diff --git a/Zframework/toolfunc.lua b/Zframework/toolfunc.lua
index 006434f2..ecbb0fdb 100644
--- a/Zframework/toolfunc.lua
+++ b/Zframework/toolfunc.lua
@@ -23,6 +23,7 @@ do--LOADLIB
 			local success,message=require(libName[system])
 			if success then
 				LOG.print(name.." load successfully","warn",color.green)
+				return success
 			else
 				LOG.print("Cannot load "..name..": "..message,"warn",color.red)
 			end
@@ -54,7 +55,7 @@ do--LOADLIB
 				return
 			end
 			LOG.print(name.." load successfully","warn",color.green)
-			libFunc()
+			return libFunc()
 		else
 			LOG.print("No "..name.." for "..system,"warn",color.red)
 			return
diff --git a/parts/ai.lua b/parts/ai.lua
index bfbafc42..61c05567 100644
--- a/parts/ai.lua
+++ b/parts/ai.lua
@@ -16,7 +16,8 @@ local Timer=love.timer.getTime
 local blockPos={4,4,4,4,4,5,4}
 local scs={{0,1},{0,1},{0,1},{0,1},{0,1},{.5,.5},{-.5,1.5}}
 -------------------------------------------------Cold clear
-if LOADLIB("CC")then
+cc=LOADLIB("CC")
+if cc then
 	local CCblockID={6,5,4,3,2,1,0}
 	CC={
 		getConf=	cc.get_default_config	,--()options,weights