fix go run hello.go & console log

@@ -188,7 +188,7 @@ func initBeforeHttpRun() {
 	// if AppConfigPath not In the conf/app.conf reParse config
 	if AppConfigPath != filepath.Join(AppPath, "conf", "app.conf") {
 		err := ParseConfig()
-		if err != nil {
+		if err != nil && AppConfigPath != filepath.Join(workPath, "conf", "app.conf") {
 			// configuration is critical to app, panic here if parse failed
 			panic(err)
 		}

 package beego
 
 import (
+	"fmt"
 	"html/template"
 	"os"
 	"path/filepath"
@@ -143,9 +144,12 @@ func init() {
 
 	// init BeeLogger
 	BeeLogger = logs.NewLogger(10000)
-	BeeLogger.SetLogger("console", "")
+	err := BeeLogger.SetLogger("console", "")
+	if err != nil {
+		fmt.Println("init console log error:", err)
+	}
 
-	err := ParseConfig()
+	err = ParseConfig()
 	if err != nil && !os.IsNotExist(err) {
 		// for init if doesn't have app.conf will not panic
 		Info(err)

@@ -29,9 +29,6 @@ func NewConn() LoggerInterface {
 // init connection writer with json config.
 // json config only need key "level".
 func (c *ConnWriter) Init(jsonconfig string) error {
-	if len(jsonconfig) == 0 {
-		return nil
-	}
 	err := json.Unmarshal([]byte(jsonconfig), c)
 	if err != nil {
 		return err

@@ -90,9 +90,6 @@ func NewFileWriter() LoggerInterface {
 //	"rotate":true
 //	}
 func (w *FileLogWriter) Init(jsonconfig string) error {
-	if len(jsonconfig) == 0 {
-		return nil
-	}
 	err := json.Unmarshal([]byte(jsonconfig), w)
 	if err != nil {
 		return err

@@ -38,9 +38,6 @@ func NewSmtpWriter() LoggerInterface {
 //		"level":LevelError
 //	}
 func (s *SmtpWriter) Init(jsonconfig string) error {
-	if len(jsonconfig) == 0 {
-		return nil
-	}
 	err := json.Unmarshal([]byte(jsonconfig), s)
 	if err != nil {
 		return err