diff --git a/Zframework/bg.lua b/Zframework/bg.lua
index 3952e442..e8299df4 100644
--- a/Zframework/bg.lua
+++ b/Zframework/bg.lua
@@ -430,6 +430,10 @@ function BG.set(bg,data)
 		BG.discard()
 		collectgarbage()
 	end
+	if not back[bg]then
+		LOG.print("No BG called"..bg,"warn")
+		return
+	end
 	BG.cur=bg
 	bg=back[bg]
 
diff --git a/Zframework/bgm.lua b/Zframework/bgm.lua
index 4d0d4d2c..58eb5f2d 100644
--- a/Zframework/bgm.lua
+++ b/Zframework/bgm.lua
@@ -41,7 +41,7 @@ function BGM.loadOne(N)
 		BGM.list[N]:setLooping(true)
 		BGM.list[N]:setVolume(0)
 	else
-		LOG.print("No BGM file: "..N,color.red)
+		LOG.print("No BGM file: "..N,"warn")
 	end
 end
 function BGM.loadAll()
diff --git a/Zframework/log.lua b/Zframework/log.lua
index c988459a..31df921d 100644
--- a/Zframework/log.lua
+++ b/Zframework/log.lua
@@ -43,7 +43,7 @@ function LOG.draw()
 		end
 	end
 end
-function LOG.print(text,T,C)--type/time,color
+function LOG.print(text,T,C)--text,type/time,color
 	local time
 	local his
 	if T=="warn"then
diff --git a/Zframework/sfx.lua b/Zframework/sfx.lua
index 6fedd484..d5820ece 100644
--- a/Zframework/sfx.lua
+++ b/Zframework/sfx.lua
@@ -30,7 +30,7 @@ function SFX.loadOne(_)
 	if love.filesystem.getInfo(N)then
 		SFX.list[_]={love.audio.newSource(N,"static")}
 	else
-		LOG.print("No SFX file: "..N,color.red)
+		LOG.print("No SFX file: "..N,"warn")
 	end
 end
 function SFX.loadAll()
diff --git a/parts/scenes.lua b/parts/scenes.lua
index 6e2e3183..687006ee 100644
--- a/parts/scenes.lua
+++ b/parts/scenes.lua
@@ -92,7 +92,7 @@ do--calculator
 				elseif S.val==196000+022 then
 					S.pass=true
 					marking=nil
-					LOG.print("\68\69\86\58\87\97\116\101\114\109\97\114\107\32\82\101\109\111\118\101\100","warn",color.lBlue)
+					LOG.print("\68\69\86\58\87\97\116\101\114\109\97\114\107\32\82\101\109\111\118\101\100","message")
 					SFX.play("clear")
 				elseif S.val==72943816 then
 					S.pass=true
@@ -102,7 +102,7 @@ do--calculator
 						end
 					end
 					FILE.saveUnlock()
-					LOG.print("\68\69\86\58\85\78\76\79\67\75\65\76\76","warn",color.lBlue)
+					LOG.print("\68\69\86\58\85\78\76\79\67\75\65\76\76","message")
 					SFX.play("clear_2")
 				elseif S.val==1379e8+2626e4+1379 then
 					S.pass=true
@@ -981,10 +981,10 @@ do--mode
 				if mapCam.sel=="custom_clear"or mapCam.sel=="custom_puzzle"then
 					if customEnv.opponent>1 then
 						if customEnv.seq=="fixed"then
-							LOG.print(text.ai_fixed,"warn",color.red)
+							LOG.print(text.ai_fixed,"warn")
 							return
 						elseif #preBag>0 then
-							LOG.print(text.ai_prebag,"warn",color.red)
+							LOG.print(text.ai_prebag,"warn")
 							return
 						end
 					end
diff --git a/parts/skin.lua b/parts/skin.lua
index 97bafa98..85be4745 100644
--- a/parts/skin.lua
+++ b/parts/skin.lua
@@ -64,7 +64,7 @@ function SKIN.load()
 			I=gc.newImage(N)
 		else
 			I=gc.newImage("/image/skin/"..list[1]..".png")
-			LOG.print("No skin file: "..list[i],color.red)
+			LOG.print("No skin file: "..list[i],"warn")
 		end
 		for j=1,11 do
 			SKIN.lib[i][j]=C(30,30)