diff --git a/virtual-patient-web/src/main/resources/sqlScript/todo.sql b/virtual-patient-web/src/main/resources/sqlScript/todo.sql
index e4e92345..3e53e82d 100644
--- a/virtual-patient-web/src/main/resources/sqlScript/todo.sql
+++ b/virtual-patient-web/src/main/resources/sqlScript/todo.sql
@@ -72,7 +72,8 @@ create table vp_material_library
     material_type    varchar(16)                              null comment '素材类型 0:图片 1:视频 2:音频',
     create_user_id   varchar(64)                              null comment '创建人ID',
     create_time      datetime(0) default CURRENT_TIMESTAMP(0) null comment '创建时间',
-    update_user_id   datetime(0) default CURRENT_TIMESTAMP(0) null on update CURRENT_TIMESTAMP(0) comment '更新人'
+    update_user_id   varchar(64)                              null comment '更新人',
+    update_time      datetime(0) default CURRENT_TIMESTAMP(0) null comment '更新时间'
 )
     comment '素材库表';