diff --git a/script/sql/oracle/oracle_ry_vue_5.X.sql b/script/sql/oracle/oracle_ry_vue_5.X.sql
index 85de77d8d..7fff0b443 100644
--- a/script/sql/oracle/oracle_ry_vue_5.X.sql
+++ b/script/sql/oracle/oracle_ry_vue_5.X.sql
@@ -1159,7 +1159,7 @@ create table sys_oss (
   file_suffix     varchar2(10)   not null,
   url             varchar2(500)  not null,
   service         varchar2(20)   default 'minio' not null,
-  ext1            varchar2(255)  default '',
+  ext1            varchar2(500)  default '',
   create_dept     number(20)     default null,
   create_by       number(20)     default null,
   create_time     date,
diff --git a/script/sql/postgres/postgres_ry_vue_5.X.sql b/script/sql/postgres/postgres_ry_vue_5.X.sql
index 68cab46b8..523cbe266 100644
--- a/script/sql/postgres/postgres_ry_vue_5.X.sql
+++ b/script/sql/postgres/postgres_ry_vue_5.X.sql
@@ -1160,7 +1160,7 @@ create table if not exists sys_oss
     original_name varchar(255) default ''::varchar not null,
     file_suffix   varchar(10)  default ''::varchar not null,
     url           varchar(500) default ''::varchar not null,
-    ext1          varchar(255) default ''::varchar,
+    ext1          varchar(500) default ''::varchar,
     create_dept   int8,
     create_by     int8,
     create_time   timestamp,
diff --git a/script/sql/sqlserver/sqlserver_ry_vue_5.X.sql b/script/sql/sqlserver/sqlserver_ry_vue_5.X.sql
index b514d4360..0567f31d9 100644
--- a/script/sql/sqlserver/sqlserver_ry_vue_5.X.sql
+++ b/script/sql/sqlserver/sqlserver_ry_vue_5.X.sql
@@ -2923,7 +2923,7 @@ CREATE TABLE sys_oss
     original_name nvarchar(255) DEFAULT ''        NOT NULL,
     file_suffix   nvarchar(10)  DEFAULT ''        NOT NULL,
     url           nvarchar(500)                   NOT NULL,
-    ext1          nvarchar(255) DEFAULT ''        NULL,
+    ext1          nvarchar(500) DEFAULT ''        NULL,
     create_dept   bigint                          NULL,
     create_time   datetime2(7)                    NULL,
     create_by     bigint                          NULL,
diff --git a/script/sql/update/oracle/update_5.3.0-5.3.1.sql b/script/sql/update/oracle/update_5.3.0-5.3.1.sql
index 3a1474bd7..143c909d3 100644
--- a/script/sql/update/oracle/update_5.3.0-5.3.1.sql
+++ b/script/sql/update/oracle/update_5.3.0-5.3.1.sql
@@ -2,5 +2,5 @@ ALTER TABLE flow_node DROP COLUMN skip_any_node;
 ALTER TABLE flow_node ADD (ext VARCHAR2(500));
 COMMENT ON COLUMN flow_node.ext IS '扩展属性';
 
-ALTER TABLE sys_oss ADD (ext1 VARCHAR2(255));
+ALTER TABLE sys_oss ADD (ext1 VARCHAR2(500));
 COMMENT ON COLUMN sys_oss.ext1 IS '扩展属性';
diff --git a/script/sql/update/postgres/update_5.3.0-5.3.1.sql b/script/sql/update/postgres/update_5.3.0-5.3.1.sql
index 1f64d6001..31bf7465e 100644
--- a/script/sql/update/postgres/update_5.3.0-5.3.1.sql
+++ b/script/sql/update/postgres/update_5.3.0-5.3.1.sql
@@ -2,5 +2,5 @@ ALTER TABLE flow_node DROP COLUMN skip_any_node;
 ALTER TABLE flow_node ADD COLUMN ext varchar(500);
 COMMENT ON COLUMN flow_node.ext IS '扩展属性';
 
-ALTER TABLE sys_oss ADD COLUMN ext1 varchar(255));
+ALTER TABLE sys_oss ADD COLUMN ext1 varchar(500));
 COMMENT ON COLUMN sys_oss.ext1 IS '扩展属性';
diff --git a/script/sql/update/sqlserver/update_5.3.0-5.3.1.sql b/script/sql/update/sqlserver/update_5.3.0-5.3.1.sql
index 50d4e9bc0..8a22c00bb 100644
--- a/script/sql/update/sqlserver/update_5.3.0-5.3.1.sql
+++ b/script/sql/update/sqlserver/update_5.3.0-5.3.1.sql
@@ -8,7 +8,7 @@ EXEC sp_addextendedproperty
 'COLUMN', N'ext'
 GO
 
-ALTER TABLE sys_oss ADD ext1 nvarchar(255) NULL;
+ALTER TABLE sys_oss ADD ext1 nvarchar(500) NULL;
 
 EXEC sp_addextendedproperty
 'MS_Description', N'扩展属性',