im.md

 #### 引入socket.io
 
 ```javascript
-public static function get_static_js_list() {
+        public static function get_static_js_list() {
 		return array_merge(
 			parent::get_static_js_list(), array(
 			'js/socket.io-1.4.5.js',
@@ -56,7 +56,7 @@ public static function get_static_js_list() {
 
 ```javascript
 
-function print(data){
+        function print(data){
             console.log(uid+'说:',data);
         }
 ```
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