diff --git a/examples/client.php b/examples/client.php
index 56e90fa..4dbaf90 100644
--- a/examples/client.php
+++ b/examples/client.php
@@ -1,7 +1,6 @@
 <?PHP
 
 /**
- * struct
  * {
  *   unisgned char type;
  *   unsigned int time;
@@ -52,5 +51,4 @@ $ret = remoteCall("127.0.0.1", "5188", '{"controller":"site","methor":"test","pa
 //'{"controller":"site","methor":"test","params":{"id":1,"status":0}}'
 echo "{$ret}\n";
 
-?>
-
+?>
\ No newline at end of file
diff --git a/src/BaseService.php b/src/BaseService.php
index abdaee2..7809736 100644
--- a/src/BaseService.php
+++ b/src/BaseService.php
@@ -76,6 +76,11 @@ abstract class BaseService {
      * @var array swoole配置数组
      */
     public $config;
+    
+    /**
+     * @var string 日志路径
+     */
+    public $logFile = "/tmp/airpc-log";
 
     /**
      * @param string $listen 监听地址
@@ -89,7 +94,8 @@ abstract class BaseService {
             'task_worker_num' => $this->taskWorkerNum,
             'max_request' => $this->maxRequest,
             'max_conn' => $this->maxConn,
-            'daemonize' => $this->daemonize
+            'daemonize' => $this->daemonize,
+            'log_file' => $this->logFile
         ];
     }
 
diff --git a/src/Pack.php b/src/Pack.php
index bd67136..10957cc 100644
--- a/src/Pack.php
+++ b/src/Pack.php
@@ -12,14 +12,6 @@ namespace blobt\airpc;
  *
  * @author blobt
  * Rpc协议 0.3
- * struct
- * {
- *   unisgned char type;
- *   unsigned int time;
- *   unisgned int serid;
- *   unsigned int length;
- *   char body[0];
- * }
  */
 class Pack {
 
diff --git a/src/RpcServer.php b/src/RpcServer.php
index 0a846f2..837e667 100644
--- a/src/RpcServer.php
+++ b/src/RpcServer.php
@@ -63,11 +63,11 @@ class RpcServer extends BaseService {
             $this->send($fd, $ret);
         } catch (\Error $e) {
             //TODO 记录日志
-            print_r($e);
+            echo "YeeError: ".$e->getMessage();
             $this->send($fd, "YeeError");
         } catch (\Exception $e) {
             //TODO 记录日志
-            print_r($e);
+            echo "YeeException: ".$e->getMessage();
             $this->send($fd, "YeeException");
         }
     }