改回场景先初始化再加载控件，修复之前调顺序致控件读错误scnTmp，chat场景使用task更改焦点

Zframework/scene.lua

@@ -56,7 +56,6 @@ end
 function SCN.init(s,org)
 	local S=scenes[s]
 	SCN.cur=s
-	WIDGET.set(s)
 
 	SCN.sceneInit=S.sceneInit
 	SCN.sceneBack=S.sceneBack
@@ -76,8 +75,8 @@ function SCN.init(s,org)
 	SCN.gamepadDown=S.gamepadDown
 	SCN.gamepadUp=S.gamepadUp
 	SCN.socketRead=S.socketRead
-
 	if S.sceneInit then S.sceneInit(org)end
+	WIDGET.set(s)
 end
 function SCN.push(tar,style)
 	if not SCN.swapping then

parts/scenes/chat.lua

@@ -10,6 +10,10 @@ local scroll--Bottom message no.
 local newMessasge=false--If there is a new message
 local heartBeatTimer
 
+local function focusAtTextbox()
+	coroutine.yield()
+	WIDGET.sel=WIDGET.active.text
+end
 local function sendMessage()
 	local W=WIDGET.active.text
 	if #W.value>0 and wsWrite(W.value)then
@@ -38,7 +42,7 @@ function scene.sceneInit()
 			scroll=scroll+1
 		end
 	end
-	WIDGET.sel=WIDGET.active.text
+	TASK.new(focusAtTextbox)--Widgets are not initialized, so active after 1 frame
 	BG.set("none")
 	wsConnect(
 		TICK.wsCONN_connect,