diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaImmediateDeliveryServiceImpl.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaImmediateDeliveryServiceImpl.java
index ba774d332..2bf98d957 100644
--- a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaImmediateDeliveryServiceImpl.java
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaImmediateDeliveryServiceImpl.java
@@ -98,6 +98,7 @@ public class WxMaImmediateDeliveryServiceImpl implements WxMaImmediateDeliverySe
    */
   @Override
   public AddOrderResponse addOrder(final AddOrderRequest request) throws WxErrorException {
+    request.getDeliverySign();
     return this.parse(this.wxMaService.post(WxMaApiUrlConstants.InstantDelivery.PlaceAnOrder.ADD_ORDER, request),
       AddOrderResponse.class);
   }
@@ -115,6 +116,7 @@ public class WxMaImmediateDeliveryServiceImpl implements WxMaImmediateDeliverySe
    */
   @Override
   public GetOrderResponse getOrder(final GetOrderRequest request) throws WxErrorException {
+    request.getDeliverySign();
     return this.parse(this.wxMaService.post(WxMaApiUrlConstants.InstantDelivery.GET_ORDER, request),
       GetOrderResponse.class);
   }
@@ -131,6 +133,7 @@ public class WxMaImmediateDeliveryServiceImpl implements WxMaImmediateDeliverySe
    */
   @Override
   public CancelOrderResponse cancelOrder(final CancelOrderRequest request) throws WxErrorException {
+    request.getDeliverySign();
     return this.parse(this.wxMaService.post(WxMaApiUrlConstants.InstantDelivery.Cancel.CANCEL_ORDER, request),
       CancelOrderResponse.class);
   }
@@ -147,6 +150,7 @@ public class WxMaImmediateDeliveryServiceImpl implements WxMaImmediateDeliverySe
    */
   @Override
   public AbnormalConfirmResponse abnormalConfirm(final AbnormalConfirmRequest request) throws WxErrorException {
+    request.getDeliverySign();
     return this.parse(this.wxMaService.post(WxMaApiUrlConstants.InstantDelivery.Cancel.ABNORMAL_CONFIRM, request),
       AbnormalConfirmResponse.class);
   }
diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/delivery/base/WxMaDeliveryBaseRequest.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/delivery/base/WxMaDeliveryBaseRequest.java
index a139ea907..b01b04e76 100644
--- a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/delivery/base/WxMaDeliveryBaseRequest.java
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/delivery/base/WxMaDeliveryBaseRequest.java
@@ -113,7 +113,8 @@ public abstract class WxMaDeliveryBaseRequest implements Serializable {
             str = str.concat(getShopOrderId());
         }
         str = str.concat(getAppSecret());
-        return DigestUtils.sha1Hex(str);
+        this.deliverySign = DigestUtils.sha1Hex(str);
+        return this.deliverySign;
     }
 
 }
diff --git a/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/test/AddOrderJsonTest.java b/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/test/AddOrderJsonTest.java
new file mode 100644
index 000000000..b072eff18
--- /dev/null
+++ b/weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/test/AddOrderJsonTest.java
@@ -0,0 +1,20 @@
+package cn.binarywang.wx.miniapp.test;
+
+import cn.binarywang.wx.miniapp.bean.delivery.AddOrderRequest;
+import me.chanjar.weixin.common.util.json.WxGsonBuilder;
+import org.testng.annotations.Test;
+
+public class AddOrderJsonTest {
+
+  /**
+   * 验证转化Json时是否有deliverySign
+   */
+  @Test
+  public void test(){
+    AddOrderRequest request = new AddOrderRequest();
+    request.setShopId("1");
+    request.setAppSecret("2");
+    request.getDeliverySign();
+    System.out.printf(WxGsonBuilder.create().toJson(request));
+  }
+}