diff --git a/cocos2d/render-texture/CCRenderTexture.js b/cocos2d/render-texture/CCRenderTexture.js
index 97bd77700a..050672a66f 100644
--- a/cocos2d/render-texture/CCRenderTexture.js
+++ b/cocos2d/render-texture/CCRenderTexture.js
@@ -235,10 +235,10 @@ cc.RenderTexture = cc.Node.extend(/** @lends cc.RenderTexture# */{
 
     /**
      * clears the texture with a color
-     * @param {Number|cc.Rect} r red 0-1
-     * @param {Number} g green 0-1
-     * @param {Number} b blue 0-1
-     * @param {Number} a alpha 0-1
+     * @param {Number|cc.Rect} r red 0-255
+     * @param {Number} g green 0-255
+     * @param {Number} b blue 0-255
+     * @param {Number} a alpha 0-255
      */
     clear: function (r, g, b, a) {
         this.beginWithClear(r, g, b, a);
diff --git a/cocos2d/shape-nodes/CCDrawNode.js b/cocos2d/shape-nodes/CCDrawNode.js
index d0843ec6b6..48caafa13f 100644
--- a/cocos2d/shape-nodes/CCDrawNode.js
+++ b/cocos2d/shape-nodes/CCDrawNode.js
@@ -530,6 +530,7 @@ cc.game.addEventListener(cc.game.EVENT_RENDERER_INITED, function () {
             },
 
             onEnter: function () {
+                cc.Node.prototype.onEnter.call(this);
                 if (this._occupiedSize < this._bufferCapacity) {
                     this._ensureCapacity(this._bufferCapacity);
                 }
@@ -539,6 +540,7 @@ cc.game.addEventListener(cc.game.EVENT_RENDERER_INITED, function () {
                 if (!this.manualRelease) {
                     this.release();
                 }
+                cc.Node.prototype.onExit.call(this);
             },
 
             release: function () {
diff --git a/extensions/editbox/CCEditBox.js b/extensions/editbox/CCEditBox.js
index 3f271550f5..5fa8044506 100644
--- a/extensions/editbox/CCEditBox.js
+++ b/extensions/editbox/CCEditBox.js
@@ -849,7 +849,7 @@ cc.EditBox.create = function (size, normal9SpriteBg, press9SpriteBg, disabled9Sp
             }
 
             if (editBox._delegate && editBox._delegate.editBoxTextChanged) {
-                if (editBox._text.toLowerCase() !== this.value.toLowerCase()) {
+                if (editBox._text !== this.value) {
                     editBox._text = this.value;
                     thisPointer._updateDomTextCases();
                     editBox._delegate.editBoxTextChanged(editBox, editBox._text);