diff --git a/libs/actions.js b/libs/actions.js
index 1724c529..a43b19ce 100644
--- a/libs/actions.js
+++ b/libs/actions.js
@@ -372,18 +372,10 @@ actions.prototype.onmove = function (loc) {
 }
 
 ////// 当点击（触摸）事件放开时 //////
-actions.prototype.onup = function (loc) {
+actions.prototype.onup = function () {
     if (core.isset(core.status.replay)&&core.status.replay.replaying
         &&core.status.event.id!='save'&&(core.status.event.id||"").indexOf('book')!=0&&core.status.event.id!='viewMaps') return;
 
-    // 画板
-    if (core.status.played && (core.status.event||{}).id=='paint') {
-        this.onupPaint(loc.x, loc.y)
-        return;
-    }
-
-    var x = parseInt(loc.x / loc.size), y = parseInt(loc.y / loc.size);
-
     clearTimeout(core.timeout.onDownTimeout);
     core.timeout.onDownTimeout = null;
     clearInterval(core.interval.onDownInterval);
@@ -2452,18 +2444,7 @@ actions.prototype.onmovePaint = function (x, y) {
     core.status.event.data.y = y;
 }
 
-actions.prototype.onupPaint = function (x,y) {
-    x+=core.bigmap.offsetX;
-    y+=core.bigmap.offsetY;
-    if (core.status.event.data.erase) {
-        core.clearMap('route', x-5, y-5, 10, 10);
-    }
-    else if (core.status.event.data.x!=null) {
-        var midx = (core.status.event.data.x+x)/2, midy = (core.status.event.data.y+y)/2;
-        core.canvas.route.quadraticCurveTo(midx, midy, x, y);
-        core.canvas.route.stroke();
-    }
-
+actions.prototype.onupPaint = function () {
     core.status.event.data.x = null;
     core.status.event.data.y = null;
     // 保存
diff --git a/libs/core.js b/libs/core.js
index 77ad01e9..bda156dc 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -407,8 +407,8 @@ core.prototype.onmove = function (loc) {
 }
 
 ////// 当点击（触摸）事件放开时 //////
-core.prototype.onup = function (loc) {
-    return core.actions.onup(loc);
+core.prototype.onup = function () {
+    return core.actions.onup();
 }
 
 ////// 获得点击事件相对左上角的坐标（0到12之间） //////
diff --git a/main.js b/main.js
index 2def3d70..f82481fd 100644
--- a/main.js
+++ b/main.js
@@ -344,12 +344,9 @@ main.dom.data.onmousemove = function (e) {
 }
 
 ////// 鼠标放开时 //////
-main.dom.data.onmouseup = function (e) {
+main.dom.data.onmouseup = function () {
     try {
-        e.stopPropagation();
-        var loc = main.core.getClickLoc(e.clientX, e.clientY);
-        if (loc == null) return;
-        main.core.onup(loc);
+        main.core.onup();
     }catch (e) {}
 }
 
@@ -386,10 +383,7 @@ main.dom.data.ontouchmove = function (e) {
 ////// 手指离开触摸屏时 //////
 main.dom.data.ontouchend = function () {
     try {
-        e.preventDefault();
-        var loc = main.core.getClickLoc(e.targetTouches[0].clientX, e.targetTouches[0].clientY);
-        if (loc == null) return;
-        main.core.onup(loc);
+        main.core.onup();
     } catch (e) {
     }
 }