diff --git a/vetti-hotakes/src/main/java/com/vetti/hotake/domain/dto/SecurityChangePasswordDto.java b/vetti-hotakes/src/main/java/com/vetti/hotake/domain/dto/SecurityChangePasswordDto.java
new file mode 100644
index 0000000..e8c9464
--- /dev/null
+++ b/vetti-hotakes/src/main/java/com/vetti/hotake/domain/dto/SecurityChangePasswordDto.java
@@ -0,0 +1,35 @@
+package com.vetti.hotake.domain.dto;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.Size;
+
+/**
+ * 修改密码DTO
+ *
+ * @author vetti
+ * @date 2026-02-02
+ */
+@Data
+@ApiModel("修改密码请求")
+public class SecurityChangePasswordDto
+{
+    /** 当前密码 */
+    @ApiModelProperty(value = "当前密码", required = true)
+    @NotBlank(message = "当前密码不能为空")
+    private String currentPassword;
+
+    /** 新密码 */
+    @ApiModelProperty(value = "新密码", required = true)
+    @NotBlank(message = "新密码不能为空")
+    @Size(min = 6, max = 20, message = "密码长度必须在6-20个字符之间")
+    private String newPassword;
+
+    /** 确认新密码 */
+    @ApiModelProperty(value = "确认新密码", required = true)
+    @NotBlank(message = "确认密码不能为空")
+    private String confirmPassword;
+}
diff --git a/vetti-hotakes/src/main/java/com/vetti/hotake/domain/vo/SecuritySessionVo.java b/vetti-hotakes/src/main/java/com/vetti/hotake/domain/vo/SecuritySessionVo.java
new file mode 100644
index 0000000..f6ba471
--- /dev/null
+++ b/vetti-hotakes/src/main/java/com/vetti/hotake/domain/vo/SecuritySessionVo.java
@@ -0,0 +1,65 @@
+package com.vetti.hotake.domain.vo;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.util.Date;
+
+/**
+ * 登录会话VO
+ *
+ * @author vetti
+ * @date 2026-02-02
+ */
+@Data
+@ApiModel("登录会话信息")
+public class SecuritySessionVo
+{
+    /** 会话ID */
+    @ApiModelProperty("会话ID")
+    private Long id;
+
+    /** 设备名称（浏览器 + 操作系统） */
+    @ApiModelProperty("设备名称")
+    private String deviceName;
+
+    /** 设备类型 */
+    @ApiModelProperty("设备类型")
+    private String deviceType;
+
+    /** 浏览器 */
+    @ApiModelProperty("浏览器")
+    private String browser;
+
+    /** 操作系统 */
+    @ApiModelProperty("操作系统")
+    private String os;
+
+    /** IP地址 */
+    @ApiModelProperty("IP地址")
+    private String ipAddress;
+
+    /** 地理位置 */
+    @ApiModelProperty("地理位置")
+    private String location;
+
+    /** 登录时间 */
+    @ApiModelProperty("登录时间")
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private Date loginTime;
+
+    /** 最后活动时间 */
+    @ApiModelProperty("最后活动时间")
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private Date lastActivityTime;
+
+    /** 是否当前会话 */
+    @ApiModelProperty("是否当前会话")
+    private Boolean isCurrent;
+
+    /** 是否活跃 */
+    @ApiModelProperty("是否活跃")
+    private Boolean isActive;
+}