diff --git a/WeChat/Contracts/Config.php b/WeChat/Contracts/Config.php
index 6e73ce7..7b9fdd1 100644
--- a/WeChat/Contracts/Config.php
+++ b/WeChat/Contracts/Config.php
@@ -12,7 +12,7 @@
 // | github开源项目：https://github.com/zoujingli/WeChatDeveloper
 // +----------------------------------------------------------------------
 
-namespace Wechat\Contracts;
+namespace WeChat\Contracts;
 
 use ArrayAccess;
 
diff --git a/WeChat/Contracts/Error.php b/WeChat/Contracts/Error.php
index 016e72c..6f82617 100644
--- a/WeChat/Contracts/Error.php
+++ b/WeChat/Contracts/Error.php
@@ -12,12 +12,12 @@
 // | github开源项目：https://github.com/zoujingli/WeChatDeveloper
 // +----------------------------------------------------------------------
 
-namespace Wechat\Contracts;
+namespace WeChat\Contracts;
 
 /**
  * 错误消息处理
  * Class Error
- * @package Wechat\Contracts
+ * @package WeChat\Contracts
  */
 class Error
 {
diff --git a/WeChat/Contracts/Request.php b/WeChat/Contracts/Request.php
index 94107d5..3af17fc 100644
--- a/WeChat/Contracts/Request.php
+++ b/WeChat/Contracts/Request.php
@@ -12,7 +12,7 @@
 // | github开源项目：https://github.com/zoujingli/WeChatDeveloper
 // +----------------------------------------------------------------------
 
-namespace Wechat\Contracts;
+namespace WeChat\Contracts;
 
 use Wechat\Exceptions\InvalidArgumentException;
 use Wechat\Exceptions\InvalidDecryptException;
@@ -21,7 +21,7 @@ use Wechat\Exceptions\InvalidResponseException;
 /**
  * 微信通知处理基本类
  * Class Request
- * @package Wechat\Contracts
+ * @package WeChat\Contracts
  */
 class Request
 {
diff --git a/WeChat/Contracts/Tools.php b/WeChat/Contracts/Tools.php
index e8766fe..c48b86e 100644
--- a/WeChat/Contracts/Tools.php
+++ b/WeChat/Contracts/Tools.php
@@ -12,7 +12,7 @@
 // | github开源项目：https://github.com/zoujingli/WeChatDeveloper
 // +----------------------------------------------------------------------
 
-namespace Wechat\Contracts;
+namespace WeChat\Contracts;
 
 use Wechat\Exceptions\InvalidArgumentException;
 use Wechat\Exceptions\InvalidResponseException;
diff --git a/WeChat/Contracts/WeChat.php b/WeChat/Contracts/WeChat.php
index bb3cc37..3d8222a 100644
--- a/WeChat/Contracts/WeChat.php
+++ b/WeChat/Contracts/WeChat.php
@@ -19,7 +19,7 @@ use WeChat\Exceptions\InvalidResponseException;
 
 /**
  * Class Wechat
- * @package Wechat\Contracts
+ * @package WeChat\Contracts
  */
 class WeChat
 {
diff --git a/WeChat/Oauth.php b/WeChat/Oauth.php
index 0a5aefb..2928d9e 100644
--- a/WeChat/Oauth.php
+++ b/WeChat/Oauth.php
@@ -14,7 +14,7 @@
 
 namespace Wechat;
 
-use Wechat\Contracts\Wechat;
+use WeChat\Contracts\Wechat;
 
 /**
  * 微信网页授权
diff --git a/WeChat/Pay.php b/WeChat/Pay.php
index 246a2d0..78aa375 100644
--- a/WeChat/Pay.php
+++ b/WeChat/Pay.php
@@ -22,7 +22,7 @@ use WeChat\Exceptions\InvalidResponseException;
 /**
  * 微信支付商户
  * Class Pay
- * @package Wechat\Contracts
+ * @package WeChat\Contracts
  */
 class Pay
 {