diff --git a/src/Gateway.php b/src/Gateway.php
index 828b4df..10cd75d 100644
--- a/src/Gateway.php
+++ b/src/Gateway.php
@@ -7,7 +7,7 @@
 use Omnipay\MyCash\Message\CompletePurchaseRequest;
 use Omnipay\MyCash\Message\FetchTransactionRequest;
 use Omnipay\MyCash\Message\PurchaseRequest;
-use Omnipay\MyCash\Message\ReceiveTransactionInfoRequest;
+use Omnipay\MyCash\Message\GetPaymentInfoRequest;
 use Omnipay\MyCash\Traits\HasMyCash;
 
 /**
@@ -39,7 +39,7 @@ public function purchase(array $options = [])
     public function completePurchase(array $options = [])
     {
         if ($this->httpRequest->request->get('RtnCode') === '5') {
-            return $this->receiveTransactionInfo($options);
+            return $this->getPaymentInfo($options);
         }
 
         return $this->createRequest(CompletePurchaseRequest::class, $options);
@@ -48,15 +48,15 @@ public function completePurchase(array $options = [])
     public function acceptNotification(array $options = [])
     {
         if ($this->httpRequest->request->get('RtnCode') === '5') {
-            return $this->receiveTransactionInfo($options);
+            return $this->getPaymentInfo($options);
         }
 
         return $this->createRequest(AcceptNotificationRequest::class, $options);
     }
 
-    public function receiveTransactionInfo(array $options = [])
+    public function getPaymentInfo(array $options = [])
     {
-        return $this->createRequest(ReceiveTransactionInfoRequest::class, $options);
+        return $this->createRequest(GetPaymentInfoRequest::class, $options);
     }
 
     public function fetchTransaction(array $options = [])
diff --git a/src/Message/ReceiveTransactionInfoRequest.php b/src/Message/GetPaymentInfoRequest.php
similarity index 77%
rename from src/Message/ReceiveTransactionInfoRequest.php
rename to src/Message/GetPaymentInfoRequest.php
index b90ed7f..aa73b11 100644
--- a/src/Message/ReceiveTransactionInfoRequest.php
+++ b/src/Message/GetPaymentInfoRequest.php
@@ -6,7 +6,7 @@
 use Omnipay\Common\Message\AbstractRequest;
 use Omnipay\MyCash\Traits\HasMyCash;
 
-class ReceiveTransactionInfoRequest extends AbstractRequest
+class GetPaymentInfoRequest extends AbstractRequest
 {
     use HasMyCash;
 
@@ -28,10 +28,10 @@ public function getData()
 
     /**
      * @param  array  $data
-     * @return ReceiveTransactionInfoResponse
+     * @return GetPaymentInfoResponse
      */
     public function sendData($data)
     {
-        return $this->response = new ReceiveTransactionInfoResponse($this, $data);
+        return $this->response = new GetPaymentInfoResponse($this, $data);
     }
 }
diff --git a/src/Message/ReceiveTransactionInfoResponse.php b/src/Message/GetPaymentInfoResponse.php
similarity index 70%
rename from src/Message/ReceiveTransactionInfoResponse.php
rename to src/Message/GetPaymentInfoResponse.php
index d91c9ac..e95fee6 100644
--- a/src/Message/ReceiveTransactionInfoResponse.php
+++ b/src/Message/GetPaymentInfoResponse.php
@@ -2,7 +2,7 @@
 
 namespace Omnipay\MyCash\Message;
 
-class ReceiveTransactionInfoResponse extends CompletePurchaseResponse
+class GetPaymentInfoResponse extends CompletePurchaseResponse
 {
     /**
      * @return bool
diff --git a/tests/Message/ReceiveTransactionInfoRequestTest.php b/tests/Message/GetPaymentInfoRequestTest.php
similarity index 89%
rename from tests/Message/ReceiveTransactionInfoRequestTest.php
rename to tests/Message/GetPaymentInfoRequestTest.php
index 3cf68a2..7542492 100644
--- a/tests/Message/ReceiveTransactionInfoRequestTest.php
+++ b/tests/Message/GetPaymentInfoRequestTest.php
@@ -2,10 +2,10 @@
 
 namespace Omnipay\MyCash\Tests\Message;
 
-use Omnipay\MyCash\Message\ReceiveTransactionInfoRequest;
+use Omnipay\MyCash\Message\GetPaymentInfoRequest;
 use Omnipay\Tests\TestCase;
 
-class ReceiveTransactionInfoRequestTest extends TestCase
+class GetPaymentInfoRequestTest extends TestCase
 {
     private $initialize = [
         'HashKey' => 'FEFRGFEFWEF', // 廠商 HashKey(由易沛提供)
@@ -30,7 +30,7 @@ public function testATMReceiveTransactionInfoRequest(): void
         ];
 
         $this->getHttpRequest()->request->add($options);
-        $request = new ReceiveTransactionInfoRequest($this->getHttpClient(), $this->getHttpRequest());
+        $request = new GetPaymentInfoRequest($this->getHttpClient(), $this->getHttpRequest());
         $request->initialize($this->initialize);
 
         $response = $request->send();
@@ -66,7 +66,7 @@ public function testCVSReceiveTransactionInfoRequest(): void
         ];
 
         $this->getHttpRequest()->request->add($options);
-        $request = new ReceiveTransactionInfoRequest($this->getHttpClient(), $this->getHttpRequest());
+        $request = new GetPaymentInfoRequest($this->getHttpClient(), $this->getHttpRequest());
         $request->initialize($this->initialize);
 
         $response = $request->send();