diff --git a/src/main/resources/mappers/DeviceTask.xml b/src/main/resources/mappers/DeviceTask.xml
index b98e4ec9..3235da04 100644
--- a/src/main/resources/mappers/DeviceTask.xml
+++ b/src/main/resources/mappers/DeviceTask.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.dispose.mapper.DeviceTaskMapper">
-    <resultMap id="task_info" type="com.dispose.pojo.entity.DeviceTask">
+    <resultMap id="device_task" type="com.dispose.pojo.entity.DeviceTask">
         <id column="id" property="id"/>
         <result column="taskId" property="taskId"/>
         <result column="deviceId" property="deviceId"/>