diff --git a/example/matrix/matrix.html b/example/matrix/matrix.html
index e5e17ca..b34cf95 100644
--- a/example/matrix/matrix.html
+++ b/example/matrix/matrix.html
@@ -30,13 +30,6 @@
 
   <body>
     <div id="chart"></div>
-  <!--
-    <p>code Output: (Download codes.rar, then replace the content of dataInput.js with the codes in the textarea below.)</p>
-    <p><textarea id="codeOutput" class="textArea">
-    </textarea></p>
-
-    <p>download <a href="./codes.rar">codes.rar</a></p>
-  -->
     <script type="text/javascript">
     seajs.config({
       alias: {
diff --git a/lib/charts/bullet.js b/lib/charts/bullet.js
index e4259f4..b513fad 100644
--- a/lib/charts/bullet.js
+++ b/lib/charts/bullet.js
@@ -21,19 +21,22 @@
      * Examples:
      * ```
      * //Create bullet in a dom node with id "chart", width is 500; height is 600px;
-     * var bullet = new Bullet("chart",
-     *          {"width": 500,
-     *          "height": 600,
-     *          "margin": [10, 10, 20, 70]});
+     * var bullet = new Bullet("chart", {
+     *     "width": 500,
+     *     "height": 600,
+     *     "margin": [10, 10, 20, 70]
+     * });
      * //Create bullet with log base;
-     * var log = new Bullet("chart2", 
-     *          {width: 300, height: 60, 
-     *          margin : [10, 10, 20, 70],
-     *          backgroundColor: ["#66f", "#ddf"],
-     *          measureColor: ["#000", "#000"],
-     *          markerColor: "#44f",
-     *          axisStyle: "log",
-     *          logBase: 10});
+     * var log = new Bullet("chart2", {
+     *     width: 300,
+     *     height: 60,
+     *     margin: [10, 10, 20, 70],
+     *     backgroundColor: ["#66f", "#ddf"],
+     *     measureColor: ["#000", "#000"],
+     *     markerColor: "#44f",
+     *     axisStyle: "log",
+     *     logBase: 10
+     * });
      * ```
      * @param {Mix} node The dom node or dom node Id
      * @param {Object} options options json object for determin stream style.
@@ -77,17 +80,18 @@
      * 设置数据源
      * Examples:
      * ```
-     * bullet.setSource({    title: "Sample",
-     *      subtitle: "ratio",
-     *      ranges: [0, 0.5, 0.8, 1],
-     *      measures: [0.7, 0.9],
-     *      markers: [0.6],
-     *      rangeTitles: ["below 50%", "top 20% - 50%", "top 20%"],
-     *      measureTitles: ["value is 0.7", "value is 0.9"],
-     *      markerTitles: ["mean is 0.6"] 
+     * bullet.setSource({
+     *    title: "Sample",
+     *    subtitle: "ratio",
+     *    ranges: [0, 0.5, 0.8, 1],
+     *    measures: [0.7, 0.9],
+     *    markers: [0.6],
+     *    rangeTitles: ["below 50%", "top 20% - 50%", "top 20%"],
+     *    measureTitles: ["value is 0.7", "value is 0.9"],
+     *    markerTitles: ["mean is 0.6"]
      * })
      * ```
-     * @param {Object} source 
+     * @param {Object} source 数据源
      */
     Bullet.prototype.setSource = function (source) {
         var conf = this.defaults,
