diff --git a/libs/core.js b/libs/core.js
index c35abc7f..a878e84c 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -351,7 +351,6 @@ core.prototype.init = function (coreData, callback) {
     });
 
     core.loader._load(function () {
-        console.log(core.material);
         // 设置勇士高度
         core.material.icons.hero.height = core.material.images.hero.height/4;
         // 行走图
@@ -369,6 +368,7 @@ core.prototype.init = function (coreData, callback) {
             };
             core.plugin.__init__ = functions_d6ad677b_427a_4623_b50f_a445a3b0ef8a.plugins.plugin;
             core.plugin.__init__();
+            core._forwardFunc("plugin");
         }
 
         core.showStartAnimate();
@@ -379,29 +379,25 @@ core.prototype.init = function (coreData, callback) {
 }
 
 core.prototype._forwardFuncs = function () {
-    var list = {};
     for (var i = 0; i < main.loadList.length; ++i) {
         var name = main.loadList[i];
         if (name == 'core') continue;
-        for (var funcname in core[name]) {
-            if (funcname.charAt(0) != "_" && core[name][funcname] instanceof Function) {
-                if (list[funcname]) {
-                    main.log("Error forward: "+name+"."+funcname);
-                }
-                else {
-                    list[funcname] = name;
-                }
-            }
-        }
-    }
-    for (var funcname in list) {
-        this._forwardFunc(list[funcname], funcname);
+        this._forwardFunc(name);
     }
 }
 
 core.prototype._forwardFunc = function (name, funcname) {
+    if (funcname == null) {
+        for (funcname in core[name]) {
+            if (funcname.charAt(0) != "_" && core[name][funcname] instanceof Function) {
+                this._forwardFunc(name, funcname);
+            }
+        }
+        return;
+    }
+
     if (core[funcname]) {
-        main.log("Error in forwarding "+funcname+" from "+name+"!");
+        console.error("ERROR: Cannot forward function "+funcname+" from "+name+"!");
         return;
     }
     var parameterInfo = /^\s*function\s*[\w_$]*\(([\w_,$\s]*)\)\s*\{/.exec(core[name][funcname].toString());
diff --git a/libs/maps.js b/libs/maps.js
index a7fb73a2..85dfa778 100644
--- a/libs/maps.js
+++ b/libs/maps.js
@@ -895,6 +895,107 @@ maps.prototype._makeAutotileEdges = function () {
     });
 }
 
+////// 绘制缩略图 //////
+// 此函数将绘制一个缩略图，floorId为目标floorId，blocks为地图的图块（可为null使用floorId对应默认的）
+// options为绘制选项（可为null），包括：
+//    heroLoc: 勇士位置；heroIcon：勇士图标；damage：是否绘制显伤；flags：当前的flags（存读档时使用）
+// toDraw为要绘制到的信息（可为null，或为一个画布名），包括：
+//    ctx：要绘制到的画布（名）；x,y：起点横纵坐标；size：大小；all：是否绘制全图；centerX,centerY：截取中心
+maps.prototype.drawThumbnail = function (floorId, blocks, options, toDraw) {
+    floorId = floorId || core.status.floorId;
+    if (!core.isset(floorId)) return;
+    // Step1：绘制到tempCanvas上
+    this._drawThumbnail_drawTempCanvas(floorId, blocks, options);
+    // Step2：从tempCanvas绘制到对应的画布上
+    this._drawThumbnail_drawToTarget(floorId, toDraw);
+}
+
+maps.prototype._drawThumbnail_drawTempCanvas = function (floorId, blocks, options) {
+    if (!core.isset(blocks)) blocks = core.status.maps[floorId].blocks;
+    if (!core.isset(options)) options = {};
+
+    var width = core.floors[floorId].width;
+    var height = core.floors[floorId].height;
+    // 绘制到tempCanvas上面
+    var tempCanvas = core.bigmap.tempCanvas;
+    var tempWidth = width * 32, tempHeight = height * 32;
+    tempCanvas.canvas.width = tempWidth;
+    tempCanvas.canvas.height = tempHeight;
+    tempCanvas.clearRect(0, 0, tempWidth, tempHeight);
+
+    // --- 暂存 flags
+    var hasHero = core.isset(core.status.hero), flags = null;
+    if (options.flags) {
+        if (!hasHero) core.status.hero = {};
+        flags = core.status.hero.flags;
+        core.status.hero.flags = options.flags;
+    }
+
+    this._drawThumbnail_realDrawTempCanvas(floorId, blocks, options, tempCanvas);
+
+    // --- 恢复 flags
+    if (!hasHero) delete core.status.hero;
+    else if (flags != null) core.status.hero.flags = flags;
+}
+
+maps.prototype._drawThumbnail_realDrawTempCanvas = function (floorId, blocks, options, tempCanvas) {
+    // 缩略图：背景
+    this.drawBg(floorId, tempCanvas);
+    // 缩略图：事件
+    this.drawEvents(floorId, blocks, tempCanvas);
+    // 缩略图：勇士
+    if (options.heroLoc) {
+        options.heroIcon = options.heroIcon || "hero.png";
+        var icon = core.material.icons.hero[options.heroLoc.direction];
+        var height = core.material.images.images[options.heroIcon].height/4;
+        tempCanvas.drawImage(core.material.images.images[options.heroIcon], icon.stop * 32, icon.loc * height, 32, height,
+            32 * options.heroLoc.x, 32 * options.heroLoc . y + 32 - height, 32, height);
+    }
+    // 缩略图：前景
+    this.drawFg(floorId, tempCanvas);
+    // 缩略图：显伤
+    if (options.damage)
+        core.control.updateDamage(floorId, tempCanvas);
+}
+
+maps.prototype._drawThumbnail_drawToTarget = function (floorId, toDraw) {
+    if (!core.isset(toDraw)) return;
+    if (typeof toDraw == 'string' || toDraw.canvas) toDraw = {ctx: toDraw};
+    var ctx = core.getContextByName(toDraw.ctx);
+    if (ctx == null) return;
+    var x = toDraw.x || 0, y = toDraw.y || 0, size = toDraw.size || this.DEFAULT_PIXEL_WIDTH;
+    var width = core.floors[floorId].width, height = core.floors[floorId].height;
+    var centerX = toDraw.centerX, centerY = toDraw.centerY;
+    if (!core.isset(centerX)) centerX = Math.floor(width/2);
+    if (!core.isset(centerY)) centerY = Math.floor(height/2);
+    var tempCanvas = core.bigmap.tempCanvas, tempWidth = 32 * width, tempHeight = 32 * height;
+
+    core.clearMap(ctx, x, y, size, size);
+    if (toDraw.all) {
+        // 绘制全景图
+        if (tempWidth<=tempHeight) {
+            var realHeight = size, realWidth = realHeight * tempWidth / tempHeight;
+            var side = (size - realWidth) / 2;
+            core.fillRect(ctx, x, y, side, realHeight, '#000000');
+            core.fillRect(ctx, x + size - side, y, side, realHeight);
+            ctx.drawImage(tempCanvas.canvas, 0, 0, tempWidth, tempHeight, x + side, y, realWidth, realHeight);
+        }
+        else {
+            var realWidth = size, realHeight = realWidth * tempHeight / tempWidth;
+            var side = (size - realHeight) / 2;
+            core.fillRect(ctx, x, y, realWidth, side, '#000000');
+            core.fillRect(ctx, x, y + size - side, realWidth, side);
+            ctx.drawImage(tempCanvas.canvas, 0, 0, tempWidth, tempHeight, x, y + side, realWidth, realHeight);
+        }
+    }
+    else {
+        // 只绘制可见窗口
+        var halfWidth = parseInt(this.DEFAULT_WIDTH / 2), halfHeight = parseInt(this.DEFAULT_HEIGHT / 2);
+        var offsetX = core.clamp(centerX - halfWidth, 0, width - this.DEFAULT_WIDTH), offsetY = core.clamp(centerY - halfHeight, 0, height - this.DEFAULT_HEIGHT);
+        ctx.drawImage(tempCanvas.canvas, offsetX * 32, offsetY * 32, this.DEFAULT_PIXEL_WIDTH, this.DEFAULT_PIXEL_HEIGHT, x, y, size, size);
+    }
+}
+
 // -------- 获得某个点的图块信息 -------- //
 
 ////// 某个点是否不可通行 //////
diff --git a/libs/ui.js b/libs/ui.js
index f208ae46..0ea67f59 100644
--- a/libs/ui.js
+++ b/libs/ui.js
@@ -2159,140 +2159,8 @@ ui.prototype.drawSLPanel = function(index, refresh) {
 
 ////// 绘制一个缩略图 //////
 ui.prototype.drawThumbnail = function(floorId, canvas, blocks, x, y, size, centerX, centerY, heroLoc, heroIcon) {
-
-    var mw = core.floors[floorId].width;
-    var mh = core.floors[floorId].height;
-    // 绘制到tempCanvas上面
-    var tempCanvas = core.bigmap.tempCanvas;
-    var tempWidth = mw*32, tempHeight = mh*32;
-    tempCanvas.canvas.width = tempWidth;
-    tempCanvas.canvas.height = tempHeight;
-    tempCanvas.clearRect(0, 0, tempWidth, tempHeight);
-
-    // -------- 1. 绘制地板
-    var groundId = (core.status.maps||core.floors)[floorId].defaultGround || "ground";
-    var blockIcon = core.material.icons.terrains[groundId];
-    for (var i = 0; i < mw; i++) {
-        for (var j = 0; j < mh; j++) {
-            tempCanvas.drawImage(core.material.images.terrains, 0, blockIcon * 32, 32, 32, i * 32, j * 32, 32, 32);
-        }
-    }
-
-    var images = [];
-    if (core.isset((core.status.maps||core.floors)[floorId].images)) {
-        images = (core.status.maps||core.floors)[floorId].images;
-        if (typeof images == 'string') {
-            images = [[0, 0, images]];
-        }
-    }
-
-    // -------- 2. 绘制背景贴图
-    images.forEach(function (t) {
-        if (typeof t == 'string') t = [0,0,t];
-        var dx=parseInt(t[0]), dy=parseInt(t[1]), p=t[2], frame = core.clamp(parseInt(t[4]), 1, 8);
-        if (core.isset(dx) && core.isset(dy) &&
-            !core.hasFlag("__floorImg__"+floorId+"_"+dx+"_"+dy) &&
-            core.isset(core.material.images.images[p])) {
-            var image = core.material.images.images[p];
-            var width = image.width / frame, height = image.height;
-            if (!t[3])
-                tempCanvas.drawImage(image, 0, 0, width, height, dx, dy, width, height);
-            else if (t[3]==2)
-                tempCanvas.drawImage(image, 0, height-32, width, 32, dx, dy + height - 32, width, 32);
-        }
-    })
-
-    // -------- 3. 绘制背景图块
-    core.maps.drawBgFgMap(floorId, tempCanvas, "bg");
-
-    // -------- 4. 绘制事件层
-    var mapArray = core.maps.getMapArray(blocks,mw,mh);
-    for (var b in blocks) {
-        var block = blocks[b];
-        if (core.isset(block.event) && !block.disable) {
-            if (block.event.cls == 'autotile') {
-                core.drawAutotile(tempCanvas, mapArray, block, 32, 0, 0);
-            }
-            else if (block.event.cls == 'tileset') {
-                var offset = core.icons.getTilesetOffset(block.event.id);
-                if (offset!=null) {
-                    tempCanvas.drawImage(core.material.images.tilesets[offset.image], 32*offset.x, 32*offset.y, 32, 32, 32*block.x, 32*block.y, 32, 32);
-                }
-            }
-            else if (block.id==17) {
-                if (core.isset(core.material.images.airwall)) {
-                    tempCanvas.drawImage(core.material.images.airwall, 32*block.x, 32*block.y);
-                }
-            }
-            else if (block.event.id!='none') {
-                var blockIcon = core.material.icons[block.event.cls][block.event.id];
-                var blockImage = core.material.images[block.event.cls];
-                var height = block.event.height || 32;
-                tempCanvas.drawImage(blockImage, 0, blockIcon * height, 32, height, 32*block.x, 32*block.y + 32 - height, 32, height);
-            }
-        }
-    }
-    // -------- 5. 绘制勇士
-    if (core.isset(heroLoc)) {
-        if (!core.isset(core.material.images.images[heroIcon]))
-            heroIcon = "hero.png";
-        var icon = core.material.icons.hero[heroLoc.direction];
-        var height = core.material.images.images[heroIcon].height/4;
-        tempCanvas.drawImage(core.material.images.images[heroIcon], icon.stop * 32, icon.loc * height, 32, height, 32*heroLoc.x, 32*heroLoc.y+32-height, 32, height);
-    }
-
-    // -------- 6. 绘制前景贴图
-    images.forEach(function (t) {
-        var dx=parseInt(t[0]), dy=parseInt(t[1]), p=t[2], frame = core.clamp(parseInt(t[4]), 1, 8);
-        if (core.isset(dx) && core.isset(dy) &&
-            !core.hasFlag("__floorImg__"+floorId+"_"+dx+"_"+dy) &&
-            core.isset(core.material.images.images[p])) {
-            var image = core.material.images.images[p];
-            var width = image.width / frame, height = image.height;
-            if (t[3]==1)
-                tempCanvas.drawImage(image, 0, 0, width, height, dx, dy, width, height);
-            else if (t[3]==2)
-                tempCanvas.drawImage(image, 0, 0, width, height-32, dx, dy, width, height-32);
-        }
-    })
-
-    // -------- 7. 绘制前景图块
-    core.maps.drawBgFgMap(floorId, tempCanvas, "fg");
-
-    // -------- 8. 绘制显伤
-    if (core.status.event.id=='viewMaps' && (core.status.event.data||{}).damage)
-        core.control.updateDamage(floorId, tempCanvas);
-
-    var ctx = core.getContextByName(canvas);
-    if (ctx == null) return;    
-
-    // draw to canvas
-    core.clearMap(canvas, x, y, size, size);
-    if (!core.isset(centerX)) centerX=parseInt(mw/2);
-    if (!core.isset(centerY)) centerY=parseInt(mh/2);
-
-    // 如果是浏览地图的全模式
-    if (core.status.event.id=='viewMaps' && (core.status.event.data||{}).all) {
-        if (tempWidth<=tempHeight) {
-            var realHeight = 416, realWidth = realHeight * tempWidth / tempHeight;
-            var side = (416 - realWidth) / 2;
-            core.fillRect(canvas, 0, 0, side, realHeight, '#000000');
-            core.fillRect(canvas, 416-side, 0, side, realHeight);
-            ctx.drawImage(tempCanvas.canvas, 0, 0, tempWidth, tempHeight, side, 0, realWidth, realHeight);
-        }
-        else {
-            var realWidth = 416, realHeight = realWidth * tempHeight / tempWidth;
-            var side = (416 - realHeight) / 2;
-            core.fillRect(canvas, 0, 0, realWidth, side, '#000000');
-            core.fillRect(canvas, 0, 416-side, realWidth, side);
-            ctx.drawImage(tempCanvas.canvas, 0, 0, tempWidth, tempHeight, 0, side, realWidth, realHeight);
-        }
-    }
-    else {
-        var offsetX = core.clamp(centerX-6, 0, mw-13), offsetY = core.clamp(centerY-6, 0, mh-13);
-        // offsetX~offsetX+12; offsetY~offsetY+12
-        ctx.drawImage(tempCanvas.canvas, offsetX*32, offsetY*32, 416, 416, x, y, size, size);
-    }
+    core.drawThumbnail(floorId, blocks, {heroLoc: heroLoc, heroIcon: heroIcon},
+        {ctx: canvas, x: x, y: y, size: size, centerX: centerX, centerY: centerY});
 }
 
 ui.prototype.drawKeyBoard = function () {