diff --git a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thinkmodelfunction/thingModel/ThingModelEvent.java b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thinkmodelfunction/thingModel/ThingModelEvent.java
index 96dff1adf..d7fa68758 100644
--- a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thinkmodelfunction/thingModel/ThingModelEvent.java
+++ b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thinkmodelfunction/thingModel/ThingModelEvent.java
@@ -7,8 +7,19 @@ import java.util.List;
 @Data
 public class ThingModelEvent {
 
+    /**
+     * 事件标识符
+     */
     private String identifier;
+    /**
+     * 事件名称
+     */
     private String name;
+    /**
+     * 事件描述
+     */
+    private String description;
+
     /**
      * 事件类型
      *
@@ -16,7 +27,6 @@ public class ThingModelEvent {
      */
     private String type;
     private List<ThingModelArgument> outputData;
-    private String description;
     private String method;
 
 }
diff --git a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thinkmodelfunction/thingModel/ThingModelProperty.java b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thinkmodelfunction/thingModel/ThingModelProperty.java
index 4f9e32c59..025d37e76 100644
--- a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thinkmodelfunction/thingModel/ThingModelProperty.java
+++ b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thinkmodelfunction/thingModel/ThingModelProperty.java
@@ -6,11 +6,22 @@ import lombok.Data;
 @Data
 public class ThingModelProperty {
 
+    /**
+     * 属性标识符
+     */
     private String identifier;
+    /**
+     * 属性名称
+     */
     private String name;
-    private String accessMode; // "rw"、"r"、"w"
-    private Boolean required;
-    private ThingModelDataType dataType;
+    /**
+     * 属性描述
+     */
     private String description;
 
+    private String accessMode; // "rw"、"r"、"w"
+    private Boolean required;
+    // TODO @haohao：这个是不是 dataSpecs 和 dataSpecsList？https://help.aliyun.com/zh/iot/developer-reference/api-a99t11
+    private ThingModelDataType dataType;
+
 }
diff --git a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thinkmodelfunction/thingModel/ThingModelService.java b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thinkmodelfunction/thingModel/ThingModelService.java
index 839ceff47..d97e05e9c 100644
--- a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thinkmodelfunction/thingModel/ThingModelService.java
+++ b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/controller/admin/thinkmodelfunction/thingModel/ThingModelService.java
@@ -7,8 +7,19 @@ import java.util.List;
 @Data
 public class ThingModelService {
 
+    /**
+     * 服务标识符
+     */
     private String identifier;
+    /**
+     * 服务名称
+     */
     private String name;
+    /**
+     * 服务描述
+     */
+    private String description;
+
     /**
      * 调用类型
      *
@@ -17,7 +28,6 @@ public class ThingModelService {
     private String callType;
     private List<ThingModelArgument> inputData;
     private List<ThingModelArgument> outputData;
-    private String description;
     private String method;
 
 }
diff --git a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/dataobject/thinkmodelfunction/IotThinkModelFunctionDO2.java b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/dataobject/thinkmodelfunction/IotThinkModelFunctionDO2.java
new file mode 100644
index 000000000..ece631c77
--- /dev/null
+++ b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/dataobject/thinkmodelfunction/IotThinkModelFunctionDO2.java
@@ -0,0 +1,85 @@
+package cn.iocoder.yudao.module.iot.dal.dataobject.thinkmodelfunction;
+
+import cn.iocoder.yudao.framework.mybatis.core.dataobject.BaseDO;
+import cn.iocoder.yudao.module.iot.controller.admin.thinkmodelfunction.thingModel.ThingModelEvent;
+import cn.iocoder.yudao.module.iot.controller.admin.thinkmodelfunction.thingModel.ThingModelProperty;
+import cn.iocoder.yudao.module.iot.dal.dataobject.product.IotProductDO;
+import com.baomidou.mybatisplus.annotation.KeySequence;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * IoT 产品物模型功能 DO
+ *
+ * 每个 {@link IotProductDO} 和 {@link IotThinkModelFunctionDO2} 是“一对多”的关系，它的每个属性、事件、服务都对应一条记录
+ *
+ * @author 芋道源码
+ */
+@TableName("iot_think_model_function")
+@KeySequence("iot_think_model_function_seq") // 用于 Oracle、PostgreSQL、Kingbase、DB2、H2 数据库的主键自增。如果是 MySQL 等数据库，可不写。
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class IotThinkModelFunctionDO2 extends BaseDO {
+
+    /**
+     * 物模型功能编号
+     */
+    @TableId
+    private Long id;
+
+    /**
+     * 功能标识
+     */
+    private String identifier;
+    /**
+     * 功能名称
+     */
+    private String name;
+    /**
+     * 功能描述
+     */
+    private String description;
+
+    /**
+     * 产品标识
+     *
+     * 关联 {@link IotProductDO#getId()}
+     */
+    private Long productId;
+    /**
+     * 产品标识
+     *
+     * 关联 {@link IotProductDO#getProductKey()}
+     */
+    private String productKey;
+
+    /**
+     * 功能类型
+     *
+     * 1 - 属性
+     * 2 - 服务
+     * 3 - 事件
+     */
+    // TODO @haohao：枚举
+    private Integer type;
+
+    /**
+     * 属性
+     */
+    private ThingModelProperty property;
+    /**
+     * 事件
+     */
+    private ThingModelEvent event;
+    /**
+     * 服务
+     */
+    private String service;
+
+}
\ No newline at end of file