diff --git a/src/main/java/com/webgame/webgamebackend/entities/UserEntity.java b/src/main/java/com/webgame/webgamebackend/entities/UserEntity.java
new file mode 100644
index 0000000..0a4a52b
--- /dev/null
+++ b/src/main/java/com/webgame/webgamebackend/entities/UserEntity.java
@@ -0,0 +1,71 @@
+package com.webgame.webgamebackend.entities;
+
+import com.webgame.webgamebackend.entities.base.UUIDBaseEntity;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.OneToOne;
+import jakarta.persistence.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.experimental.Accessors;
+
+import java.time.LocalDate;
+
+/**
+ * 用户实体，与 AccountEntity 一对一关联
+ */
+@Entity
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@Accessors(chain = true)
+@Table(name = "user")
+public class UserEntity extends UUIDBaseEntity {
+    /**
+     * 关联的账号
+     */
+    @OneToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "account_id", referencedColumnName = "id", unique = true)
+    private AccountEntity account;
+
+    /**
+     * 昵称
+     */
+    @Column(name = "nick_name", length = 16, nullable = false)
+    private String nickName;
+
+    /**
+     * 头像
+     */
+    @Column(name = "avatar", length = 512)
+    private String avatar;
+
+    /**
+     * 个性签名
+     */
+    @Column(name = "signature", length = 64)
+    private String signature;
+
+    /**
+     * 年龄
+     */
+    @Column(name = "age")
+    private Integer age;
+
+    /**
+     * 性别 1男 2女
+     */
+    @Column(name = "sex", length = 1)
+    private Integer sex;
+
+    /**
+     * 生日
+     */
+    @Column(name = "birthday")
+    private LocalDate birthday;
+}
diff --git a/src/main/java/com/webgame/webgamebackend/entities/base/BaseEntity.java b/src/main/java/com/webgame/webgamebackend/entities/base/BaseEntity.java
index 6d5f2a5..7dcdc2f 100644
--- a/src/main/java/com/webgame/webgamebackend/entities/base/BaseEntity.java
+++ b/src/main/java/com/webgame/webgamebackend/entities/base/BaseEntity.java
@@ -1,13 +1,12 @@
 package com.webgame.webgamebackend.entities.base;
 
-import jakarta.persistence.Column;
-import jakarta.persistence.MappedSuperclass;
-import jakarta.persistence.PrePersist;
-import jakarta.persistence.PreUpdate;
+import jakarta.persistence.*;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.experimental.Accessors;
-import lombok.extern.slf4j.Slf4j;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
 
 import java.io.Serializable;
 import java.time.LocalDateTime;
@@ -19,38 +18,19 @@ import java.time.LocalDateTime;
 @Setter
 @Accessors(chain = true) // 允许链式调用
 @MappedSuperclass // 表示该类不会映射到数据库表
+@EntityListeners(AuditingEntityListener.class)
 public abstract class BaseEntity implements Serializable  {
     /**
      * 创建时间
      */
-    @Column(name = "create_time")
+    @CreatedDate
+    @Column(name = "create_time", updatable = false)
     protected LocalDateTime createTime;
+
     /**
      * 更新时间
      */
+    @LastModifiedDate
     @Column(name = "update_time")
     protected LocalDateTime updateTime;
-
-    @PrePersist
-    private void preEntityCreateTime() {
-        this.createTime = LocalDateTime.now();
-    }
-
-    @PreUpdate
-    private void preEntityUpdateTime() {
-        this.updateTime = LocalDateTime.now();
-    }
 }
-
-
-/**
- * pre 插入数据库前,可以影响插入数据
- * post 插入数据库后,已完成插入，无法再改变字段值
- * @PrePersist：在实体被持久化之前调用。
- * @PreRemove：在实体被删除之前调用。
- * @PostPersist：在实体被持久化之后调用。
- * @PostRemove：在实体被删除之后调用。
- * @PostLoad：在实体被加载到持久化上下文后调用。
- * @PreUpdate：在实体更新之前调用。
- * @PostUpdate：在实体更新之后调用。
- */