diff --git a/doc/sql/snail_job_mysql.sql b/doc/sql/snail_job_mysql.sql
index 496980e5..04139224 100644
--- a/doc/sql/snail_job_mysql.sql
+++ b/doc/sql/snail_job_mysql.sql
@@ -28,6 +28,7 @@ CREATE TABLE `sj_group_config`
     `id`                bigint(20) unsigned NOT NULL AUTO_INCREMENT COMMENT '主键',
     `namespace_id`      varchar(64)         NOT NULL DEFAULT '764d604ec6fc45f68cd92514c40e9e1a' COMMENT '命名空间id',
     `group_name`        varchar(64)         NOT NULL DEFAULT '' COMMENT '组名称',
+    `group_name_cn`     varchar(128)        NOT NULL DEFAULT '' COMMENT '组中文名称',
     `description`       varchar(256)        NOT NULL DEFAULT '' COMMENT '组描述',
     `token`             varchar(64)         NOT NULL DEFAULT 'SJ_cKqBTPzCsWA3VyuCfFoccmuIEGXjr5KT' COMMENT 'token',
     `group_status`      tinyint(4)          NOT NULL DEFAULT 0 COMMENT '组状态 0、未启用 1、启用',
@@ -566,3 +567,27 @@ create index idx_create_dt
 
 create index idx_namespace_id_group_name
     on sj_workflow_history (namespace_id, group_name);
+
+create table sj_system_variable
+(
+    id             bigint auto_increment comment 'id'
+        primary key,
+    variable_key   varchar(64)                            not null comment '变量键名(如current_date)',
+    variable_name  varchar(64)                            not null comment '变量键名(如current_date)',
+    variable_value varchar(512)                           not null comment '表达式/值',
+    variable_type  tinyint      default 1                 not null comment '1-字符串变量 2-表达式变量',
+    system_user_id bigint                                 not null comment '绑定userid',
+    namespace_id   varchar(64)                            not null comment '命名空间',
+    group_names    varchar(128)                            null comment '组',
+    description    varchar(256) default ''                null comment '描述',
+    create_dt      datetime     default CURRENT_TIMESTAMP not null,
+    update_dt      datetime     default CURRENT_TIMESTAMP not null
+)
+    comment '系统变量表';
+
+create index idx_namespace_id_group_name
+    on sj_system_variable (namespace_id, group_names);
+
+create index idx_variable_key
+    on sj_system_variable (variable_key);
+