diff --git a/sql/ry_20200730.sql b/sql/ry_20200822.sql
similarity index 98%
rename from sql/ry_20200730.sql
rename to sql/ry_20200822.sql
index b375537..4fb3c08 100644
--- a/sql/ry_20200730.sql
+++ b/sql/ry_20200822.sql
@@ -605,7 +605,7 @@ create table sys_notice (
   notice_id         int(4)          not null auto_increment    comment '公告ID',
   notice_title      varchar(50)     not null                   comment '公告标题',
   notice_type       char(1)         not null                   comment '公告类型（1通知 2公告）',
-  notice_content    varchar(2000)   default null               comment '公告内容',
+  notice_content    blob            default null               comment '公告内容',
   status            char(1)         default '0'                comment '公告状态（0正常 1关闭）',
   create_by         varchar(64)     default ''                 comment '创建者',
   create_time       datetime                                   comment '创建时间',