diff --git a/sql/ry_20200724.sql b/sql/ry_20200822.sql
similarity index 98%
rename from sql/ry_20200724.sql
rename to sql/ry_20200822.sql
index 9968675..5978a45 100644
--- a/sql/ry_20200724.sql
+++ b/sql/ry_20200822.sql
@@ -883,7 +883,7 @@ create table sys_notice (
   notice_id         number(20)      not null,
   notice_title      varchar2(50)    not null,
   notice_type       char(1)         not null,
-  notice_content    varchar2(2000)  default null,
+  notice_content    blob            default null,
   status            char(1)         default '0',
   create_by         varchar2(64)    default '',
   create_time       date,