cmd
-		if pflag.Lookup(option.Name) == nil {
-			switch option.Default.(type) {
-			case int:
-				pflag.Int(option.Name, option.Default.(int), option.Desc)
-			case string:
-				pflag.String(option.Name, option.Default.(string), option.Desc)
-			case bool:
-				pflag.Bool(option.Name, option.Default.(bool), option.Desc)
-			}
-		}
 	}
 
-	pflag.Parse()
-	viper.BindPFlags(pflag.CommandLine)
-
 	// load conf file
-	viper.SetConfigName(configName)
-	viper.AddConfigPath(configPath)
+	viper.SetConfigName(configname)
+	viper.AddConfigPath(configpath)
 	err := viper.ReadInConfig()
 	if err != nil {
 		return errors.Wrap(err, "viper read in config error")
 	}
-	log.Printf("[INFO] loaded %s in %s\n", configName, configPath)
+	log.Printf("[INFO] loaded %s in %s\n", configname, configpath)
 	viper.WatchConfig()
 	viper.OnConfigChange(func(e fsnotify.Event) {
 		viper.ReadInConfig()