diff --git a/Menu/GameShell/10_Settings/About/about.so b/Menu/GameShell/10_Settings/About/about.so
index b17eb9e..6aee1fe 100644
Binary files a/Menu/GameShell/10_Settings/About/about.so and b/Menu/GameShell/10_Settings/About/about.so differ
diff --git a/Menu/GameShell/10_Settings/Settings.so b/Menu/GameShell/10_Settings/Settings.so
index bbad449..6db3c89 100644
Binary files a/Menu/GameShell/10_Settings/Settings.so and b/Menu/GameShell/10_Settings/Settings.so differ
diff --git a/Menu/GameShell/10_Settings/Wifi/plugin_init.go b/Menu/GameShell/10_Settings/Wifi/plugin_init.go
index 40f484e..fc7dd12 100644
--- a/Menu/GameShell/10_Settings/Wifi/plugin_init.go
+++ b/Menu/GameShell/10_Settings/Wifi/plugin_init.go
@@ -35,7 +35,15 @@ func (self *WifiPlugin) Init( main_screen *UI.MainScreen ) {
   self.ScanPage.Screen = main_screen
   
   self.ScanPage.Init()
-  
+ 
+  if self.ScanPage.Daemon != nil {
+    self.ScanPage.Daemon.EnableSignal("StatusChanged")
+    self.ScanPage.Daemon.EnableSignal("ConnectResultsSent")
+    self.ScanPage.Wireless.EnableSignal("SendStartScanSignal")
+    self.ScanPage.Wireless.EnableSignal("SendEndScanSignal")
+    
+    
+  }
 }
 
 func (self *WifiPlugin) Run( main_screen *UI.MainScreen ) {
diff --git a/Menu/GameShell/10_Settings/Wifi/wifi.go b/Menu/GameShell/10_Settings/Wifi/wifi.go
index 3508b51..589758e 100644
--- a/Menu/GameShell/10_Settings/Wifi/wifi.go
+++ b/Menu/GameShell/10_Settings/Wifi/wifi.go
@@ -7,6 +7,8 @@ import (
   "strings"
   gotime "time"
   
+  "github.com/godbus/dbus"
+  
   "github.com/veandco/go-sdl2/ttf"
   
   "github.com/cuu/gogame/surface"
@@ -351,7 +353,7 @@ type WifiListMessageBox struct{
 
 func NewWifiListMessageBox() *WifiListMessageBox{
   p := &WifiListMessageBox{}
-  
+  p.Color = &color.Color{83,83,83,255}
   return p
 }
 
@@ -499,14 +501,82 @@ func (self *WifiList) Rescan(sync bool) { // sync default should be false
 }
 
 // dbus signal functions
-func (self *WifiList) DbusScanFinishedSig() {
+func (self *WifiList) WifiDbusScanFinishedSig(body []interface{}) {
+  if self.Screen.CurrentPage != self {
+    return
+  }
+  
+  self.ResetPageSelector()
+  
+  self.UpdateNetList(-1,[]string{}, true,false)
+  
+  self.Scanning= false
+  self.HideBox()
+  
+  self.BlockingUI = false
+  fmt.Println("dbus says scan finished")
+  
 }
 
-func (self *WifiList) DbusScanStarted() {
-
+func (self *WifiList) WifiDbusScanStarted(body []interface{} ) {
+  if self.Screen.CurrentPage != self {
+    return
+  }
+  
+  self.Scanning = true
+  self.ShowBox("Wifi scanning...")
+  self.BlockingUI = true
+  fmt.Println("dbus says start scan")
 }
 
 
+func (self *WifiList) DbusDaemonStatusChangedSig(body []interface{}) {
+	var state int
+	var info []dbus.Variant
+
+	err := dbus.Store(body,&state,&info)
+
+	if err != nil {
+		fmt.Println(err)
+	}else {
+		fmt.Println(state," ", info)
+	}
+  
+  var info_str []string 
+  for i,v := range info {
+    info_str = append(info_str, v.String())
+  } 
+  
+  self.UpdateNetList(state,info_str,false,false)
+  if len(info_str) > 0 {
+    self.Screen.Draw()
+    self.Screen.SwapAndShow()
+  }
+  
+}
+
+func (self *WifiList) DbusConnectResultsSent(body []interface{}) {
+  var ret_val string
+	err := dbus.Store(body,&ret_val)
+
+	if err != nil {
+		fmt.Println(err)
+	}else {
+		fmt.Println(ret_val)
+	}  
+  
+  self.Connecting = flase
+  self.BlockingUI = false
+  if self.BlockCb != nil {
+    self.BlockCb()
+    self.BlockCb = nil
+  }
+  
+  self.Screen.FootBar.ResetNavText()
+}
+
+//----------------------------------------------------------------------------------
+
 func (self *WifiList) UpdateNetList(state int,info []string ,force_check bool,firstrun bool) { //force_check default ==false, firstrun default == false 
   if self.Daemon == nil {
     return
@@ -640,14 +710,6 @@ func (self *WifiList) UpdateStatus() bool {
   
 }
 
-func (self *WifiList) DbusDaemonStatusChangedSig(state int,info []string) {
-  
-}
-
-func (self *WifiList) DbusConnectResultsSent( result string) {
-  
-}
-
 //set_status == "" not used
 func (self *WifiList) CheckForWireless(iwconfig string, wireless_ip string , set_status string ) bool { 
   if len(wireless_ip) == 0 {
diff --git a/Menu/GameShell/10_Settings/Wifi/wifi.so b/Menu/GameShell/10_Settings/Wifi/wifi.so
index b202d39..310143f 100644
Binary files a/Menu/GameShell/10_Settings/Wifi/wifi.so and b/Menu/GameShell/10_Settings/Wifi/wifi.so differ
diff --git a/Menu/GameShell/HelloWorld/HelloWorld.so b/Menu/GameShell/HelloWorld/HelloWorld.so
index 6a03855..f4a7ada 100644
Binary files a/Menu/GameShell/HelloWorld/HelloWorld.so and b/Menu/GameShell/HelloWorld/HelloWorld.so differ
diff --git a/sysgo/DBUS/dbus.go b/sysgo/DBUS/dbus.go
index 0cdc3ba..6cecf13 100644
--- a/sysgo/DBUS/dbus.go
+++ b/sysgo/DBUS/dbus.go
@@ -11,6 +11,7 @@ type DbusInterface struct {
 	Path dbus.ObjectPath
 	Iface string
 	Obj *dbus.Object
+  SigFuncs  map[string]interface{}
 }
 
 func NewDbusInterface(conn *dbus.Conn,dest string, path dbus.ObjectPath ,iface string) *DbusInterface {
@@ -20,6 +21,8 @@ func NewDbusInterface(conn *dbus.Conn,dest string, path dbus.ObjectPath ,iface s
 	m.Obj = o.(*dbus.Object)
 	m.Dest = dest
 	m.Path = path
+  
+	m.SigFuncs = make(map[string]interface{})
 
 	if len(iface) > 2 {
 		m.Iface = iface
@@ -55,6 +58,34 @@ func (self *DbusInterface) Get( thecall *dbus.Call, retvalues ...interface{}) er
   return err
 }
 
+func (self *DbusInterface) EnableSignal(signame string) {
+  iface := self.Dest
+  if self.Iface != "" {
+    iface = iface+ "."+self.Iface
+  }
+  self.Obj.AddMatchSignal(iface,signame)
+}
+
+
+func (self *DbusInterface) HandleSignal( sig *dbus.Signal) {
+	
+	iface := self.Dest
+	if self.Iface != "" {
+		iface = iface+ "."+self.Iface
+	}
+
+	if strings.HasPrefix(sig.Name,iface) {
+		func_name := strings.Replace( sig.Name, iface, "",-1)[1:]
+		for k,v := range self.SigFuncs {
+			if k == func_name {
+				v.(func([]interface{}))(sig.Body)
+				break
+			}
+		}
+	}
+
+}
+
 type DBusInterface interface {
 	WifiStrength() int
 	IsWifiConnectedNow() bool 	
@@ -72,7 +103,11 @@ func NewDBus() *DBus {
 }
 
 func (self *DBus) Init() {
+  //conn_option := dbus.WithSignalHandler(self)
+  
 	conn, err := dbus.SystemBus()
+  //conn,err := dbus.SystemBusPrivate(conn_option)
+  
   if err != nil {
     panic(fmt.Sprintf("Failed to connect to system bus:", err))
   }
@@ -164,9 +199,15 @@ func (self *DBus) IsWifiConnectedNow() bool {
 func (self *DBus) ListenSignal() {
 	c := make(chan *dbus.Signal, 10)
 	self.Conn.Signal(c)
-	for v := range c {
-		fmt.Printf("%+v %#v\n",v,v)
-	}
+  
+  for v := range c {
+    fmt.Printf("%+v %#v\n",v,v)
+    fmt.Printf("body len:%d \n\n",len(v.Body)) 
+    
+    self.Wifi.HandleSignal(v)
+    self.Daemon.HandleSignal(v)
+    
+  }  
 }
 
 var DBusHandler *DBus //global 
@@ -175,4 +216,7 @@ func init() {
   DBusHandler = NewDBus()
   DBusHandler.Init()
   
+  go DBusHandler.ListenSignal()
+  
+  
 }
diff --git a/sysgo/UI/page.go b/sysgo/UI/page.go
index f8cfc78..e543cfd 100644
--- a/sysgo/UI/page.go
+++ b/sysgo/UI/page.go
@@ -821,6 +821,8 @@ func (self *Page) ReturnToUpLevelPage() {
 		page_ := pop_page.(PageInterface)
 		page_.Draw()
 		self.Screen.SetCurPage(page_)
+    self.Screen.CurrentPage.OnReturnBackCb()
+    
 	}else {
 		if self.Screen.MyPageStack.Length() == 0 {
 			if len(self.Screen.Pages) > 0 {