diff --git a/docs/api.md b/docs/api.md
index b2912204..482edf44 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -543,10 +543,6 @@ zIndex为创建的纵向高度（关系到画布之间的覆盖），z值高的
 返回创建的画布的context，也可以通过core.dymCanvas[name]调用。
 
 
-core.ui.findCanvas(name)
-寻找一个自定义画布的索引；如果存在该画布则返回对应的索引，不存在画布则返回-1。
-
-
 core.ui.relocateCanvas(name, x, y)
 重新定位一个自定义画布。
 
diff --git a/libs/control.js b/libs/control.js
index 9c16cf3c..ba58df00 100644
--- a/libs/control.js
+++ b/libs/control.js
@@ -3169,11 +3169,11 @@ control.prototype.domRenderer = function(){
         });
     }
     // 动态canvas
-    for (var i = 0; i < core.dymCanvas._list.length; i++) {
-        var spirit = core.dymCanvas._list[i];
-        core.dymCanvas[spirit.id].canvas.style.width = core.dymCanvas[spirit.id].canvas.width * core.domStyle.scale + "px";
-        core.dymCanvas[spirit.id].canvas.style.height = core.dymCanvas[spirit.id].canvas.height * core.domStyle.scale + "px";
-        core.dymCanvas[spirit.id].canvas.style.left = spirit.style.left * core.domStyle.scale + "px";
-        core.dymCanvas[spirit.id].canvas.style.top = spirit.style.top * core.domStyle.scale + "px"
+    for (var name in core.dymCanvas) {
+        var ctx = core.dymCanvas[name], canvas = ctx.canvas;
+        canvas.style.width = canvas.width * core.domStyle.scale + "px";
+        canvas.style.height = canvas.height * core.domStyle.scale + "px";
+        canvas.style.left = parseFloat(canvas.getAttribute("_left")) * core.domStyle + "px";
+        canvas.style.top = parseFloat(canvas.getAttribute("_top")) * core.domStyle + "px";
     }
 }
\ No newline at end of file
diff --git a/libs/core.js b/libs/core.js
index a77b8c06..b7271415 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -192,9 +192,7 @@ function core() {
         'animateObjs': [],
     };
     this.status = {};
-    this.dymCanvas = {
-        "_list": []
-    };
+    this.dymCanvas = {};
 }
 
 /////////// 系统事件相关 ///////////
@@ -734,11 +732,6 @@ core.prototype.createCanvas = function (name, x, y, width, height, z) {
     return core.ui.createCanvas(name, x, y, width, height, z);
 }
 
-////// canvas查找 //////
-core.prototype.findCanvas = function (name) {
-    return core.ui.findCanvas(name);
-}
-
 ////// canvas重定位 //////
 core.prototype.relocateCanvas = function (name, x, y) {
     return core.ui.relocateCanvas(name, x, y);
diff --git a/libs/events.js b/libs/events.js
index 16e5e82e..c915a462 100644
--- a/libs/events.js
+++ b/libs/events.js
@@ -1573,7 +1573,6 @@ events.prototype.hideImage = function (code, time, callback) {
     time = time || 0;
     var name = "image"+ (code+100);
     if (!core.isset(core.dymCanvas[name])) {
-        console.log(code+"号图片不存在")
         if (core.isset(callback)) callback();
         return;
     }
@@ -1635,19 +1634,20 @@ events.prototype.textImage = function (content) {
 events.prototype.moveImage = function (code, to, opacityVal, time, callback) {
     time = time || 1000;
 
-    var name = "image"+ (code+100), index = core.findCanvas(name);
-    if (index == -1) {
-        console.log(code+"号图片不存在")
+    var name = "image"+ (code+100);
+    if (!core.isset(core.dymCanvas[name])) {
         if (core.isset(callback)) callback();
         return;
     }
-    var fromX = core.dymCanvas._list[index].style.left,
-        fromY = core.dymCanvas._list[index].style.top,
+    var fromX = parseFloat(core.dymCanvas[name].canvas.getAttribute("_left")),
+        fromY = parseFloat(core.dymCanvas[name].canvas.getAttribute("_top")),
         preX = fromX, preY = fromY, toX = fromX, toY = fromY;
 
     if (core.isset(to)) {
-        toX = core.calValue(to[0]) || toX;
-        toY = core.calValue(to[1]) || toY;
+        toX = core.calValue(to[0]);
+        toY = core.calValue(to[1]);
+        if (!core.isset(toX)) toX = fromX;
+        if (!core.isset(toY)) toY = fromY;
     }
 
     var step = 0;
diff --git a/libs/ui.js b/libs/ui.js
index 60d5303a..fde72b85 100644
--- a/libs/ui.js
+++ b/libs/ui.js
@@ -2845,8 +2845,7 @@ ui.prototype.drawHelp = function () {
 ////// canvas创建 //////
 ui.prototype.createCanvas = function (name, x, y, width, height, z) {
     // 如果画布已存在则直接调用
-    var cv = this.findCanvas(name);
-    if (cv!=-1) {
+    if (core.isset(core.dymCanvas[name])) {
         this.relocateCanvas(name, x, y);
         this.resizeCanvas(name, width, height);
         core.dymCanvas[name].canvas.style.zIndex = z;
@@ -2857,6 +2856,8 @@ ui.prototype.createCanvas = function (name, x, y, width, height, z) {
     newCanvas.style.display = 'block';
     newCanvas.width = width;
     newCanvas.height = height;
+    newCanvas.setAttribute("_left", x);
+    newCanvas.setAttribute("_top", y);
     newCanvas.style.width = width * core.domStyle.scale + 'px';
     newCanvas.style.height = height * core.domStyle.scale + 'px';
     newCanvas.style.left = x * core.domStyle.scale + 'px';
@@ -2864,70 +2865,50 @@ ui.prototype.createCanvas = function (name, x, y, width, height, z) {
     newCanvas.style.zIndex = z;
     newCanvas.style.position = 'absolute';
     core.dymCanvas[name] = newCanvas.getContext('2d');
-    core.dymCanvas._list.push({
-        "id": name,
-        "style": {
-            "left": x,
-            "top": y,
-        }
-    });
     core.dom.gameDraw.appendChild(newCanvas);
     return core.dymCanvas[name];
 }
 
-////// canvas查找 //////
-ui.prototype.findCanvas = function (name) {
-    if (!core.isset(name)) return -1;
-    for (var index = 0; index < core.dymCanvas._list.length; index++) {
-        if (core.dymCanvas._list[index].id == name)
-            return index;
-    }
-    return -1;
-}
-
 ////// canvas重定位 //////
 ui.prototype.relocateCanvas = function (name, x, y) {
-    var index = this.findCanvas(name);
-    if (index<0) return null;
+    var ctx = core.dymCanvas[name];
+    if (!core.isset(ctx)) return null;
     if (core.isset(x)) {
-        core.dymCanvas[name].canvas.style.left = x * core.domStyle.scale + 'px';
-        core.dymCanvas._list[index].style.left = x;
+        ctx.canvas.style.left = x * core.domStyle.scale + 'px';
+        ctx.canvas.setAttribute("_left", x);
     }
     if (core.isset(y)) {
-        core.dymCanvas[name].canvas.style.top = y * core.domStyle.scale + 'px';
-        core.dymCanvas._list[index].style.top = y;
+        ctx.canvas.style.top = y * core.domStyle.scale + 'px';
+        ctx.canvas.setAttribute("_top", y);
     }
-    return core.dymCanvas[name];
+    return ctx;
 }
 
 ////// canvas重置 //////
 ui.prototype.resizeCanvas = function (name, width, height) {
-    if (this.findCanvas(name)<0) return null;
-    var dstCanvas = core.dymCanvas[name].canvas;
+    var ctx = core.dymCanvas[name];
+    if (!core.isset(ctx)) return null;
     if (core.isset(width)) {
-        dstCanvas.width = width;
-        dstCanvas.style.width = width * core.domStyle.scale + 'px';
+        ctx.canvas.width = width;
+        ctx.canvas.style.width = width * core.domStyle.scale + 'px';
     }
     if (core.isset(height)) {
-        dstCanvas.height = height;
-        dstCanvas.style.height = height * core.domStyle.scale + 'px';
+        ctx.canvas.height = height;
+        ctx.canvas.style.height = height * core.domStyle.scale + 'px';
     }
-    return core.dymCanvas[name];
+    return ctx;
 }
 ////// canvas删除 //////
 ui.prototype.deleteCanvas = function (name) {
-    var index = this.findCanvas(name);
-    if (index<0) return null;
+    if (!core.isset(core.dymCanvas[name])) return null;
     core.dom.gameDraw.removeChild(core.dymCanvas[name].canvas);
     delete core.dymCanvas[name];
-    core.dymCanvas._list.splice(index,1);
 }
 
 ////// 删除所有动态canvas //////
 ui.prototype.deleteAllCanvas = function () {
-    core.dymCanvas._list.forEach(function (t) {
-        core.dom.gameDraw.removeChild(core.dymCanvas[t.id].canvas);
-        delete core.dymCanvas[t.id];
+    Object.keys(core.dymCanvas).forEach(function (name) {
+        core.dom.gameDraw.removeChild(core.dymCanvas[name].canvas);
+        delete core.dymCanvas[name];
     });
-    core.dymCanvas._list = [];
 }