diff --git a/Lib/Alidayu/helper.php b/Lib/Alidayu/Helper.php
similarity index 97%
rename from Lib/Alidayu/helper.php
rename to Lib/Alidayu/Helper.php
index cbe7ca3..3f28393 100644
--- a/Lib/Alidayu/helper.php
+++ b/Lib/Alidayu/Helper.php
@@ -2,7 +2,7 @@
 
 namespace Sms\Lib\Alidayu;
 
-class helper{
+class Helper{
     
     public function send($conf,$to, $param){
         $c = new TopClient;
diff --git a/Lib/Ucpaas/helper.php b/Lib/Ucpaas/Helper.php
similarity index 97%
rename from Lib/Ucpaas/helper.php
rename to Lib/Ucpaas/Helper.php
index 624cf85..2c5c750 100644
--- a/Lib/Ucpaas/helper.php
+++ b/Lib/Ucpaas/Helper.php
@@ -2,7 +2,7 @@
 
 namespace Sms\Lib\Ucpaas;
 
-class helper{
+class Helper{
 
     protected $conf;
 
diff --git a/Service/SmsService.class.php b/Service/SmsService.class.php
index 5242191..1d95c8f 100644
--- a/Service/SmsService.class.php
+++ b/Service/SmsService.class.php
@@ -28,31 +28,31 @@ class SmsService {
     public static function sendSms($template, $to, $param = NULL, $operator = NULL) {
 	
 	
-        //如果没有传入短信平台，则使用 default 短信平台发送
-	if (null == $operator){
-	    $operator = M('smsOperator')->where("enable='1'")->find()['tablename'];
-	}
+        //如果没有传入短信平台，则使用后台配置的开启的短信平台发送
+	    if (null == $operator){
+	        $operator = M('smsOperator')->where("enable='1'")->find()['tablename'];
+	    }
 
-	// if param is not a json string, make it to json
+	    // 如果传入数据不是 json 字符串，将其转化为 json 字符串
         if (is_array($param)) {
-	    // make sure every param is a instance of string
-	    foreach($param as $k => $v){
-		$param[$k] = $v . "";
-	    }
+	        // 保证所有的参数都是字符串类型
+	        foreach($param as $k => $v){
+		        $param[$k] = $v . "";
+	        }
             $param = json_encode($param);
         }
 	
-	//get sms operator configure
+	    // 获取短信模板配置
         $model = M('sms_' . $operator);
         $conf = $model->find($template);
 
         //检查是否存在指定的文件
-        $file = dirname(dirname(__FILE__)) . DIRECTORY_SEPARATOR . "Lib" . DIRECTORY_SEPARATOR . ucfirst($operator) . DIRECTORY_SEPARATOR."helper.php";
+        $file = dirname(dirname(__FILE__)) . DIRECTORY_SEPARATOR . "Lib" . DIRECTORY_SEPARATOR . ucfirst($operator) . DIRECTORY_SEPARATOR."Helper.php";
 
         if (file_exists($file)) {
             //导入当前模块下Lib目录下的指定文件
-            require_once(PROJECT_PATH . "Application/Sms/Lib/" . ucfirst($operator) . "/helper.php");
-            $className = "\\Sms\\Lib\\" . ucfirst($operator) . "\\helper";
+            require_once(PROJECT_PATH . "Application/Sms/Lib/" . ucfirst($operator) . "/Helper.php");
+            $className = "\\Sms\\Lib\\" . ucfirst($operator) . "\\Helper";
             $helper = new $className();
             $result = json_encode($helper->send($conf, $to, $param));