diff --git a/sql/init.sql b/sql/init.sql
index 08fb3b3..a7ddcac 100644
--- a/sql/init.sql
+++ b/sql/init.sql
@@ -316,5 +316,7 @@ create table `t_attendance`
     `modify_id`   bigint   not null comment '修改人',
     `modify_time` datetime not null default CURRENT_TIMESTAMP comment '修改时间',
     `deleted`     int      not null default 0,
-    `version`     int      not null default 0
+    `version`     int      not null default 0,
+    constraint t_attendance_user_id_fk foreign key (user_id) references t_user(id),
+    constraint t_attendance_modify_id_fk foreign key (modify_id) references t_user(id)
 ) comment '考勤';
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