diff --git a/docs/api.md b/docs/api.md
index f7591ef6..8593f9b9 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -168,6 +168,10 @@ core.nextY(n)
 获得勇士面向的第n个位置的y坐标，n可以省略默认为1（即正前方）
 
 
+core.nearHero(x, y)
+判断某个点是否和勇士的距离不超过1。
+
+
 core.openDoor(id, x, y, needKey, callback)    [异步]
 尝试开门操作。id为目标点的ID，x和y为坐标，needKey表示是否需要使用钥匙，callback为开门完毕后的回调函数。
 id可为null代表使用地图上的值。
diff --git a/libs/control.js b/libs/control.js
index 096bb1d2..1fdfe3e9 100644
--- a/libs/control.js
+++ b/libs/control.js
@@ -1125,6 +1125,11 @@ control.prototype.nextY = function (n) {
     return core.getHeroLoc('y')+core.utils.scan[core.getHeroLoc('direction')].y*(n||1);
 }
 
+////// 某个点是否在勇士旁边 //////
+control.prototype.nearHero = function (x, y) {
+    return Math.abs(x-core.getHeroLoc('x'))+Math.abs(y-core.getHeroLoc('y'))<=1;
+}
+
 ////// 聚集跟随者 //////
 control.prototype.gatherFollowers = function () {
     if (!core.isset(core.status.hero.followers) || core.status.hero.followers.length==0) return;
diff --git a/libs/core.js b/libs/core.js
index 3694ef92..da5b109d 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -602,6 +602,11 @@ core.prototype.nextY = function (n) {
     return core.control.nextY(n);
 }
 
+////// 某个点是否在勇士旁边 //////
+core.prototype.nearHero = function (x, y) {
+    return core.control.nearHero(x, y);
+}
+
 /////////// 自动行走 & 行走控制 END ///////////
 
 
diff --git a/project/items.js b/project/items.js
index 8b25809c..2074a79d 100644
--- a/project/items.js
+++ b/project/items.js
@@ -385,23 +385,23 @@ var items_296f5d02_12fd_4166_a7c1_b5e830c9ee3a =
 	},
 	"canUseItemEffect": {
 		"book": "true",
-		"fly": "core.status.hero.flyRange.indexOf(core.status.floorId)>=0",
-		"pickaxe": "var able=false;\nvar ids = [], id2s = [];\nfor (var i in core.status.thisMap.blocks) {\n\tvar block = core.status.thisMap.blocks[i];\n\tif (core.isset(block.event) && !block.disable && Math.abs(block.x-core.status.hero.loc.x)+Math.abs(block.y-core.status.hero.loc.y)<=1 && \n\t\t(block.event.canBreak || block.event.id == 'yellowWall' || block.event.id=='whiteWall' || block.event.id=='blueWall')) { // 能破哪些墙\n\t\t// 四个方向\n\t\tif (core.flags.pickaxeFourDirections || (block.x == core.nextX() && block.y == core.nextY()))\n\t\t\tids.push(i);\n\t\telse id2s.push(i);\n\t}\n}\nif (ids.length>0) {\n\tcore.status.event.data = ids;\n\table=true;\n}\nelse if (id2s.length==1) {\n\tcore.status.event.data = id2s;\n\table=true;\n}\nable",
-		"icePickaxe": "var able=false;\nfor (var i in core.status.thisMap.blocks) {\n\tvar block = core.status.thisMap.blocks[i];\n\tif (core.isset(block.event) && !block.disable && block.x==core.nextX() && block.y==core.nextY() && block.event.id=='ice') {\n\t\tcore.status.event.data = [i];\n\t\table=true;\n\t}\n}\nable",
-		"bomb": "var able=false;\nvar ids = [], id2s = [];\nfor (var i in core.status.thisMap.blocks) {\n\tvar block = core.status.thisMap.blocks[i];\n\tif (core.isset(block.event) && !block.disable && block.event.cls.indexOf('enemy')==0 && Math.abs(block.x-core.getHeroLoc('x'))+Math.abs(block.y-core.getHeroLoc('y'))<=1) {\n\t\tvar enemy = core.material.enemys[block.event.id];\n\t\tif (core.isset(enemy) && enemy.notBomb) continue;\n\t\tif (core.flags.bombFourDirections || (block.x==core.nextX() && block.y==core.nextY()))\n\t\t\tids.push(i);\n\t\telse\n\t\t\tid2s.push(i);\n\t}\n}\nif (ids.length>0) {\n\tcore.status.event.data = ids;\n\table=true;\n}\nelse if (id2s.length==1) {\n\tcore.status.event.data = id2s;\n\table=true;\n}\nable",
-		"hammer": "var able=false;\nvar ids = [], id2s = [];\nfor (var i in core.status.thisMap.blocks) {\n\tvar block = core.status.thisMap.blocks[i];\n\tif (core.isset(block.event) && !block.disable && block.event.cls.indexOf('enemy')==0 && Math.abs(block.x-core.getHeroLoc('x'))+Math.abs(block.y-core.getHeroLoc('y'))<=1) {\n\t\tvar enemy = core.material.enemys[block.event.id];\n\t\tif (core.isset(enemy) && enemy.notBomb) continue;\n\t\tif (block.x==core.nextX() && block.y==core.nextY())\n\t\t\tids.push(i);\n\t\telse\n\t\t\tid2s.push(i);\n\t}\n}\nif (ids.length>0) {\n\tcore.status.event.data = ids;\n\table=true;\n}\nelse if (id2s.length==1) {\n\tcore.status.event.data = id2s;\n\table=true;\n}\nable",
-		"earthquake": "var able=false;\nvar ids = [];\nfor (var i in core.status.thisMap.blocks) {\n\tvar block = core.status.thisMap.blocks[i];\n\tif (core.isset(block.event) && !block.disable &&\n\t\t(block.event.canBreak || block.event.id == 'yellowWall' || block.event.id == 'blueWall' || block.event.id == 'whiteWall')) { // 能炸的墙壁\n\t\tids.push(i);\n\t}\n}\nif (ids.length>0) {\n\tcore.status.event.data = ids;\n\table=true;\n}\nable",
-		"centerFly": "var toX = (core.bigmap.width||13)-1-core.getHeroLoc('x'), toY = (core.bigmap.height||13)-1-core.getHeroLoc('y');\ncore.getBlockId(toX, toY) == null",
-		"upFly": "var able=false;\nvar floorId = core.status.floorId, index = core.floorIds.indexOf(floorId);\nif (index<core.floorIds.length-1) {\n\tvar toId = core.floorIds[index+1], toX = core.getHeroLoc('x'), toY = core.getHeroLoc('y');\n\tvar mw = core.floors[toId].width||13, mh = core.floors[toId].height||13;\n\tif (toX>=0 && toX<mw && toY>=0 && toY<mh && core.getBlock(toX, toY, toId)==null) {\n\t\tcore.status.event.data = {'id': toId, 'x': toX, 'y': toY};\n\t\table=true;\n\t}\n}\nable",
-		"downFly": "var able=false;\nvar floorId = core.status.floorId, index = core.floorIds.indexOf(floorId);\nif (index>0) {\n\tvar toId = core.floorIds[index-1], toX = core.getHeroLoc('x'), toY = core.getHeroLoc('y');\n\tvar mw = core.floors[toId].width||13, mh = core.floors[toId].height||13;\n\tif (toX>=0 && toX<mw && toY>=0 && toY<mh && core.getBlock(toX, toY, toId)==null) {\n\t\tcore.status.event.data = {'id': toId, 'x': toX, 'y': toY};\n\t\table=true;\n\t}\n}\nable",
-		"snow": "var able=false;\nvar ids = [], id2s = [];\nfor (var i in core.status.thisMap.blocks) {\n\tvar block = core.status.thisMap.blocks[i];\n\tif (core.isset(block.event) && !block.disable && block.event.id == 'lava' && Math.abs(block.x-core.getHeroLoc('x'))+Math.abs(block.y-core.getHeroLoc('y'))<=1) {\n\t\tif (core.flags.snowFourDirections || (block.x == core.nextX() && block.y == core.nextY()))\n\t\t\tids.push(i);\n\t\telse id2s.push(i);\n\t}\n}\nif (ids.length>0) {\n\tcore.status.event.data = ids;\n\table=true;\n}\nelse if (id2s.length==1) {\n\tcore.status.event.data = id2s;\n\table=true;\n}\nable",
-		"bigKey": "var able=false;\nvar ids = [];\nfor (var i in core.status.thisMap.blocks) {\n\tvar block = core.status.thisMap.blocks[i];\n\tif (core.isset(block.event) && !block.disable && block.event.id == 'yellowDoor') {\n\t\tids.push(i);\n\t}\n}\nif (ids.length>0) {\n\tcore.status.event.data = ids;\n\table=true;\n}\nable",
-		"poisonWine": "core.hasFlag('poison')",
-		"weakWine": "core.hasFlag('weak')",
-		"curseWine": "core.hasFlag('curse')",
-		"superWine": "core.hasFlag('poison') || core.hasFlag('weak') || core.hasFlag('curse')",
+		"fly": "(function () {\n\treturn core.status.hero.flyRange.indexOf(core.status.floorId)>=0;\n})();",
+		"pickaxe": "(function() {\n\tvar ids = [], id2s = [];\n\tfor (var i in core.status.thisMap.blocks) {\n\t\tvar block = core.status.thisMap.blocks[i];\n\t\tif (core.isset(block.event) && !block.disable && core.nearHero(block.x, block.y) && \n\t\t\t(block.event.canBreak || block.event.id == 'yellowWall' || block.event.id=='whiteWall' || block.event.id=='blueWall')) { // 能破哪些墙\n\t\t\t// 四个方向\n\t\t\tif (core.flags.pickaxeFourDirections || (block.x == core.nextX() && block.y == core.nextY()))\n\t\t\t\tids.push(i);\n\t\t\telse id2s.push(i);\n\t\t}\n\t}\n\tif (ids.length>0) {\n\t\tcore.status.event.data = ids;\n\t\treturn true;\n\t}\n\telse if (id2s.length==1) {\n\t\tcore.status.event.data = id2s;\n\t\treturn true;\n\t}\n\treturn false;\n})();",
+		"icePickaxe": "(function() {\n\tfor (var i in core.status.thisMap.blocks) {\n\t\tvar block = core.status.thisMap.blocks[i];\n\t\tif (core.isset(block.event) && !block.disable && block.x==core.nextX() && block.y==core.nextY() && block.event.id=='ice') {\n\t\t\tcore.status.event.data = [i];\n\t\t\treturn true;\n\t\t}\n\t}\n\treturn false;\n})();",
+		"bomb": "(function () {\n\tvar ids = [], id2s = [];\n\tfor (var i in core.status.thisMap.blocks) {\n\t\tvar block = core.status.thisMap.blocks[i];\n\t\tif (core.isset(block.event) && !block.disable && block.event.cls.indexOf('enemy')==0 && core.nearHero(block.x, block.y)) {\n\t\t\tvar enemy = core.material.enemys[block.event.id];\n\t\t\tif (core.isset(enemy) && enemy.notBomb) continue;\n\t\t\tif (core.flags.bombFourDirections || (block.x==core.nextX() && block.y==core.nextY()))\n\t\t\t\tids.push(i);\n\t\t\telse\n\t\t\t\tid2s.push(i);\n\t\t}\n\t}\n\tif (ids.length>0) {\n\t\tcore.status.event.data = ids;\n\t\treturn true;\n\t}\n\tif (id2s.length==1) {\n\t\tcore.status.event.data = id2s;\n\t\treturn true;\n\t}\n\treturn false;\n})();",
+		"hammer": "(function() {\n\tvar ids = [], id2s = [];\n\tfor (var i in core.status.thisMap.blocks) {\n\t\tvar block = core.status.thisMap.blocks[i];\n\t\tif (core.isset(block.event) && !block.disable && block.event.cls.indexOf('enemy')==0 && core.nearHero(block.x, block.y)) {\n\t\t\tvar enemy = core.material.enemys[block.event.id];\n\t\t\tif (core.isset(enemy) && enemy.notBomb) continue;\n\t\t\tif (block.x==core.nextX() && block.y==core.nextY())\n\t\t\t\tids.push(i);\n\t\t\telse\n\t\t\t\tid2s.push(i);\n\t\t}\n\t}\n\tif (ids.length>0) {\n\t\tcore.status.event.data = ids;\n\t\treturn true;\n\t}\n\telse if (id2s.length==1) {\n\t\tcore.status.event.data = id2s;\n\t\treturn true;\n\t}\n\treturn false;\n})();",
+		"earthquake": "(function () {\n\tvar able=false;\n\tvar ids = [];\n\tfor (var i in core.status.thisMap.blocks) {\n\t\tvar block = core.status.thisMap.blocks[i];\n\t\tif (core.isset(block.event) && !block.disable &&\n\t\t\t(block.event.canBreak || block.event.id == 'yellowWall' || block.event.id == 'blueWall' || block.event.id == 'whiteWall')) { // 能炸的墙壁\n\t\t\tids.push(i);\n\t\t}\n\t}\n\tif (ids.length>0) {\n\t\tcore.status.event.data = ids;\n\t\table=true;\n\t}\n\treturn able;\n})();",
+		"centerFly": "(function () {\n\tvar toX = (core.bigmap.width||13)-1-core.getHeroLoc('x'), toY = (core.bigmap.height||13)-1-core.getHeroLoc('y');\n\tvar id = core.getBlockId(toX, toY);\n\treturn id == null;\n})();",
+		"upFly": "(function() {\n\tvar floorId = core.status.floorId, index = core.floorIds.indexOf(floorId);\n\tif (index<core.floorIds.length-1) {\n\t\tvar toId = core.floorIds[index+1], toX = core.getHeroLoc('x'), toY = core.getHeroLoc('y');\n\t\tvar mw = core.floors[toId].width||13, mh = core.floors[toId].height||13;\n\t\tif (toX>=0 && toX<mw && toY>=0 && toY<mh && core.getBlock(toX, toY, toId)==null) {\n\t\t\tcore.status.event.data = {'id': toId, 'x': toX, 'y': toY};\n\t\t\treturn true;\n\t\t}\n\t}\n\treturn false;\n})();",
+		"downFly": "(function() {\n\tvar floorId = core.status.floorId, index = core.floorIds.indexOf(floorId);\n\tif (index>0) {\n\t\tvar toId = core.floorIds[index-1], toX = core.getHeroLoc('x'), toY = core.getHeroLoc('y');\n\t\tvar mw = core.floors[toId].width||13, mh = core.floors[toId].height||13;\n\t\tif (toX>=0 && toX<mw && toY>=0 && toY<mh && core.getBlock(toX, toY, toId)==null) {\n\t\t\tcore.status.event.data = {'id': toId, 'x': toX, 'y': toY};\n\t\t\treturn true;\n\t\t}\n\t}\n\treturn false;\n})();",
+		"snow": "(function () {\n\tvar ids = [], id2s = [];\n\tfor (var i in core.status.thisMap.blocks) {\n\t\tvar block = core.status.thisMap.blocks[i];\n\t\tif (core.isset(block.event) && !block.disable && block.event.id == 'lava' && core.nearHero(block.x, block.y)) {\n\t\t\tif (core.flags.snowFourDirections || (block.x == core.nextX() && block.y == core.nextY()))\n\t\t\t\tids.push(i);\n\t\t\telse id2s.push(i);\n\t\t}\n\t}\n\tif (ids.length>0) {\n\t\tcore.status.event.data = ids;\n\t\treturn true;\n\t}\n\tif (id2s.length==1) {\n\t\tcore.status.event.data = id2s;\n\t\treturn true;\n\t}\n\treturn false;\n})();",
+		"bigKey": "(function() {\n\tvar able=false, ids = [];\n\tfor (var i in core.status.thisMap.blocks) {\n\t\tvar block = core.status.thisMap.blocks[i];\n\t\tif (core.isset(block.event) && !block.disable && block.event.id == 'yellowDoor') {\n\t\t\tids.push(i);\n\t\t}\n\t}\n\tif (ids.length>0) {\n\t\tcore.status.event.data = ids;\n\t\table=true;\n\t}\n\treturn able;\n})();",
+		"poisonWine": "core.hasFlag('poison');",
+		"weakWine": "core.hasFlag('weak');",
+		"curseWine": "core.hasFlag('curse');",
+		"superWine": "(function() {\n\treturn core.hasFlag('poison') || core.hasFlag('weak') || core.hasFlag('curse');\n})();",
 		"lifeWand": "true",
-		"jumpShoes": "var nx=core.nextX(2),ny=core.nextY(2);nx>=0&&nx<core.bigmap.width&&ny>=0&&ny<core.bigmap.height&&core.getBlock(nx,ny)==null",
+		"jumpShoes": "(function() {\n\tvar nx=core.nextX(2), ny=core.nextY(2);\n\treturn nx>=0 && nx<core.bigmap.width && ny>=0 && ny<core.bigmap.height && core.getBlockId(nx,ny)==null;\n})();",
 		"redPotion": "true",
 		"bluePotion": "true",
 		"greenPotion": "true",