diff --git a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/controller/FirmwareController.java b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/controller/FirmwareController.java
index d55e372b..bd820491 100644
--- a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/controller/FirmwareController.java
+++ b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/controller/FirmwareController.java
@@ -87,6 +87,17 @@ public class FirmwareController extends BaseController
         return AjaxResult.success(firmwareService.selectFirmwareByFirmwareId(firmwareId));
     }
 
+    /**
+     * 获取设备最新固件
+     */
+    @ApiOperation("获取设备最新固件")
+    @PreAuthorize("@ss.hasPermi('iot:firmware:query')")
+    @GetMapping(value = "/getLatest/{deviceId}")
+    public AjaxResult getLatest(@PathVariable("deviceId") Long deviceId)
+    {
+        return AjaxResult.success(firmwareService.selectLatestFirmware(deviceId));
+    }
+
     /**
      * 新增产品固件
      */
diff --git a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/domain/Firmware.java b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/domain/Firmware.java
index 919d93ed..e3fbb126 100644
--- a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/domain/Firmware.java
+++ b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/domain/Firmware.java
@@ -43,6 +43,10 @@ public class Firmware extends BaseEntity
     @Excel(name = "是否系统通用", readConverterExp = "0=-否，1-是")
     private Integer isSys;
 
+    /** 是否最新版（0-否，1-是） */
+    @Excel(name = "是否系统通用", readConverterExp = "0=-否，1-是")
+    private Integer isLatest;
+
     /** 固件版本 */
     @Excel(name = "固件版本")
     private BigDecimal version;
@@ -54,7 +58,15 @@ public class Firmware extends BaseEntity
     /** 删除标志（0代表存在 2代表删除） */
     private String delFlag;
 
-    public void setFirmwareId(Long firmwareId) 
+    public Integer getIsLatest() {
+        return isLatest;
+    }
+
+    public void setIsLatest(Integer isLatest) {
+        this.isLatest = isLatest;
+    }
+
+    public void setFirmwareId(Long firmwareId)
     {
         this.firmwareId = firmwareId;
     }
diff --git a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/mapper/FirmwareMapper.java b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/mapper/FirmwareMapper.java
index 3635160d..2dab4aea 100644
--- a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/mapper/FirmwareMapper.java
+++ b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/mapper/FirmwareMapper.java
@@ -21,6 +21,14 @@ public interface FirmwareMapper
      */
     public Firmware selectFirmwareByFirmwareId(Long firmwareId);
 
+    /**
+     * 查询设备最新固件
+     *
+     * @param deviceId 产品固件主键
+     * @return 产品固件
+     */
+    public Firmware selectLatestFirmware(Long deviceId);
+
     /**
      * 查询产品固件列表
      * 
diff --git a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/IFirmwareService.java b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/IFirmwareService.java
index 5b5ccd2d..eac0b66b 100644
--- a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/IFirmwareService.java
+++ b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/IFirmwareService.java
@@ -19,6 +19,14 @@ public interface IFirmwareService
      */
     public Firmware selectFirmwareByFirmwareId(Long firmwareId);
 
+    /**
+     * 查询设备最新固件
+     *
+     * @param deviceId 产品固件主键
+     * @return 产品固件
+     */
+    public Firmware selectLatestFirmware(Long deviceId);
+
     /**
      * 查询产品固件列表
      * 
diff --git a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/FirmwareServiceImpl.java b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/FirmwareServiceImpl.java
index 35f57950..ecf609c1 100644
--- a/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/FirmwareServiceImpl.java
+++ b/springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/FirmwareServiceImpl.java
@@ -37,6 +37,18 @@ public class FirmwareServiceImpl implements IFirmwareService
         return firmwareMapper.selectFirmwareByFirmwareId(firmwareId);
     }
 
+    /**
+     * 查询设备最新固件
+     *
+     * @param deviceId 产品固件主键
+     * @return 产品固件
+     */
+    @Override
+    public Firmware selectLatestFirmware(Long deviceId)
+    {
+        return firmwareMapper.selectLatestFirmware(deviceId);
+    }
+
     /**
      * 查询产品固件列表
      * 
diff --git a/springboot/wumei-iot/src/main/resources/mapper/iot/FirmwareMapper.xml b/springboot/wumei-iot/src/main/resources/mapper/iot/FirmwareMapper.xml
index a6cdaca6..5cfa1920 100644
--- a/springboot/wumei-iot/src/main/resources/mapper/iot/FirmwareMapper.xml
+++ b/springboot/wumei-iot/src/main/resources/mapper/iot/FirmwareMapper.xml
@@ -12,6 +12,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <result property="tenantId"    column="tenant_id"    />
         <result property="tenantName"    column="tenant_name"    />
         <result property="isSys"    column="is_sys"    />
+        <result property="isLatest"    column="is_latest"    />
         <result property="version"    column="version"    />
         <result property="filePath"    column="file_path"    />
         <result property="createTime"    column="create_time"    />
@@ -20,7 +21,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </resultMap>
 
     <sql id="selectFirmwareVo">
-        select firmware_id, firmware_name, product_id, product_name, tenant_id, tenant_name, is_sys, version, file_path, create_time,  update_time, remark from iot_firmware
+        select firmware_id, firmware_name, product_id, product_name, tenant_id, tenant_name, is_sys,is_latest, version, file_path, create_time,  update_time, remark from iot_firmware
     </sql>
 
     <select id="selectFirmwareList" parameterType="com.ruoyi.iot.domain.Firmware" resultMap="FirmwareResult">
@@ -30,6 +31,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="productName != null  and productName != ''"> and product_name like concat('%', #{productName}, '%')</if>
             <if test="tenantId != null  and tenantId != ''"> and tenant_id = #{tenantId}</if>
             <if test="productId != null"> and product_id = #{productId}</if>
+            <if test="isLatest != null"> and is_latest = #{isLatest}</if>
         </where>
       order by create_time desc
     </select>
@@ -38,6 +40,16 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <include refid="selectFirmwareVo"/>
         where firmware_id = #{firmwareId}
     </select>
+
+    <select id="selectLatestFirmware" parameterType="Long" resultMap="FirmwareResult">
+        select f.firmware_id, f.firmware_name, f.product_id, f.product_name, f.tenant_id, f.tenant_name, f.is_sys,f.is_latest, f.version,
+               f.file_path, f.create_time, f.remark
+        from iot_device d
+                 left join iot_firmware f on d.product_id = f.product_id
+        where d.device_id=#{deviceId} and f.is_latest=1
+        order by f.create_time desc
+        limit 1
+    </select>
         
     <insert id="insertFirmware" parameterType="com.ruoyi.iot.domain.Firmware" useGeneratedKeys="true" keyProperty="firmwareId">
         insert into iot_firmware
@@ -48,6 +60,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="tenantId != null">tenant_id,</if>
             <if test="tenantName != null and tenantName != ''">tenant_name,</if>
             <if test="isSys != null">is_sys,</if>
+            <if test="isLatest != null">is_latest,</if>
             <if test="version != null">version,</if>
             <if test="filePath != null and filePath != ''">file_path,</if>
             <if test="delFlag != null">del_flag,</if>
@@ -64,6 +77,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="tenantId != null">#{tenantId},</if>
             <if test="tenantName != null and tenantName != ''">#{tenantName},</if>
             <if test="isSys != null">#{isSys},</if>
+            <if test="isLatest != null">#{isLatest},</if>
             <if test="version != null">#{version},</if>
             <if test="filePath != null and filePath != ''">#{filePath},</if>
             <if test="delFlag != null">#{delFlag},</if>
@@ -84,6 +98,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="tenantId != null">tenant_id = #{tenantId},</if>
             <if test="tenantName != null and tenantName != ''">tenant_name = #{tenantName},</if>
             <if test="isSys != null">is_sys = #{isSys},</if>
+            <if test="isLatest != null">is_latest = #{isLatest},</if>
             <if test="version != null">version = #{version},</if>
             <if test="filePath != null and filePath != ''">file_path = #{filePath},</if>
             <if test="delFlag != null">del_flag = #{delFlag},</if>