diff --git a/beego.go b/beego.go
index 68a76e52..65368295 100644
--- a/beego.go
+++ b/beego.go
@@ -67,15 +67,6 @@ func Run(params ...string) {
 }
 
 func initBeforeHTTPRun() {
-	// if AppConfigPath is setted or conf/app.conf exist
-	/*
-	err := ParseConfig()
-	if err != nil {
-		panic(err)
-	}
-	*/
-	var err error
-
 	//init hooks
 	AddAPPStartHook(registerMime)
 	AddAPPStartHook(registerDefaultErrorHandler)
@@ -85,7 +76,7 @@ func initBeforeHTTPRun() {
 	AddAPPStartHook(registerAdmin)
 
 	for _, hk := range hooks {
-		if err = hk(); err != nil {
+		if err := hk(); err != nil {
 			panic(err)
 		}
 	}
diff --git a/config.go b/config.go
index e72f770c..ebc054d6 100644
--- a/config.go
+++ b/config.go
@@ -20,7 +20,6 @@ import (
 	"path/filepath"
 	"strings"
 	"fmt"
-	"errors"
 
 	"github.com/astaxie/beego/config"
 	"github.com/astaxie/beego/session"
@@ -320,7 +319,7 @@ func LoadAppConfig(configPath string, adapterName string) error {
 	}
 
 	if !utils.FileExists(absConfigPath) {
-		return errors.New(fmt.Sprintf("the target config file: %s don't exist!", configPath))
+		return fmt.Errorf("the target config file: %s don't exist!", configPath)
 	}
 
 	if absConfigPath == AppConfigPath {