diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/device/WxMaDeviceSubscribeMessageRequest.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/device/WxMaDeviceSubscribeMessageRequest.java
index 34158391a0..7ff7ec2537 100644
--- a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/device/WxMaDeviceSubscribeMessageRequest.java
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/device/WxMaDeviceSubscribeMessageRequest.java
@@ -54,6 +54,12 @@ public class WxMaDeviceSubscribeMessageRequest implements Serializable {
   @SerializedName("miniprogram_state")
   private String miniprogramState;
 
+  /**
+   * 设备型号 id ，通过注册设备获得。
+   */
+  @SerializedName("modelId")
+  private String modelId;
+
   /**
    * 进入小程序查看”的语言类型，支持zh_CN(简体中文)、en_US(英文)、zh_HK(繁体中文)、zh_TW(繁体中文)，默认为zh_CN.
    */