diff --git a/config.go b/config.go
index 85b3eeded0167e20c013cd32d7c3a23a5580e16f..163647f18be261eb99146e8e0d6fe0d2d3bf01a6 100644
--- a/config.go
+++ b/config.go
@@ -194,135 +194,47 @@ func ParseConfig() (err error) {
 		BConfig.RunMode = runmode
 	}
 
+	BConfig.AppName = AppConfig.DefaultString("AppName", BConfig.AppName)
+	BConfig.RecoverPanic = AppConfig.DefaultBool("RecoverPanic", BConfig.RecoverPanic)
+	BConfig.RouterCaseSensitive = AppConfig.DefaultBool("RouterCaseSensitive", BConfig.RouterCaseSensitive)
+	BConfig.ServerName = AppConfig.DefaultString("BeegoServerName", BConfig.ServerName)
+	BConfig.EnableGzip = AppConfig.DefaultBool("EnableGzip", BConfig.EnableGzip)
+	BConfig.EnableErrorsShow = AppConfig.DefaultBool("EnableErrorsShow", BConfig.EnableErrorsShow)
+	BConfig.CopyRequestBody = AppConfig.DefaultBool("CopyRequestBody", BConfig.CopyRequestBody)
+	BConfig.MaxMemory = AppConfig.DefaultInt64("MaxMemory", BConfig.MaxMemory)
+	BConfig.Listen.Graceful = AppConfig.DefaultBool("Graceful", BConfig.Listen.Graceful)
 	BConfig.Listen.HTTPAddr = AppConfig.String("HTTPAddr")
-
-	if v, err := AppConfig.Int("HTTPPort"); err == nil {
-		BConfig.Listen.HTTPPort = v
-	}
-
-	if v, err := AppConfig.Bool("ListenTCP4"); err == nil {
-		BConfig.Listen.ListenTCP4 = v
-	}
-
-	if v, err := AppConfig.Bool("EnableHTTPListen"); err == nil {
-		BConfig.Listen.HTTPEnable = v
-	}
-
-	if maxmemory, err := AppConfig.Int64("MaxMemory"); err == nil {
-		BConfig.MaxMemory = maxmemory
-	}
-
-	if appname := AppConfig.String("AppName"); appname != "" {
-		BConfig.AppName = appname
-	}
-
-	if autorender, err := AppConfig.Bool("AutoRender"); err == nil {
-		BConfig.WebConfig.AutoRender = autorender
-	}
-
-	if autorecover, err := AppConfig.Bool("RecoverPanic"); err == nil {
-		BConfig.RecoverPanic = autorecover
-	}
-
-	if views := AppConfig.String("ViewsPath"); views != "" {
-		BConfig.WebConfig.ViewsPath = views
-	}
-
-	if sessionon, err := AppConfig.Bool("SessionOn"); err == nil {
-		BConfig.WebConfig.Session.SessionOn = sessionon
-	}
-
-	if sessProvider := AppConfig.String("SessionProvider"); sessProvider != "" {
-		BConfig.WebConfig.Session.SessionProvider = sessProvider
-	}
-
-	if sessName := AppConfig.String("SessionName"); sessName != "" {
-		BConfig.WebConfig.Session.SessionName = sessName
-	}
-
-	if sessProvConfig := AppConfig.String("SessionProviderConfig"); sessProvConfig != "" {
-		BConfig.WebConfig.Session.SessionProviderConfig = sessProvConfig
-	}
-
-	if sessMaxLifeTime, err := AppConfig.Int64("SessionGCMaxLifetime"); err == nil && sessMaxLifeTime != 0 {
-		BConfig.WebConfig.Session.SessionGCMaxLifetime = sessMaxLifeTime
-	}
-
-	if sesscookielifetime, err := AppConfig.Int("SessionCookieLifeTime"); err == nil && sesscookielifetime != 0 {
-		BConfig.WebConfig.Session.SessionCookieLifeTime = sesscookielifetime
-	}
-
-	if enableFcgi, err := AppConfig.Bool("EnableFcgi"); err == nil {
-		BConfig.Listen.EnableFcgi = enableFcgi
-	}
-
-	if enablegzip, err := AppConfig.Bool("EnableGzip"); err == nil {
-		BConfig.EnableGzip = enablegzip
-	}
-
-	if directoryindex, err := AppConfig.Bool("DirectoryIndex"); err == nil {
-		BConfig.WebConfig.DirectoryIndex = directoryindex
-	}
-
-	if timeout, err := AppConfig.Int64("HTTPServerTimeOut"); err == nil {
-		BConfig.Listen.ServerTimeOut = timeout
-	}
-
-	if errorsshow, err := AppConfig.Bool("EnableErrorsShow"); err == nil {
-		BConfig.EnableErrorsShow = errorsshow
-	}
-
-	if copyrequestbody, err := AppConfig.Bool("CopyRequestBody"); err == nil {
-		BConfig.CopyRequestBody = copyrequestbody
-	}
-
-	if xsrfkey := AppConfig.String("XSRFKEY"); xsrfkey != "" {
-		BConfig.WebConfig.XSRFKEY = xsrfkey
-	}
-
-	if enablexsrf, err := AppConfig.Bool("EnableXSRF"); err == nil {
-		BConfig.WebConfig.EnableXSRF = enablexsrf
-	}
-
-	if expire, err := AppConfig.Int("XSRFExpire"); err == nil {
-		BConfig.WebConfig.XSRFExpire = expire
-	}
-
-	if tplleft := AppConfig.String("TemplateLeft"); tplleft != "" {
-		BConfig.WebConfig.TemplateLeft = tplleft
-	}
-
-	if tplright := AppConfig.String("TemplateRight"); tplright != "" {
-		BConfig.WebConfig.TemplateRight = tplright
-	}
-
-	if httptls, err := AppConfig.Bool("EnableHTTPTLS"); err == nil {
-		BConfig.Listen.HTTPSEnable = httptls
-	}
-
-	if httpsport, err := AppConfig.Int("HTTPSPort"); err == nil {
-		BConfig.Listen.HTTPSPort = httpsport
-	}
-
-	if certfile := AppConfig.String("HTTPCertFile"); certfile != "" {
-		BConfig.Listen.HTTPSCertFile = certfile
-	}
-
-	if keyfile := AppConfig.String("HTTPKeyFile"); keyfile != "" {
-		BConfig.Listen.HTTPSKeyFile = keyfile
-	}
-
-	if serverName := AppConfig.String("BeegoServerName"); serverName != "" {
-		BConfig.ServerName = serverName
-	}
-
-	if flashname := AppConfig.String("FlashName"); flashname != "" {
-		BConfig.WebConfig.FlashName = flashname
-	}
-
-	if flashseperator := AppConfig.String("FlashSeperator"); flashseperator != "" {
-		BConfig.WebConfig.FlashSeperator = flashseperator
-	}
+	BConfig.Listen.HTTPPort = AppConfig.DefaultInt("HTTPPort", BConfig.Listen.HTTPPort)
+	BConfig.Listen.ListenTCP4 = AppConfig.DefaultBool("ListenTCP4", BConfig.Listen.ListenTCP4)
+	BConfig.Listen.HTTPEnable = AppConfig.DefaultBool("EnableHTTPListen", BConfig.Listen.HTTPEnable)
+	BConfig.Listen.HTTPSEnable = AppConfig.DefaultBool("EnableHTTPTLS", BConfig.Listen.HTTPSEnable)
+	BConfig.Listen.HTTPSPort = AppConfig.DefaultInt("HTTPSPort", BConfig.Listen.HTTPSPort)
+	BConfig.Listen.HTTPSCertFile = AppConfig.DefaultString("HTTPCertFile", BConfig.Listen.HTTPSCertFile)
+	BConfig.Listen.HTTPSKeyFile = AppConfig.DefaultString("HTTPKeyFile", BConfig.Listen.HTTPSKeyFile)
+	BConfig.Listen.AdminEnable = AppConfig.DefaultBool("EnableAdmin", BConfig.Listen.AdminEnable)
+	BConfig.Listen.AdminAddr = AppConfig.DefaultString("AdminHTTPAddr", BConfig.Listen.AdminAddr)
+	BConfig.Listen.AdminPort = AppConfig.DefaultInt("AdminHTTPPort", BConfig.Listen.AdminPort)
+	BConfig.Listen.EnableFcgi = AppConfig.DefaultBool("EnableFcgi", BConfig.Listen.EnableFcgi)
+	BConfig.Listen.ServerTimeOut = AppConfig.DefaultInt64("HTTPServerTimeOut", BConfig.Listen.ServerTimeOut)
+	BConfig.WebConfig.AutoRender = AppConfig.DefaultBool("AutoRender", BConfig.WebConfig.AutoRender)
+	BConfig.WebConfig.ViewsPath = AppConfig.DefaultString("ViewsPath", BConfig.WebConfig.ViewsPath)
+	BConfig.WebConfig.DirectoryIndex = AppConfig.DefaultBool("DirectoryIndex", BConfig.WebConfig.DirectoryIndex)
+	BConfig.WebConfig.XSRFKEY = AppConfig.DefaultString("XSRFKEY", BConfig.WebConfig.XSRFKEY)
+	BConfig.WebConfig.EnableXSRF = AppConfig.DefaultBool("EnableXSRF", BConfig.WebConfig.EnableXSRF)
+	BConfig.WebConfig.XSRFExpire = AppConfig.DefaultInt("XSRFExpire", BConfig.WebConfig.XSRFExpire)
+	BConfig.WebConfig.TemplateLeft = AppConfig.DefaultString("TemplateLeft", BConfig.WebConfig.TemplateLeft)
+	BConfig.WebConfig.TemplateRight = AppConfig.DefaultString("TemplateRight", BConfig.WebConfig.TemplateRight)
+	BConfig.WebConfig.Session.SessionOn = AppConfig.DefaultBool("SessionOn", BConfig.WebConfig.Session.SessionOn)
+	BConfig.WebConfig.Session.SessionProvider = AppConfig.DefaultString("SessionProvider", BConfig.WebConfig.Session.SessionProvider)
+	BConfig.WebConfig.Session.SessionName = AppConfig.DefaultString("SessionName", BConfig.WebConfig.Session.SessionName)
+	BConfig.WebConfig.Session.SessionProviderConfig = AppConfig.DefaultString("SessionProviderConfig", BConfig.WebConfig.Session.SessionProviderConfig)
+	BConfig.WebConfig.Session.SessionGCMaxLifetime = AppConfig.DefaultInt64("SessionGCMaxLifetime", BConfig.WebConfig.Session.SessionGCMaxLifetime)
+	BConfig.WebConfig.Session.SessionCookieLifeTime = AppConfig.DefaultInt("SessionCookieLifeTime", BConfig.WebConfig.Session.SessionCookieLifeTime)
+
+	BConfig.WebConfig.FlashName = AppConfig.DefaultString("FlashName", BConfig.WebConfig.FlashName)
+	BConfig.WebConfig.FlashSeperator = AppConfig.DefaultString("FlashSeperator", BConfig.WebConfig.FlashSeperator)
+
+	BConfig.WebConfig.EnableDocs = AppConfig.DefaultBool("EnableDocs", BConfig.WebConfig.EnableDocs)
 
 	if sd := AppConfig.String("StaticDir"); sd != "" {
 		for k := range BConfig.WebConfig.StaticDir {
@@ -355,29 +267,6 @@ func ParseConfig() (err error) {
 			BConfig.WebConfig.StaticExtensionsToGzip = fileExts
 		}
 	}
-
-	if enableadmin, err := AppConfig.Bool("EnableAdmin"); err == nil {
-		BConfig.Listen.AdminEnable = enableadmin
-	}
-
-	if adminhttpaddr := AppConfig.String("AdminHTTPAddr"); adminhttpaddr != "" {
-		BConfig.Listen.AdminAddr = adminhttpaddr
-	}
-
-	if adminhttpport, err := AppConfig.Int("AdminHTTPPort"); err == nil {
-		BConfig.Listen.AdminPort = adminhttpport
-	}
-
-	if enabledocs, err := AppConfig.Bool("EnableDocs"); err == nil {
-		BConfig.WebConfig.EnableDocs = enabledocs
-	}
-
-	if casesensitive, err := AppConfig.Bool("RouterCaseSensitive"); err == nil {
-		BConfig.RouterCaseSensitive = casesensitive
-	}
-	if graceful, err := AppConfig.Bool("Graceful"); err == nil {
-		BConfig.Listen.Graceful = graceful
-	}
 	return nil
 }