diff --git a/backend/src/main/java/com/budwk/app/module/activity/models/ActUser.java b/backend/src/main/java/com/budwk/app/module/activity/models/ActUser.java
index 4ec3c34..16464b9 100644
--- a/backend/src/main/java/com/budwk/app/module/activity/models/ActUser.java
+++ b/backend/src/main/java/com/budwk/app/module/activity/models/ActUser.java
@@ -30,6 +30,11 @@ public class ActUser extends BaseModel {
     @ColDefine(customType = "bigint")
     private Long activityId;
 
+    @Column
+    @Comment("报名人Id")
+    @ColDefine(customType = "bigint")
+    private Long signUpUserId;
+
     @Column
     @Comment("报名号")
     @ColDefine(type = ColType.VARCHAR, width = 20)
@@ -89,4 +94,9 @@ public class ActUser extends BaseModel {
     @Comment("是否签到")
     @ColDefine(type = ColType.BOOLEAN)
     private Boolean isSignIn;
+
+    @Column
+    @Comment("签到时间")
+    @ColDefine(type = ColType.DATETIME)
+    private LocalDateTime signInTime;
 }