diff --git a/src/main/java/com/cultural/heritage/model/entity/CartRecord.java b/src/main/java/com/cultural/heritage/model/entity/CartRecord.java
index 2831368..9dc2a09 100644
--- a/src/main/java/com/cultural/heritage/model/entity/CartRecord.java
+++ b/src/main/java/com/cultural/heritage/model/entity/CartRecord.java
@@ -1,5 +1,7 @@
 package com.cultural.heritage.model.entity;
 
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.Data;
 
@@ -19,6 +21,7 @@ public class CartRecord implements Serializable {
     /**
      * 购物车记录id
      */
+    @TableId(type = IdType.AUTO)
     private Long id;
 
     /**