diff --git a/Zframework/bgm.lua b/Zframework/bgm.lua
index f69a3f04..d73316ff 100644
--- a/Zframework/bgm.lua
+++ b/Zframework/bgm.lua
@@ -1,4 +1,9 @@
 local BGM={
+	getList={},
+	getCount=function()return 0 end,
+	play=NULL,
+	freshVolume=NULL,
+	stop=NULL,
 	--nowPlay=[str:playing ID]
 	--playing=[src:playing SRC]
 }
diff --git a/Zframework/image.lua b/Zframework/image.lua
index 38100668..2ff300c9 100644
--- a/Zframework/image.lua
+++ b/Zframework/image.lua
@@ -8,11 +8,13 @@ function IMG.init(list)
 	end
 	function IMG.getCount()return count end
 
-	IMG.loadOne=coroutine.wrap(function()
+	IMG.loadOne=coroutine.wrap(function(skip)
 		IMG.loadAll=nil
 		for k,v in next,list do
 			IMG[k]=love.graphics.newImage("media/image/"..v)
-			coroutine.yield()
+			if not skip and i~=count then
+				coroutine.yield()
+			end
 		end
 		IMG.loadOne=nil
 	end)
diff --git a/Zframework/init.lua b/Zframework/init.lua
index a77c7ca7..a885d16d 100644
--- a/Zframework/init.lua
+++ b/Zframework/init.lua
@@ -531,7 +531,7 @@ function love.run()
 					gc.print("Memory:"..gcinfo(),SCR.safeX+5,_-40)
 					gc.print("Lines:"..FREEROW.getCount(),SCR.safeX+5,_-60)
 					gc.print("Cursor:"..int(mx+.5).." "..int(my+.5),SCR.safeX+5,_-80)
-					gc.print("Voices:"..VOC.getCount(),SCR.safeX+5,_-100)
+					gc.print("Voices:"..VOC.getQueueCount(),SCR.safeX+5,_-100)
 					gc.print("Tasks:"..TASK.getCount(),SCR.safeX+5,_-120)
 					ins(frameTimeList,1,dt)rem(frameTimeList,126)
 					gc.setColor(1,1,1,.3)
diff --git a/Zframework/sfx.lua b/Zframework/sfx.lua
index 8030d560..1b9327ec 100644
--- a/Zframework/sfx.lua
+++ b/Zframework/sfx.lua
@@ -1,4 +1,10 @@
-local SFX={}
+local SFX={
+	getCount=function()return 0 end,
+	fieldPlay=NULL,
+	play=NULL,
+	fplay=NULL,
+	reset=NULL,
+}
 function SFX.init(list)
 	SFX.init=nil
 	local rem=table.remove
diff --git a/Zframework/voice.lua b/Zframework/voice.lua
index a3832144..718649be 100644
--- a/Zframework/voice.lua
+++ b/Zframework/voice.lua
@@ -1,4 +1,10 @@
-local VOC={}
+local VOC={
+	getCount=function()return 0 end,
+	getQueueCount=NULL,
+	getFreeChannel=NULL,
+	play=NULL,
+	update=NULL,
+}
 
 function VOC.init(list)
 	VOC.init=nil
@@ -52,6 +58,9 @@ function VOC.init(list)
 		end
 		VOC.loadOne=nil
 
+		function VOC.getQueueCount()
+			return #voiceQueue
+		end
 		function VOC.getFreeChannel()
 			local l=#voiceQueue
 			for i=1,l do
@@ -60,9 +69,6 @@ function VOC.init(list)
 			voiceQueue[l+1]={s=0}
 			return l+1
 		end
-		function VOC.getCount()
-			return #voiceQueue
-		end
 
 		function VOC.play(s,chn)
 			if SETTING.voc>0 then