整理代码，移除主菜单ai角框，修复触屏在房间内会不能操作

parts/player/update.lua

@@ -280,7 +280,7 @@ function update.alive(P,dt)
 	if P.falling>=0 then
 		P.falling=P.falling-1
 		if P.falling>=0 then
-			goto stop
+			goto THROW_stop
 		else
 			local L=#P.clearingRow
 			if P.sound and ENV.fall>0 and #P.field+L>P.clearingRow[L]then SFX.play('fall')end
@@ -289,11 +289,11 @@ function update.alive(P,dt)
 	end
 
 	--Try spawn new block
-	if not P.control then goto stop end
+	if not P.control then goto THROW_stop end
 	if P.waiting>=0 then
 		P.waiting=P.waiting-1
 		if P.waiting<0 then P:popNext()end
-		goto stop
+		goto THROW_stop
 	end
 
 	--Natural block falling
@@ -302,7 +302,7 @@ function update.alive(P,dt)
 			local D=P.dropDelay
 			if D>1 then
 				P.dropDelay=D-1
-				goto stop
+				goto THROW_stop
 			end
 
 			if D==1 then
@@ -335,14 +335,14 @@ function update.alive(P,dt)
 			end
 		else
 			P.lockDelay=P.lockDelay-1
-			if P.lockDelay>=0 then goto stop end
+			if P.lockDelay>=0 then goto THROW_stop end
 			P:drop()
 			if P.AI_mode=='CC'and P.AI_bot then
 				CC.updateField(P)
 			end
 		end
 	end
-	::stop::
+	::THROW_stop::
 
 	--B2B bar animation
 	if P.b2b1==P.b2b then