diff --git a/README.md b/README.md
index ce416b2..4d7c95c 100755
--- a/README.md
+++ b/README.md
@@ -33,7 +33,8 @@ $DESMerchantClient->createDataExchangeRequest($testCase, 2, function ($res) use
 });
 
 // Sync
-$results = $DESMerchantClient->createDataExchangeRequestSync($testCase, 2);
+$res = $DESMerchantClient->createDataExchangeRequestSync($testCase, 2);
+$results = $DESMerchantClient->getResultSync($res->request_id);
 echo json_encode($results);
 ```
 
diff --git a/examples/DESMerchantClientTest.php b/examples/DESMerchantClientTest.php
index c674c1d..a7f52c7 100755
--- a/examples/DESMerchantClientTest.php
+++ b/examples/DESMerchantClientTest.php
@@ -21,5 +21,6 @@
 });
 
 // 同步调用
-$results = $DESMerchantClient->createDataExchangeRequestSync($testCase, 2);
+$res = $DESMerchantClient->createDataExchangeRequestSync($testCase, 2);
+$results = $DESMerchantClient->getResultSync($res->request_id);
 echo json_encode($results);
diff --git a/src/GXChain/Client/DESMerchantClient.php b/src/GXChain/Client/DESMerchantClient.php
index 8175adf..55b29c1 100755
--- a/src/GXChain/Client/DESMerchantClient.php
+++ b/src/GXChain/Client/DESMerchantClient.php
@@ -226,7 +226,7 @@ public function createDataExchangeRequestSync($params, $productId) {
         $request->send_request();
         $res = new ResponseCore($request->get_response_header(), $request->get_response_body(), $request->get_response_code());
         $output = json_decode($res->body);
-        return $this->getResultSync($output->request_id);
+        return $output;
     }
 
     public function getResultSync($requestId, $timeout = 8000) {