diff --git a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/domain/ProductAuthorize.java b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/domain/ProductAuthorize.java
index f2b23a8e..4d476c53 100644
--- a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/domain/ProductAuthorize.java
+++ b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/domain/ProductAuthorize.java
@@ -42,6 +42,10 @@ public class ProductAuthorize extends BaseEntity
     @Excel(name = "用户名称")
     private String userName;
 
+    /** 状态（1-未发布，2-已发布，不能修改） */
+    @Excel(name = "状态", readConverterExp = "1=-未分配，2-使用中")
+    private Integer status;
+
     /** 删除标志（0代表存在 2代表删除） */
     private String delFlag;
 
@@ -53,6 +57,14 @@ public class ProductAuthorize extends BaseEntity
         this.productId = productId;
     }
 
+    public void setStatus(Integer status)
+    {
+        this.status = status;
+    }
+    public Integer getStatus()
+    {
+        return status;
+    }
     public void setAuthorizeId(Long authorizeId)
     {
         this.authorizeId = authorizeId;
diff --git a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/mapper/ProductMapper.java b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/mapper/ProductMapper.java
index fd84ebcb..2afe2c2a 100644
--- a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/mapper/ProductMapper.java
+++ b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/mapper/ProductMapper.java
@@ -116,4 +116,11 @@ public interface ProductMapper
      * @return 结果
      */
     public int thingsCountInProduct(Long productId);
+
+    /**
+     * 产品下的物模型标识符重复数
+     * @param productId 需要删除的数据主键集合
+     * @return 结果
+     */
+    public int thingsRepeatCountInProduct(Long productId);
 }
diff --git a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/ProductAuthorizeServiceImpl.java b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/ProductAuthorizeServiceImpl.java
index c7777887..8287c9dd 100644
--- a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/ProductAuthorizeServiceImpl.java
+++ b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/ProductAuthorizeServiceImpl.java
@@ -60,6 +60,8 @@ public class ProductAuthorizeServiceImpl implements IProductAuthorizeService {
      */
     @Override
     public int insertProductAuthorize(ProductAuthorize productAuthorize) {
+        // 1=未使用，2=使用中
+        productAuthorize.setStatus(1);
         productAuthorize.setCreateTime(DateUtils.getNowDate());
         return productAuthorizeMapper.insertProductAuthorize(productAuthorize);
     }
@@ -72,6 +74,10 @@ public class ProductAuthorizeServiceImpl implements IProductAuthorizeService {
      */
     @Override
     public int updateProductAuthorize(ProductAuthorize productAuthorize) {
+        if(productAuthorize.getDeviceId()!=null && productAuthorize.getDeviceId()!=0){
+            // 1=未使用，2=使用中
+            productAuthorize.setStatus(2);
+        }
         productAuthorize.setUpdateTime(DateUtils.getNowDate());
         return productAuthorizeMapper.updateProductAuthorize(productAuthorize);
     }
@@ -113,6 +119,8 @@ public class ProductAuthorizeServiceImpl implements IProductAuthorizeService {
         SysUser user = getLoginUser().getUser();
         for (int i = 0; i < createNum; i++) {
             ProductAuthorize authorize = new ProductAuthorize();
+            // 1=未使用，2=使用中
+            authorize.setStatus(1);
             authorize.setProductId(productId);
             authorize.setCreateBy(user.getUserName());
             authorize.setCreateTime(DateUtils.getNowDate());
diff --git a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/ProductServiceImpl.java b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/ProductServiceImpl.java
index 31e84ee4..58f2a38a 100644
--- a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/ProductServiceImpl.java
+++ b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/ProductServiceImpl.java
@@ -154,6 +154,11 @@ public class ProductServiceImpl implements IProductService
             if(thingsCount==0){
                 return AjaxResult.error("发布失败，请先添加产品的物模型");
             }
+            // 产品下物模型的标识符必须唯一
+            int repeatCount=productMapper.thingsRepeatCountInProduct(model.getProductId());
+            if(repeatCount>1){
+                return AjaxResult.error("发布失败，产品物模型的标识符必须唯一");
+            }
         }else{
             return AjaxResult.error("状态更新失败,状态值有误");
         }
diff --git a/springboot/wumei-iot/src/main/resources/mapper/iot/ProductAuthorizeMapper.xml b/springboot/wumei-iot/src/main/resources/mapper/iot/ProductAuthorizeMapper.xml
index 9cde6919..6082c616 100644
--- a/springboot/wumei-iot/src/main/resources/mapper/iot/ProductAuthorizeMapper.xml
+++ b/springboot/wumei-iot/src/main/resources/mapper/iot/ProductAuthorizeMapper.xml
@@ -12,6 +12,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <result property="serialNumber"    column="serial_number"    />
         <result property="userId"    column="user_id"    />
         <result property="userName"    column="user_name"    />
+        <result property="status"    column="status"    />
         <result property="delFlag"    column="del_flag"    />
         <result property="createBy"    column="create_by"    />
         <result property="createTime"    column="create_time"    />
@@ -21,7 +22,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </resultMap>
 
     <sql id="selectProductAuthorizeVo">
-        select authorize_id, authorize_code, product_id, device_id, serial_number, user_id, user_name, del_flag, create_by, create_time, update_by, update_time, remark from iot_product_authorize
+        select authorize_id, authorize_code, product_id, device_id, serial_number, user_id, user_name,status, del_flag, create_by, create_time, update_by, update_time, remark from iot_product_authorize
     </sql>
 
     <select id="selectProductAuthorizeList" parameterType="com.ruoyi.iot.domain.ProductAuthorize" resultMap="ProductAuthorizeResult">
@@ -30,12 +31,12 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="authorizeCode != null  and authorizeCode != ''"> and authorize_code = #{authorizeCode}</if>
             <if test="productId != null "> and product_id = #{productId}</if>
             <if test="deviceId != null "> and device_id = #{deviceId}</if>
+            <if test="status != null "> and status = #{status}</if>
             <if test="serialNumber != null  and serialNumber != ''"> and serial_number = #{serialNumber}</if>
             <if test="userId != null "> and user_id = #{userId}</if>
             <if test="userName != null  and userName != ''"> and user_name like concat('%', #{userName}, '%')</if>
         </where>
-        order by
-        device_id desc
+        order by create_time desc
     </select>
     
     <select id="selectProductAuthorizeByAuthorizeId" parameterType="Long" resultMap="ProductAuthorizeResult">
@@ -61,6 +62,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="serialNumber != null">serial_number,</if>
             <if test="userId != null">user_id,</if>
             <if test="userName != null">user_name,</if>
+            <if test="status != null">status,</if>
             <if test="createBy != null and createBy != ''">create_by,</if>
             <if test="createTime != null">create_time,</if>
             <if test="updateBy != null">update_by,</if>
@@ -74,6 +76,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="serialNumber != null">#{serialNumber},</if>
             <if test="userId != null">#{userId},</if>
             <if test="userName != null">#{userName},</if>
+            <if test="status != null">#{status},</if>
             <if test="createBy != null and createBy != ''">#{createBy},</if>
             <if test="createTime != null">#{createTime},</if>
             <if test="updateBy != null">#{updateBy},</if>
@@ -81,12 +84,13 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="remark != null">#{remark},</if>
          </trim>
     </insert>
+
     <insert id="insertBatchAuthorize" parameterType="com.ruoyi.iot.domain.ProductAuthorize" useGeneratedKeys="true" keyProperty="authorizeId">
-        insert into iot_product_authorize (authorize_code,product_id,create_by,create_time)
+        insert into iot_product_authorize (authorize_code,product_id,create_by,create_time,status)
         values
         <foreach item="item" collection="list" separator=",">
             <trim prefix="(" suffix=")" suffixOverrides=",">
-                #{item.authorizeCode},#{item.productId},#{item.createBy},#{item.createTime}
+                #{item.authorizeCode},#{item.productId},#{item.createBy},#{item.createTime},#{item.status}
             </trim>
         </foreach>
     </insert>
@@ -100,6 +104,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="productId != null">product_id = #{productId},</if>
             <if test="serialNumber != null">serial_number = #{serialNumber},</if>
             <if test="userName != null">user_name = #{userName},</if>
+            <if test="status != null">status = #{status},</if>
             <if test="delFlag != null and delFlag != ''">del_flag = #{delFlag},</if>
             <if test="createBy != null and createBy != ''">create_by = #{createBy},</if>
             <if test="createTime != null">create_time = #{createTime},</if>
diff --git a/springboot/wumei-iot/src/main/resources/mapper/iot/ProductMapper.xml b/springboot/wumei-iot/src/main/resources/mapper/iot/ProductMapper.xml
index 5a371a65..5dd0ea25 100644
--- a/springboot/wumei-iot/src/main/resources/mapper/iot/ProductMapper.xml
+++ b/springboot/wumei-iot/src/main/resources/mapper/iot/ProductMapper.xml
@@ -185,6 +185,15 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </select>
 
     <select id="thingsCountInProduct" parameterType="Long" resultType="int">
-        select count(*) from iot_things_model where product_id = #{productId}
+        select count(model_id) from iot_things_model where product_id = #{productId}
+    </select>
+
+    <select id="thingsRepeatCountInProduct" parameterType="Long" resultType="int">
+        SELECT count( identifier )
+        FROM ( SELECT identifier
+               FROM iot_things_model
+               WHERE product_id = #{productId}
+               GROUP BY identifier
+               HAVING count( identifier )> 1 ) AS identifiers
     </select>
 </mapper>
\ No newline at end of file