diff --git a/api/src/main/resources/db.sql b/api/src/main/resources/db.sql
index c38fc6c..c3ea69d 100644
--- a/api/src/main/resources/db.sql
+++ b/api/src/main/resources/db.sql
@@ -31,7 +31,7 @@ create table point_record
     point               int(10)      not null,
     current_total_point int(10)      not null,
     reason              varchar(100) not null,
-    valid_time          datetime     null,
+    valid_time          datetime     default current_timestamp,
     expire_time         datetime     null
 ) engine = innodb comment '积分记录表';