diff --git a/composer.json b/composer.json
index 3d37edc..54f6493 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
   },
   "autoload": {
     "psr-4": {
-      "InternalApi\\": "src/"
+      "PdInternalApi\\": "src/"
     },
     "files": [
       "src/helpers.php"
diff --git a/src/Client.php b/src/Client.php
index 5d52b59..d93227b 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace InternalApi;
+namespace PdInternalApi;
 
 class Client
 {
diff --git a/src/Middleware/InternalApi.php b/src/Middleware/InternalApi.php
index 8cafe7d..6db6e65 100644
--- a/src/Middleware/InternalApi.php
+++ b/src/Middleware/InternalApi.php
@@ -1,13 +1,13 @@
 <?php
 
-namespace InternalApi\Middleware;
+namespace PdInternalApi\Middleware;
 
 use Closure;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Support\Str;
-use function InternalApi\sign;
+use function PdInternalApi\sign;
 
-class InternalApi
+class PdInternalApi
 {
 
     public function __construct()
diff --git a/src/ServiceProvider.php b/src/ServiceProvider.php
index 34a5dad..8b549ce 100644
--- a/src/ServiceProvider.php
+++ b/src/ServiceProvider.php
@@ -1,8 +1,6 @@
 <?php
 
-namespace InternalApi\ServiceProvider;
-
-use InternalApi\Client;
+namespace PdInternalApi;
 
 class ServiceProvider extends Illuminate\Support\ServiceProvider
 {
diff --git a/src/helpers.php b/src/helpers.php
index c15772c..64539f7 100644
--- a/src/helpers.php
+++ b/src/helpers.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace InternalApi;
+namespace PdInternalApi;
 
 /**
  * 签名