diff --git a/src/adv/Adv.lua b/src/adv/Adv.lua
index b4bb351..c096613 100644
--- a/src/adv/Adv.lua
+++ b/src/adv/Adv.lua
@@ -1377,7 +1377,7 @@ local function checkChooseCondFunc(self, condStr, room, block, tag, chooseData)
 				for _, room in pairs(self:getCurMap().rooms) do
 					for _, block in pairs(room.blocks) do
 						if block:isMonster() then
-							if not monsterId then return false end
+							if not monsterId or monsterId == 0 then return false end
 							if block.event.id == monsterId then
 								return false
 							end
@@ -1387,7 +1387,7 @@ local function checkChooseCondFunc(self, condStr, room, block, tag, chooseData)
 			else
 				for _, cblock in ipairs(self:getCurMap():getBlocksBySize(room.roomId, block.blockId, size)) do
 					if cblock:isMonster() then
-						if not monsterId then return false end
+						if not monsterId or monsterId == 0 then return false end
 						if cblock.event.id == monsterId then
 							return false
 						end
@@ -1402,7 +1402,7 @@ local function checkChooseCondFunc(self, condStr, room, block, tag, chooseData)
 				for _, room in pairs(self:getCurMap().rooms) do
 					for _, block in pairs(room.blocks) do
 						if block:isBuild() then
-							if not buildId then return false end
+							if not buildId or buildId == 0 then return false end
 							if block.event.id == buildId then
 								return false
 							end
@@ -1412,7 +1412,7 @@ local function checkChooseCondFunc(self, condStr, room, block, tag, chooseData)
 			else
 				for _, cblock in ipairs(self:getCurMap():getBlocksBySize(room.roomId, block.blockId, size)) do
 					if cblock:isBuild() then
-						if not buildId then return false end
+						if not buildId or buildId == 0 then return false end
 						if cblock.event.id == buildId then
 							return false
 						end
@@ -1427,7 +1427,7 @@ local function checkChooseCondFunc(self, condStr, room, block, tag, chooseData)
 				for _, room in pairs(self:getCurMap().rooms) do
 					for _, block in pairs(room.blocks) do
 						if block:isChoose() then
-							if not chooseId then return false end
+						if not chooseId or chooseId == 0 then return false end
 							if block.event.id == chooseId then
 								return false
 							end
@@ -1437,7 +1437,7 @@ local function checkChooseCondFunc(self, condStr, room, block, tag, chooseData)
 			else
 				for _, cblock in ipairs(self:getCurMap():getBlocksBySize(room.roomId, block.blockId, size)) do
 					if cblock:isChoose() then
-						if not chooseId then return false end
+						if not chooseId or chooseId == 0 then return false end
 						if cblock.event.id == chooseId then
 							return false
 						end
--
libgit2 0.21.2