diff --git a/parts/language/lang_en.lua b/parts/language/lang_en.lua
index 2efd4302..fb1bf672 100644
--- a/parts/language/lang_en.lua
+++ b/parts/language/lang_en.lua
@@ -54,7 +54,7 @@ return{
 	page="Page:",
 
 	ai_fixed="The AI is incompatible with fixed sequences.",
-	ai_prebag="The AI is incompatible with custom sequences.",
+	ai_prebag="The AI is incompatible with custom sequences which have nontetramino.",
 	ai_mission="The AI is incompatible with custom missions.",
 	saveDone="Data Saved",
 	saveError="Failed to save:",
diff --git a/parts/language/lang_es.lua b/parts/language/lang_es.lua
index 7f542eb3..6799f7c2 100644
--- a/parts/language/lang_es.lua
+++ b/parts/language/lang_es.lua
@@ -44,7 +44,7 @@ return{
 	page="Página:",
 
 	ai_fixed="La IA no es compatible con secuencias de piezas prefijadas.",
-	ai_prebag="La IA no es compatible con secuencias de piezas personalizadas.",
+	--ai_prebag="The AI is incompatible with custom sequences which have nontetramino.",a IA no es compatible con secuencias de piezas personalizadas.",
 	ai_mission="La IA no es compatible con misiones personalizadas.",
 	saveDone="Datos guardados",
 	saveError="Error al guardar:",
diff --git a/parts/language/lang_fr.lua b/parts/language/lang_fr.lua
index a6abddfb..5bc2d39f 100644
--- a/parts/language/lang_fr.lua
+++ b/parts/language/lang_fr.lua
@@ -45,7 +45,7 @@ return{
 	page="Page:",
 
 	ai_fixed="L'IA est incompatible avec les séquences fixes.",
-	ai_prebag="L'IA est incompatible avec les séquences personnalisées.",
+	--ai_prebag="The AI is incompatible with custom sequences which have nontetramino.",'IA est incompatible avec les séquences personnalisées.",
 	ai_mission="L'IA est incompatible avec les missions personnalisées.",
 	saveDone="Données sauvegardées",
 	saveError="Sauvegarde échouée : ",
diff --git a/parts/language/lang_pt.lua b/parts/language/lang_pt.lua
index 974dc0d1..0ad1f28c 100644
--- a/parts/language/lang_pt.lua
+++ b/parts/language/lang_pt.lua
@@ -45,7 +45,7 @@ return{
 	page="Página:",
 
 	ai_fixed="A inteligência é incompatível com sequências fixas.",
-	ai_prebag="A inteligência é incompatível com sequências fixas.",
+	--ai_prebag="The AI is incompatible with custom sequences which have nontetramino.", inteligência é incompatível com sequências fixas.",
 	ai_mission="A inteligência é incompatível com missões costumizadas.",
 	saveDone="Data Salva",
 	saveError="Falha ao salvar:",
diff --git a/parts/language/lang_zh.lua b/parts/language/lang_zh.lua
index 375948e2..6b33fb81 100644
--- a/parts/language/lang_zh.lua
+++ b/parts/language/lang_zh.lua
@@ -54,7 +54,7 @@ return{
 	page="页面:",
 
 	ai_fixed="不能同时开启AI和固定序列",
-	ai_prebag="不能同时开启AI和自定义序列",
+	ai_prebag="不能同时开启AI和含有非四连块的自定义序列",
 	ai_mission="不能同时开启AI和自定义任务",
 	saveDone="保存成功!",
 	saveError="保存失败:",
diff --git a/parts/language/lang_zh2.lua b/parts/language/lang_zh2.lua
index 22154f61..db04acb3 100644
--- a/parts/language/lang_zh2.lua
+++ b/parts/language/lang_zh2.lua
@@ -22,7 +22,7 @@ return{
 	finesse_fc="全连击",
 
 	ai_fixed="不能同时开启电脑玩家和固定序列",
-	ai_prebag="不能同时开启电脑玩家和自定义序列",
+	ai_prebag="不能同时开启电脑玩家和含有非四连块的自定义序列",
 	ai_mission="不能同时开启电脑玩家和自定义任务",
 
 	ranks={"差","可","中","良","优"},
diff --git a/parts/scenes/customGame.lua b/parts/scenes/customGame.lua
index 86994456..1e7c837c 100644
--- a/parts/scenes/customGame.lua
+++ b/parts/scenes/customGame.lua
@@ -55,8 +55,12 @@ function scene.keyDown(key,isRep)
 				MES.new('error',text.ai_fixed)
 				return
 			elseif #BAG>0 then
-				MES.new('error',text.ai_prebag)
-				return
+			    for _=1,#BAG do
+			        if BAG[_]>7 then
+				        MES.new('error',text.ai_prebag)
+				        return
+				    end
+				end
 			elseif #MISSION>0 then
 				MES.new('error',text.ai_mission)
 				return
@@ -241,4 +245,4 @@ scene.widgetList={
 	WIDGET.newSelector{name="bgm",		x=1120,	y=1030,w=250,color='Y',list=BGM.getList(),disp=CUSval("bgm"),code=function(i)CUSTOMENV.bgm=i BGM.play(i)end},
 }
 
-return scene
\ No newline at end of file
+return scene