diff --git a/README.md b/README.md
index 2304353..922a335 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ $options = [
 $w = new Order($secretKey, 'callback url', $options);
 
 // 获取工单数据
-$response = $w->getProductOrder('SN5436745676543');
+$response = $w->getProductOrder(1);
 
 // 加工工单原木材种
 $w->getWoodTypeOptions([
@@ -58,9 +58,6 @@ $response = $w->createProductOrder([
     'owner'          => 'ykxiao'
 ]);
 
-// 获取加工单
-$response = $w->getProductOrder(1);
-
 // 更新加工工单
 $response = $w->updateProductOrder([
     'id'             => 1,