diff --git a/src/main/java/com/kimgo/wepush/model/DeviceInfoDAO.java b/src/main/java/com/kimgo/wepush/model/DeviceInfoDAO.java
index d1118b2..8f749f8 100644
--- a/src/main/java/com/kimgo/wepush/model/DeviceInfoDAO.java
+++ b/src/main/java/com/kimgo/wepush/model/DeviceInfoDAO.java
@@ -1,11 +1,14 @@
 package com.kimgo.wepush.model;
 
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.Data;
 
 @Data
 @TableName("device_info")
 public class DeviceInfoDAO {
+    @TableId(type = IdType.AUTO)
     private Integer id;
     private long timeOutPeriod;
     private String androidId;