diff --git a/sql/create/release-1.0.0_schema/mysql/dolphinscheduler_ddl.sql b/sql/create/release-1.0.0_schema/mysql/dolphinscheduler_ddl.sql
index 796eed5842..6a9038756f 100644
--- a/sql/create/release-1.0.0_schema/mysql/dolphinscheduler_ddl.sql
+++ b/sql/create/release-1.0.0_schema/mysql/dolphinscheduler_ddl.sql
@@ -20,18 +20,18 @@ SET FOREIGN_KEY_CHECKS=0;
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_alert`;
 CREATE TABLE `t_escheduler_alert` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `title` varchar(64) DEFAULT NULL COMMENT '消息标题',
-  `show_type` tinyint(4) DEFAULT NULL COMMENT '发送格式，0是TABLE,1是TEXT',
-  `content` text COMMENT '消息内容（可以是邮件，可以是短信。邮件是JSON Map存放，短信是字符串）',
-  `alert_type` tinyint(4) DEFAULT NULL COMMENT '0是邮件，1是短信',
-  `alert_status` tinyint(4) DEFAULT '0' COMMENT '0是待执行，1是执行成功，2执行失败',
-  `log` text COMMENT '执行日志',
-  `alertgroup_id` int(11) DEFAULT NULL COMMENT '发送组',
-  `receivers` text COMMENT '收件人',
-  `receivers_cc` text COMMENT '抄送人',
-  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `title` varchar(64) DEFAULT NULL COMMENT 'title',
+  `show_type` tinyint(4) DEFAULT NULL COMMENT 'send email type,0:TABLE,1:TEXT',
+  `content` text COMMENT 'Message content (can be email, can be SMS. Mail is stored in JSON map, and SMS is string)',
+  `alert_type` tinyint(4) DEFAULT NULL COMMENT '0:email,1:sms',
+  `alert_status` tinyint(4) DEFAULT '0' COMMENT '0:wait running,1:success,2:failed',
+  `log` text COMMENT 'log',
+  `alertgroup_id` int(11) DEFAULT NULL COMMENT 'alert group id',
+  `receivers` text COMMENT 'receivers',
+  `receivers_cc` text COMMENT 'cc',
+  `create_time` datetime DEFAULT NULL COMMENT 'create time',
+  `update_time` datetime DEFAULT NULL COMMENT 'update time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -40,12 +40,12 @@ CREATE TABLE `t_escheduler_alert` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_alertgroup`;
 CREATE TABLE `t_escheduler_alertgroup` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `group_name` varchar(255) DEFAULT NULL COMMENT '组名称',
-  `group_type` tinyint(4) DEFAULT NULL COMMENT '组类型(邮件0，短信1...)',
-  `desc` varchar(255) DEFAULT NULL COMMENT '备注',
-  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `group_name` varchar(255) DEFAULT NULL COMMENT 'group name',
+  `group_type` tinyint(4) DEFAULT NULL COMMENT 'Group type (message 0, SMS 1...)',
+  `desc` varchar(255) DEFAULT NULL COMMENT 'description',
+  `create_time` datetime DEFAULT NULL COMMENT 'create time',
+  `update_time` datetime DEFAULT NULL COMMENT 'update time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -54,20 +54,20 @@ CREATE TABLE `t_escheduler_alertgroup` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_command`;
 CREATE TABLE `t_escheduler_command` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `command_type` tinyint(4) DEFAULT NULL COMMENT '命令类型：0 启动工作流,1 从当前节点开始执行,2 恢复被容错的工作流,3 恢复暂停流程,4 从失败节点开始执行,5 补数,6 调度,7 重跑,8 暂停,9 停止,10 恢复等待线程',
-  `process_definition_id` int(11) DEFAULT NULL COMMENT '流程定义id',
-  `command_param` text COMMENT '命令的参数（json格式）',
-  `task_depend_type` tinyint(4) DEFAULT NULL COMMENT '节点依赖类型：0 当前节点,1 向前执行,2 向后执行',
-  `failure_strategy` tinyint(4) DEFAULT '0' COMMENT '失败策略：0结束，1继续',
-  `warning_type` tinyint(4) DEFAULT '0' COMMENT '告警类型：0 不发,1 流程成功发,2 流程失败发,3 成功失败都发',
-  `warning_group_id` int(11) DEFAULT NULL COMMENT '告警组',
-  `schedule_time` datetime DEFAULT NULL COMMENT '预期运行时间',
-  `start_time` datetime DEFAULT NULL COMMENT '开始时间',
-  `executor_id` int(11) DEFAULT NULL COMMENT '执行用户id',
-  `dependence` varchar(255) DEFAULT NULL COMMENT '依赖字段',
-  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
-  `process_instance_priority` int(11) DEFAULT NULL COMMENT '流程实例优先级：0 Highest,1 High,2 Medium,3 Low,4 Lowest',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `command_type` tinyint(4) DEFAULT NULL COMMENT 'Command type: 0 start workflow, 1 start execution from current node, 2 resume fault-tolerant workflow, 3 resume pause process, 4 start execution from failed node, 5 complement, 6 schedule, 7 rerun, 8 pause, 9 stop, 10 resume waiting thread',
+  `process_definition_id` int(11) DEFAULT NULL COMMENT 'process definition id',
+  `command_param` text COMMENT 'json command parameters',
+  `task_depend_type` tinyint(4) DEFAULT NULL COMMENT 'Node dependency type: 0 current node, 1 forward, 2 backward',
+  `failure_strategy` tinyint(4) DEFAULT '0' COMMENT 'Failed policy: 0 end, 1 continue',
+  `warning_type` tinyint(4) DEFAULT '0' COMMENT 'Alarm type: 0 is not sent, 1 process is sent successfully, 2 process is sent failed, 3 process is sent successfully and all failures are sent',
+  `warning_group_id` int(11) DEFAULT NULL COMMENT 'warning group',
+  `schedule_time` datetime DEFAULT NULL COMMENT 'schedule time',
+  `start_time` datetime DEFAULT NULL COMMENT 'start time',
+  `executor_id` int(11) DEFAULT NULL COMMENT 'executor id',
+  `dependence` varchar(255) DEFAULT NULL COMMENT 'dependence',
+  `update_time` datetime DEFAULT NULL COMMENT 'update time',
+  `process_instance_priority` int(11) DEFAULT NULL COMMENT 'process instance priority: 0 Highest,1 High,2 Medium,3 Low,4 Lowest',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -76,14 +76,14 @@ CREATE TABLE `t_escheduler_command` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_datasource`;
 CREATE TABLE `t_escheduler_datasource` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `name` varchar(64) NOT NULL COMMENT '数据源名称',
-  `note` varchar(256) DEFAULT NULL COMMENT '描述',
-  `type` tinyint(4) NOT NULL COMMENT '数据源类型：0 mysql,1 postgresql,2 hive,3 spark',
-  `user_id` int(11) NOT NULL COMMENT '创建用户id',
-  `connection_params` text NOT NULL COMMENT '连接参数(json格式)',
-  `create_time` datetime NOT NULL COMMENT '创建时间',
-  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `name` varchar(64) NOT NULL COMMENT 'data source name',
+  `note` varchar(256) DEFAULT NULL COMMENT 'description',
+  `type` tinyint(4) NOT NULL COMMENT 'data source type: 0:mysql,1:postgresql,2:hive,3:spark',
+  `user_id` int(11) NOT NULL COMMENT 'the creator id',
+  `connection_params` text NOT NULL COMMENT 'json connection params',
+  `create_time` datetime NOT NULL COMMENT 'create time',
+  `update_time` datetime DEFAULT NULL COMMENT 'update time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -92,13 +92,13 @@ CREATE TABLE `t_escheduler_datasource` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_master_server`;
 CREATE TABLE `t_escheduler_master_server` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
   `host` varchar(45) DEFAULT NULL COMMENT 'ip',
-  `port` int(11) DEFAULT NULL COMMENT '进程号',
-  `zk_directory` varchar(64) DEFAULT NULL COMMENT 'zk注册目录',
-  `res_info` varchar(256) DEFAULT NULL COMMENT '集群资源信息：json格式{"cpu":xxx,"memroy":xxx}',
-  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-  `last_heartbeat_time` datetime DEFAULT NULL COMMENT '最后心跳时间',
+  `port` int(11) DEFAULT NULL COMMENT 'port',
+  `zk_directory` varchar(64) DEFAULT NULL COMMENT 'the server path in zk directory',
+  `res_info` varchar(256) DEFAULT NULL COMMENT 'json resource information:{"cpu":xxx,"memroy":xxx}',
+  `create_time` datetime DEFAULT NULL COMMENT 'create time',
+  `last_heartbeat_time` datetime DEFAULT NULL COMMENT 'last head beat time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -107,22 +107,22 @@ CREATE TABLE `t_escheduler_master_server` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_process_definition`;
 CREATE TABLE `t_escheduler_process_definition` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `name` varchar(255) DEFAULT NULL COMMENT '流程定义名称',
-  `version` int(11) DEFAULT NULL COMMENT '流程定义版本',
-  `release_state` tinyint(4) DEFAULT NULL COMMENT '流程定义的发布状态：0 未上线  1已上线',
-  `project_id` int(11) DEFAULT NULL COMMENT '项目id',
-  `user_id` int(11) DEFAULT NULL COMMENT '流程定义所属用户id',
-  `process_definition_json` longtext COMMENT '流程定义json串',
-  `desc` text COMMENT '流程定义描述',
-  `global_params` text COMMENT '全局参数',
-  `flag` tinyint(4) DEFAULT NULL COMMENT '流程是否可用\r\n：0 不可用\r\n，1 可用',
-  `locations` text COMMENT '节点坐标信息',
-  `connects` text COMMENT '节点连线信息',
-  `receivers` text COMMENT '收件人',
-  `receivers_cc` text COMMENT '抄送人',
-  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `name` varchar(255) DEFAULT NULL COMMENT 'process definition name',
+  `version` int(11) DEFAULT NULL COMMENT 'process definition version',
+  `release_state` tinyint(4) DEFAULT NULL COMMENT 'process definition release state：0:offline,1:online',
+  `project_id` int(11) DEFAULT NULL COMMENT 'project id',
+  `user_id` int(11) DEFAULT NULL COMMENT 'process definition creator id',
+  `process_definition_json` longtext COMMENT 'process definition json content',
+  `desc` text COMMENT 'process definition description',
+  `global_params` text COMMENT 'global parameters',
+  `flag` tinyint(4) DEFAULT NULL COMMENT '0 not available, 1 available',
+  `locations` text COMMENT 'Node location information',
+  `connects` text COMMENT 'Node connection information',
+  `receivers` text COMMENT 'receivers',
+  `receivers_cc` text COMMENT 'cc',
+  `create_time` datetime DEFAULT NULL COMMENT 'create time',
+  `update_time` datetime DEFAULT NULL COMMENT 'update time',
   PRIMARY KEY (`id`),
   KEY `process_definition_index` (`project_id`,`id`) USING BTREE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
@@ -132,35 +132,35 @@ CREATE TABLE `t_escheduler_process_definition` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_process_instance`;
 CREATE TABLE `t_escheduler_process_instance` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `name` varchar(255) DEFAULT NULL COMMENT '流程实例名称',
-  `process_definition_id` int(11) DEFAULT NULL COMMENT '流程定义id',
-  `state` tinyint(4) DEFAULT NULL COMMENT '流程实例状态：0 提交成功,1 正在运行,2 准备暂停,3 暂停,4 准备停止,5 停止,6 失败,7 成功,8 需要容错,9 kill,10 等待线程,11 等待依赖完成',
-  `recovery` tinyint(4) DEFAULT NULL COMMENT '流程实例容错标识：0 正常,1 需要被容错重启',
-  `start_time` datetime DEFAULT NULL COMMENT '流程实例开始时间',
-  `end_time` datetime DEFAULT NULL COMMENT '流程实例结束时间',
-  `run_times` int(11) DEFAULT NULL COMMENT '流程实例运行次数',
-  `host` varchar(45) DEFAULT NULL COMMENT '流程实例所在的机器',
-  `command_type` tinyint(4) DEFAULT NULL COMMENT '命令类型：0 启动工作流,1 从当前节点开始执行,2 恢复被容错的工作流,3 恢复暂停流程,4 从失败节点开始执行,5 补数,6 调度,7 重跑,8 暂停,9 停止,10 恢复等待线程',
-  `command_param` text COMMENT '命令的参数（json格式）',
-  `task_depend_type` tinyint(4) DEFAULT NULL COMMENT '节点依赖类型：0 当前节点,1 向前执行,2 向后执行',
-  `max_try_times` tinyint(4) DEFAULT '0' COMMENT '最大重试次数',
-  `failure_strategy` tinyint(4) DEFAULT '0' COMMENT '失败策略 0 失败后结束，1 失败后继续',
-  `warning_type` tinyint(4) DEFAULT '0' COMMENT '告警类型：0 不发,1 流程成功发,2 流程失败发,3 成功失败都发',
-  `warning_group_id` int(11) DEFAULT NULL COMMENT '告警组id',
-  `schedule_time` datetime DEFAULT NULL COMMENT '预期运行时间',
-  `command_start_time` datetime DEFAULT NULL COMMENT '开始命令时间',
-  `global_params` text COMMENT '全局参数（固化流程定义的参数）',
-  `process_instance_json` longtext COMMENT '流程实例json(copy的流程定义的json)',
-  `flag` tinyint(4) DEFAULT '1' COMMENT '是否可用，1 可用，0不可用',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `name` varchar(255) DEFAULT NULL COMMENT 'process instance name',
+  `process_definition_id` int(11) DEFAULT NULL COMMENT 'process definition id',
+  `state` tinyint(4) DEFAULT NULL COMMENT 'process instance Status: 0 commit succeeded, 1 running, 2 prepare to pause, 3 pause, 4 prepare to stop, 5 stop, 6 fail, 7 succeed, 8 need fault tolerance, 9 kill, 10 wait for thread, 11 wait for dependency to complete',
+  `recovery` tinyint(4) DEFAULT NULL COMMENT 'process instance failover flag：0:normal,1:failover instance',
+  `start_time` datetime DEFAULT NULL COMMENT 'process instance start time',
+  `end_time` datetime DEFAULT NULL COMMENT 'process instance end time',
+  `run_times` int(11) DEFAULT NULL COMMENT 'process instance run times',
+  `host` varchar(45) DEFAULT NULL COMMENT 'process instance host',
+  `command_type` tinyint(4) DEFAULT NULL COMMENT 'command type',
+  `command_param` text COMMENT 'json command parameters',
+  `task_depend_type` tinyint(4) DEFAULT NULL COMMENT 'task depend type. 0: only current node,1:before the node,2:later nodes',
+  `max_try_times` tinyint(4) DEFAULT '0' COMMENT 'max try times',
+  `failure_strategy` tinyint(4) DEFAULT '0' COMMENT 'failure strategy. 0:end the process when node failed,1:continue running the other nodes when node failed',
+  `warning_type` tinyint(4) DEFAULT '0' COMMENT 'warning type. 0:no warning,1:warning if process success,2:warning if process failed,3:warning if success',
+  `warning_group_id` int(11) DEFAULT NULL COMMENT 'warning group id',
+  `schedule_time` datetime DEFAULT NULL COMMENT 'schedule time',
+  `command_start_time` datetime DEFAULT NULL COMMENT 'command start time',
+  `global_params` text COMMENT 'global parameters',
+  `process_instance_json` longtext COMMENT 'process instance json(copy的process definition 的json)',
+  `flag` tinyint(4) DEFAULT '1' COMMENT 'flag',
   `update_time` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-  `is_sub_process` int(11) DEFAULT '0' COMMENT '是否是子工作流 1 是，0 不是',
-  `executor_id` int(11) NOT NULL COMMENT '命令执行者',
-  `locations` text COMMENT '节点坐标信息',
-  `connects` text COMMENT '节点连线信息',
-  `history_cmd` text COMMENT '历史命令，记录所有对流程实例的操作',
-  `dependence_schedule_times` text COMMENT '依赖节点的预估时间',
-  `process_instance_priority` int(11) DEFAULT NULL COMMENT '流程实例优先级：0 Highest,1 High,2 Medium,3 Low,4 Lowest',
+  `is_sub_process` int(11) DEFAULT '0' COMMENT 'flag, whether the process is sub process',
+  `executor_id` int(11) NOT NULL COMMENT 'executor id',
+  `locations` text COMMENT 'Node location information',
+  `connects` text COMMENT 'Node connection information',
+  `history_cmd` text COMMENT 'history commands of process instance operation',
+  `dependence_schedule_times` text COMMENT 'depend schedule fire time',
+  `process_instance_priority` int(11) DEFAULT NULL COMMENT 'process instance priority. 0 Highest,1 High,2 Medium,3 Low,4 Lowest',
   PRIMARY KEY (`id`),
   KEY `process_instance_index` (`process_definition_id`,`id`) USING BTREE,
   KEY `start_time_index` (`start_time`) USING BTREE
@@ -171,13 +171,13 @@ CREATE TABLE `t_escheduler_process_instance` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_project`;
 CREATE TABLE `t_escheduler_project` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `name` varchar(100) DEFAULT NULL COMMENT '项目名称',
-  `desc` varchar(200) DEFAULT NULL COMMENT '项目描述',
-  `user_id` int(11) DEFAULT NULL COMMENT '所属用户',
-  `flag` tinyint(4) DEFAULT '1' COMMENT '是否可用  1 可用,0 不可用',
-  `create_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
-  `update_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `name` varchar(100) DEFAULT NULL COMMENT 'project name',
+  `desc` varchar(200) DEFAULT NULL COMMENT 'project description',
+  `user_id` int(11) DEFAULT NULL COMMENT 'creator id',
+  `flag` tinyint(4) DEFAULT '1' COMMENT '0 not available, 1 available',
+  `create_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT 'create time',
+  `update_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT 'update time',
   PRIMARY KEY (`id`),
   KEY `user_id_index` (`user_id`) USING BTREE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
@@ -187,9 +187,9 @@ CREATE TABLE `t_escheduler_project` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_queue`;
 CREATE TABLE `t_escheduler_queue` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `queue_name` varchar(64) DEFAULT NULL COMMENT '队列名称',
-  `queue` varchar(64) DEFAULT NULL COMMENT 'yarn队列名称',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `queue_name` varchar(64) DEFAULT NULL COMMENT 'queue name',
+  `queue` varchar(64) DEFAULT NULL COMMENT 'yarn queue name',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -198,12 +198,12 @@ CREATE TABLE `t_escheduler_queue` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_relation_datasource_user`;
 CREATE TABLE `t_escheduler_relation_datasource_user` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `user_id` int(11) NOT NULL COMMENT '用户id',
-  `datasource_id` int(11) DEFAULT NULL COMMENT '数据源id',
-  `perm` int(11) DEFAULT '1' COMMENT '权限',
-  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `user_id` int(11) NOT NULL COMMENT 'user id',
+  `datasource_id` int(11) DEFAULT NULL COMMENT 'data source id',
+  `perm` int(11) DEFAULT '1' COMMENT 'limits of authority',
+  `create_time` datetime DEFAULT NULL COMMENT 'create time',
+  `update_time` datetime DEFAULT NULL COMMENT 'update time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -212,10 +212,10 @@ CREATE TABLE `t_escheduler_relation_datasource_user` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_relation_process_instance`;
 CREATE TABLE `t_escheduler_relation_process_instance` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `parent_process_instance_id` int(11) DEFAULT NULL COMMENT '父流程实例id',
-  `parent_task_instance_id` int(11) DEFAULT NULL COMMENT '父任务实例id',
-  `process_instance_id` int(11) DEFAULT NULL COMMENT '子流程实例id',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `parent_process_instance_id` int(11) DEFAULT NULL COMMENT 'parent process instance id',
+  `parent_task_instance_id` int(11) DEFAULT NULL COMMENT 'parent process instance id',
+  `process_instance_id` int(11) DEFAULT NULL COMMENT 'child process instance id',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -224,12 +224,12 @@ CREATE TABLE `t_escheduler_relation_process_instance` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_relation_project_user`;
 CREATE TABLE `t_escheduler_relation_project_user` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `user_id` int(11) NOT NULL COMMENT '用户id',
-  `project_id` int(11) DEFAULT NULL COMMENT '项目id',
-  `perm` int(11) DEFAULT '1' COMMENT '权限',
-  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `user_id` int(11) NOT NULL COMMENT 'user id',
+  `project_id` int(11) DEFAULT NULL COMMENT 'project id',
+  `perm` int(11) DEFAULT '1' COMMENT 'limits of authority',
+  `create_time` datetime DEFAULT NULL COMMENT 'create time',
+  `update_time` datetime DEFAULT NULL COMMENT 'update time',
   PRIMARY KEY (`id`),
   KEY `user_id_index` (`user_id`) USING BTREE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
@@ -240,11 +240,11 @@ CREATE TABLE `t_escheduler_relation_project_user` (
 DROP TABLE IF EXISTS `t_escheduler_relation_resources_user`;
 CREATE TABLE `t_escheduler_relation_resources_user` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
-  `user_id` int(11) NOT NULL COMMENT '用户id',
-  `resources_id` int(11) DEFAULT NULL COMMENT '资源id',
-  `perm` int(11) DEFAULT '1' COMMENT '权限',
-  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+  `user_id` int(11) NOT NULL COMMENT 'user id',
+  `resources_id` int(11) DEFAULT NULL COMMENT 'resource id',
+  `perm` int(11) DEFAULT '1' COMMENT 'limits of authority',
+  `create_time` datetime DEFAULT NULL COMMENT 'create time',
+  `update_time` datetime DEFAULT NULL COMMENT 'update time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -253,12 +253,12 @@ CREATE TABLE `t_escheduler_relation_resources_user` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_relation_udfs_user`;
 CREATE TABLE `t_escheduler_relation_udfs_user` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `user_id` int(11) NOT NULL COMMENT '用户id',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `user_id` int(11) NOT NULL COMMENT 'userid',
   `udf_id` int(11) DEFAULT NULL COMMENT 'udf id',
-  `perm` int(11) DEFAULT '1' COMMENT '权限',
-  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+  `perm` int(11) DEFAULT '1' COMMENT 'limits of authority',
+  `create_time` datetime DEFAULT NULL COMMENT 'create time',
+  `update_time` datetime DEFAULT NULL COMMENT 'update time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -267,11 +267,11 @@ CREATE TABLE `t_escheduler_relation_udfs_user` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_relation_user_alertgroup`;
 CREATE TABLE `t_escheduler_relation_user_alertgroup` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `alertgroup_id` int(11) DEFAULT NULL COMMENT '组消息id',
-  `user_id` int(11) DEFAULT NULL COMMENT '用户id',
-  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `alertgroup_id` int(11) DEFAULT NULL COMMENT 'alert group id',
+  `user_id` int(11) DEFAULT NULL COMMENT 'user id',
+  `create_time` datetime DEFAULT NULL COMMENT 'create time',
+  `update_time` datetime DEFAULT NULL COMMENT 'update time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
 
@@ -280,15 +280,15 @@ CREATE TABLE `t_escheduler_relation_user_alertgroup` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_resources`;
 CREATE TABLE `t_escheduler_resources` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `alias` varchar(64) DEFAULT NULL COMMENT '别名',
-  `file_name` varchar(64) DEFAULT NULL COMMENT '文件名',
-  `desc` varchar(256) DEFAULT NULL COMMENT '描述',
-  `user_id` int(11) DEFAULT NULL COMMENT '用户id',
-  `type` tinyint(4) DEFAULT NULL COMMENT '资源类型，0 FILE，1 UDF',
-  `size` bigint(20) DEFAULT NULL COMMENT '资源大小',
-  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `alias` varchar(64) DEFAULT NULL COMMENT 'alias',
+  `file_name` varchar(64) DEFAULT NULL COMMENT 'file name',
+  `desc` varchar(256) DEFAULT NULL COMMENT 'description',
+  `user_id` int(11) DEFAULT NULL COMMENT 'user id',
+  `type` tinyint(4) DEFAULT NULL COMMENT 'resource type,0:FILE，1:UDF',
+  `size` bigint(20) DEFAULT NULL COMMENT 'resource size',
+  `create_time` datetime DEFAULT NULL COMMENT 'create time',
+  `update_time` datetime DEFAULT NULL COMMENT 'update time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -297,19 +297,19 @@ CREATE TABLE `t_escheduler_resources` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_schedules`;
 CREATE TABLE `t_escheduler_schedules` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `process_definition_id` int(11) NOT NULL COMMENT '流程定义id',
-  `start_time` datetime NOT NULL COMMENT '调度开始时间',
-  `end_time` datetime NOT NULL COMMENT '调度结束时间',
-  `crontab` varchar(256) NOT NULL COMMENT 'crontab 表达式',
-  `failure_strategy` tinyint(4) NOT NULL COMMENT '失败策略： 0 结束，1 继续',
-  `user_id` int(11) NOT NULL COMMENT '用户id',
-  `release_state` tinyint(4) NOT NULL COMMENT '状态：0 未上线，1 上线',
-  `warning_type` tinyint(4) NOT NULL COMMENT '告警类型：0 不发,1 流程成功发,2 流程失败发,3 成功失败都发',
-  `warning_group_id` int(11) DEFAULT NULL COMMENT '告警组id',
-  `process_instance_priority` int(11) DEFAULT NULL COMMENT '流程实例优先级：0 Highest,1 High,2 Medium,3 Low,4 Lowest',
-  `create_time` datetime NOT NULL COMMENT '创建时间',
-  `update_time` datetime NOT NULL COMMENT '更新时间',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `process_definition_id` int(11) NOT NULL COMMENT 'process definition id',
+  `start_time` datetime NOT NULL COMMENT 'start time',
+  `end_time` datetime NOT NULL COMMENT 'end time',
+  `crontab` varchar(256) NOT NULL COMMENT 'crontab description',
+  `failure_strategy` tinyint(4) NOT NULL COMMENT 'failure strategy. 0:end,1:continue',
+  `user_id` int(11) NOT NULL COMMENT 'user id',
+  `release_state` tinyint(4) NOT NULL COMMENT 'release state. 0:offline,1:online ',
+  `warning_type` tinyint(4) NOT NULL COMMENT 'Alarm type: 0 is not sent, 1 process is sent successfully, 2 process is sent failed, 3 process is sent successfully and all failures are sent',
+  `warning_group_id` int(11) DEFAULT NULL COMMENT 'alert group id',
+  `process_instance_priority` int(11) DEFAULT NULL COMMENT 'process instance priority：0 Highest,1 High,2 Medium,3 Low,4 Lowest',
+  `create_time` datetime NOT NULL COMMENT 'create time',
+  `update_time` datetime NOT NULL COMMENT 'update time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -318,10 +318,10 @@ CREATE TABLE `t_escheduler_schedules` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_session`;
 CREATE TABLE `t_escheduler_session` (
-  `id` varchar(64) NOT NULL COMMENT '主键',
-  `user_id` int(11) DEFAULT NULL COMMENT '用户id',
-  `ip` varchar(45) DEFAULT NULL COMMENT '登录ip',
-  `last_login_time` datetime DEFAULT NULL COMMENT '最后登录时间',
+  `id` varchar(64) NOT NULL COMMENT 'key',
+  `user_id` int(11) DEFAULT NULL COMMENT 'user id',
+  `ip` varchar(45) DEFAULT NULL COMMENT 'ip',
+  `last_login_time` datetime DEFAULT NULL COMMENT 'last login time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -330,27 +330,27 @@ CREATE TABLE `t_escheduler_session` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_task_instance`;
 CREATE TABLE `t_escheduler_task_instance` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `name` varchar(255) DEFAULT NULL COMMENT '任务名称',
-  `task_type` varchar(64) DEFAULT NULL COMMENT '任务类型',
-  `process_definition_id` int(11) DEFAULT NULL COMMENT '流程定义id',
-  `process_instance_id` int(11) DEFAULT NULL COMMENT '流程实例id',
-  `task_json` longtext COMMENT '任务节点json',
-  `state` tinyint(4) DEFAULT NULL COMMENT '任务实例状态：0 提交成功,1 正在运行,2 准备暂停,3 暂停,4 准备停止,5 停止,6 失败,7 成功,8 需要容错,9 kill,10 等待线程,11 等待依赖完成',
-  `submit_time` datetime DEFAULT NULL COMMENT '任务提交时间',
-  `start_time` datetime DEFAULT NULL COMMENT '任务开始时间',
-  `end_time` datetime DEFAULT NULL COMMENT '任务结束时间',
-  `host` varchar(45) DEFAULT NULL COMMENT '执行任务的机器',
-  `execute_path` varchar(200) DEFAULT NULL COMMENT '任务执行路径',
-  `log_path` varchar(200) DEFAULT NULL COMMENT '任务日志路径',
-  `alert_flag` tinyint(4) DEFAULT NULL COMMENT '是否告警',
-  `retry_times` int(4) DEFAULT '0' COMMENT '重试次数',
-  `pid` int(4) DEFAULT NULL COMMENT '进程pid',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `name` varchar(255) DEFAULT NULL COMMENT 'task name',
+  `task_type` varchar(64) DEFAULT NULL COMMENT 'task type',
+  `process_definition_id` int(11) DEFAULT NULL COMMENT 'process definition id',
+  `process_instance_id` int(11) DEFAULT NULL COMMENT 'process instance id',
+  `task_json` longtext COMMENT 'task content json',
+  `state` tinyint(4) DEFAULT NULL COMMENT 'Status: 0 commit succeeded, 1 running, 2 prepare to pause, 3 pause, 4 prepare to stop, 5 stop, 6 fail, 7 succeed, 8 need fault tolerance, 9 kill, 10 wait for thread, 11 wait for dependency to complete',
+  `submit_time` datetime DEFAULT NULL COMMENT 'task submit time',
+  `start_time` datetime DEFAULT NULL COMMENT 'task start time',
+  `end_time` datetime DEFAULT NULL COMMENT 'task end time',
+  `host` varchar(45) DEFAULT NULL COMMENT 'host of task running on',
+  `execute_path` varchar(200) DEFAULT NULL COMMENT 'task execute path in the host',
+  `log_path` varchar(200) DEFAULT NULL COMMENT 'task log path',
+  `alert_flag` tinyint(4) DEFAULT NULL COMMENT 'whether alert',
+  `retry_times` int(4) DEFAULT '0' COMMENT 'task retry times',
+  `pid` int(4) DEFAULT NULL COMMENT 'pid of task',
   `app_link` varchar(255) DEFAULT NULL COMMENT 'yarn app id',
-  `flag` tinyint(4) DEFAULT '1' COMMENT '是否可用：0 不可用，1 可用',
-  `retry_interval` int(4) DEFAULT NULL COMMENT '重试间隔',
-  `max_retry_times` int(2) DEFAULT NULL COMMENT '最大重试次数',
-  `task_instance_priority` int(11) DEFAULT NULL COMMENT '任务实例优先级：0 Highest,1 High,2 Medium,3 Low,4 Lowest',
+  `flag` tinyint(4) DEFAULT '1' COMMENT '0 not available, 1 available',
+  `retry_interval` int(4) DEFAULT NULL COMMENT 'retry interval when task failed ',
+  `max_retry_times` int(2) DEFAULT NULL COMMENT 'max retry times',
+  `task_instance_priority` int(11) DEFAULT NULL COMMENT 'task instance priority:0 Highest,1 High,2 Medium,3 Low,4 Lowest',
   PRIMARY KEY (`id`),
   KEY `process_instance_id` (`process_instance_id`) USING BTREE,
   KEY `task_instance_index` (`process_definition_id`,`process_instance_id`) USING BTREE,
@@ -362,13 +362,13 @@ CREATE TABLE `t_escheduler_task_instance` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_tenant`;
 CREATE TABLE `t_escheduler_tenant` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `tenant_code` varchar(64) DEFAULT NULL COMMENT '租户编码',
-  `tenant_name` varchar(64) DEFAULT NULL COMMENT '租户名称',
-  `desc` varchar(256) DEFAULT NULL COMMENT '描述',
-  `queue_id` int(11) DEFAULT NULL COMMENT '队列id',
-  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `tenant_code` varchar(64) DEFAULT NULL COMMENT 'tenant code',
+  `tenant_name` varchar(64) DEFAULT NULL COMMENT 'tenant name',
+  `desc` varchar(256) DEFAULT NULL COMMENT 'description',
+  `queue_id` int(11) DEFAULT NULL COMMENT 'queue id',
+  `create_time` datetime DEFAULT NULL COMMENT 'create time',
+  `update_time` datetime DEFAULT NULL COMMENT 'update time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -377,18 +377,18 @@ CREATE TABLE `t_escheduler_tenant` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_udfs`;
 CREATE TABLE `t_escheduler_udfs` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-  `user_id` int(11) NOT NULL COMMENT '用户id',
-  `func_name` varchar(100) NOT NULL COMMENT 'UDF函数名',
-  `class_name` varchar(255) NOT NULL COMMENT '类名',
-  `type` tinyint(4) NOT NULL COMMENT 'Udf函数类型',
-  `arg_types` varchar(255) DEFAULT NULL COMMENT '参数',
-  `database` varchar(255) DEFAULT NULL COMMENT '库名',
-  `desc` varchar(255) DEFAULT NULL COMMENT '描述',
-  `resource_id` int(11) NOT NULL COMMENT '资源id',
-  `resource_name` varchar(255) NOT NULL COMMENT '资源名称',
-  `create_time` datetime NOT NULL COMMENT '创建时间',
-  `update_time` datetime NOT NULL COMMENT '更新时间',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+  `user_id` int(11) NOT NULL COMMENT 'user id',
+  `func_name` varchar(100) NOT NULL COMMENT 'UDF function name',
+  `class_name` varchar(255) NOT NULL COMMENT 'class of udf',
+  `type` tinyint(4) NOT NULL COMMENT 'Udf function type',
+  `arg_types` varchar(255) DEFAULT NULL COMMENT 'arguments types',
+  `database` varchar(255) DEFAULT NULL COMMENT 'data base',
+  `desc` varchar(255) DEFAULT NULL COMMENT 'description',
+  `resource_id` int(11) NOT NULL COMMENT 'resource id',
+  `resource_name` varchar(255) NOT NULL COMMENT 'resource name',
+  `create_time` datetime NOT NULL COMMENT 'create time',
+  `update_time` datetime NOT NULL COMMENT 'update time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
@@ -397,15 +397,15 @@ CREATE TABLE `t_escheduler_udfs` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_user`;
 CREATE TABLE `t_escheduler_user` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '用户id',
-  `user_name` varchar(64) DEFAULT NULL COMMENT '用户名',
-  `user_password` varchar(64) DEFAULT NULL COMMENT '用户密码',
-  `user_type` tinyint(4) DEFAULT NULL COMMENT '用户类型：0 管理员，1 普通用户',
-  `email` varchar(64) DEFAULT NULL COMMENT '邮箱',
-  `phone` varchar(11) DEFAULT NULL COMMENT '手机',
-  `tenant_id` int(11) DEFAULT NULL COMMENT '管理员0,普通用户所属租户id',
-  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-  `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'user id',
+  `user_name` varchar(64) DEFAULT NULL COMMENT 'user name',
+  `user_password` varchar(64) DEFAULT NULL COMMENT 'user password',
+  `user_type` tinyint(4) DEFAULT NULL COMMENT 'user type, 0:administrator，1:ordinary user',
+  `email` varchar(64) DEFAULT NULL COMMENT 'email',
+  `phone` varchar(11) DEFAULT NULL COMMENT 'phone',
+  `tenant_id` int(11) DEFAULT NULL COMMENT 'tenant id',
+  `create_time` datetime DEFAULT NULL COMMENT 'create time',
+  `update_time` datetime DEFAULT NULL COMMENT 'update time',
   PRIMARY KEY (`id`),
   UNIQUE KEY `user_name_unique` (`user_name`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
@@ -415,13 +415,13 @@ CREATE TABLE `t_escheduler_user` (
 -- ----------------------------
 DROP TABLE IF EXISTS `t_escheduler_worker_server`;
 CREATE TABLE `t_escheduler_worker_server` (
-  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
   `host` varchar(45) DEFAULT NULL COMMENT 'ip',
-  `port` int(11) DEFAULT NULL COMMENT '进程号',
-  `zk_directory` varchar(64) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL COMMENT 'zk注册目录',
-  `res_info` varchar(255) DEFAULT NULL COMMENT '集群资源信息：json格式{"cpu":xxx,"memroy":xxx}',
-  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-  `last_heartbeat_time` datetime DEFAULT NULL COMMENT '更新时间',
+  `port` int(11) DEFAULT NULL COMMENT 'process id',
+  `zk_directory` varchar(64) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL COMMENT 'zk path',
+  `res_info` varchar(255) DEFAULT NULL COMMENT 'json resource info,{"cpu":xxx,"memroy":xxx}',
+  `create_time` datetime DEFAULT NULL COMMENT 'create time',
+  `last_heartbeat_time` datetime DEFAULT NULL COMMENT 'update time',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
diff --git a/sql/create/release-1.0.0_schema/mysql/dolphinscheduler_dml.sql b/sql/create/release-1.0.0_schema/mysql/dolphinscheduler_dml.sql
index 4bedb7b431..58a7ff0bd0 100644
--- a/sql/create/release-1.0.0_schema/mysql/dolphinscheduler_dml.sql
+++ b/sql/create/release-1.0.0_schema/mysql/dolphinscheduler_dml.sql
@@ -1,6 +1,6 @@
 -- Records of t_escheduler_user,user : admin , password : dolphinscheduler123
 INSERT INTO `t_escheduler_user` VALUES ('1', 'admin', '7ad2410b2f4c074479a8937a28a22b8f', '0', 'xxx@qq.com', 'xx', '0', '2018-03-27 15:48:50', '2018-10-24 17:40:22');
-INSERT INTO `t_escheduler_alertgroup` VALUES (1, 'escheduler管理员告警组', '0', 'escheduler管理员告警组','2018-11-29 10:20:39', '2018-11-29 10:20:39');
+INSERT INTO `t_escheduler_alertgroup` VALUES (1, 'escheduler default admin warning group', '0', 'escheduler default admin warning group','2018-11-29 10:20:39', '2018-11-29 10:20:39');
 INSERT INTO `t_escheduler_relation_user_alertgroup` VALUES ('1', '1', '1', '2018-11-29 10:22:33', '2018-11-29 10:22:33');
 
 -- Records of t_escheduler_queue,default queue name : default
diff --git a/sql/create/release-1.2.0_schema/postgresql/dolphinscheduler_dml.sql b/sql/create/release-1.2.0_schema/postgresql/dolphinscheduler_dml.sql
index f70f3323a3..7ae9076264 100644
--- a/sql/create/release-1.2.0_schema/postgresql/dolphinscheduler_dml.sql
+++ b/sql/create/release-1.2.0_schema/postgresql/dolphinscheduler_dml.sql
@@ -1,6 +1,6 @@
 -- Records of t_ds_user,user : admin , password : dolphinscheduler123
 INSERT INTO "t_ds_user" VALUES ('1', 'admin', '7ad2410b2f4c074479a8937a28a22b8f', '0', 'xxx@qq.com', 'xx', '0', '2018-03-27 15:48:50', '2018-10-24 17:40:22');
-INSERT INTO "t_ds_alertgroup" VALUES (1, 'dolphinscheduler管理员告警组', '0', 'dolphinscheduler管理员告警组','2018-11-29 10:20:39', '2018-11-29 10:20:39');
+INSERT INTO "t_ds_alertgroup" VALUES (1, 'dolphinscheduler warning group', '0', 'dolphinscheduler warning group','2018-11-29 10:20:39', '2018-11-29 10:20:39');
 INSERT INTO "t_ds_relation_user_alertgroup" VALUES ('1', '1', '1', '2018-11-29 10:22:33', '2018-11-29 10:22:33');
 
 -- Records of t_ds_queue,default queue name : default
diff --git a/sql/upgrade/1.0.1_schema/mysql/dolphinscheduler_ddl.sql b/sql/upgrade/1.0.1_schema/mysql/dolphinscheduler_ddl.sql
index bf36e1ad4b..e41a5ca4cc 100644
--- a/sql/upgrade/1.0.1_schema/mysql/dolphinscheduler_ddl.sql
+++ b/sql/upgrade/1.0.1_schema/mysql/dolphinscheduler_ddl.sql
@@ -9,7 +9,7 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_queue_C_create_time()
            AND TABLE_SCHEMA=(SELECT DATABASE())
            AND COLUMN_NAME='create_time')
    THEN
-         ALTER TABLE t_escheduler_queue ADD COLUMN create_time datetime DEFAULT NULL COMMENT '创建时间' AFTER queue;
+         ALTER TABLE t_escheduler_queue ADD COLUMN create_time datetime DEFAULT NULL COMMENT 'create time' AFTER queue;
        END IF;
  END;
 
@@ -30,7 +30,7 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_queue_C_update_time()
            AND TABLE_SCHEMA=(SELECT DATABASE())
            AND COLUMN_NAME='update_time')
    THEN
-         ALTER TABLE t_escheduler_queue ADD COLUMN update_time datetime DEFAULT NULL COMMENT '更新时间' AFTER create_time;
+         ALTER TABLE t_escheduler_queue ADD COLUMN update_time datetime DEFAULT NULL COMMENT 'update time' AFTER create_time;
        END IF;
  END;
 
diff --git a/sql/upgrade/1.0.2_schema/mysql/dolphinscheduler_ddl.sql b/sql/upgrade/1.0.2_schema/mysql/dolphinscheduler_ddl.sql
index 01574d5254..3654679ed2 100644
--- a/sql/upgrade/1.0.2_schema/mysql/dolphinscheduler_ddl.sql
+++ b/sql/upgrade/1.0.2_schema/mysql/dolphinscheduler_ddl.sql
@@ -10,7 +10,7 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_version()
          `version` varchar(200) NOT NULL,
          PRIMARY KEY (`id`),
          UNIQUE KEY `version_UNIQUE` (`version`)
-       ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COMMENT='版本表';
+       ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COMMENT='version';
 
  END;
 
@@ -30,7 +30,7 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_user_C_queue()
            AND TABLE_SCHEMA=(SELECT DATABASE())
            AND COLUMN_NAME='queue')
    THEN
-         ALTER TABLE t_escheduler_user ADD COLUMN queue varchar(64) COMMENT '队列' AFTER update_time;
+         ALTER TABLE t_escheduler_user ADD COLUMN queue varchar(64) COMMENT 'queue' AFTER update_time;
        END IF;
  END;
 
@@ -47,12 +47,12 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_access_token()
    BEGIN
        drop table if exists t_escheduler_access_token;
        CREATE TABLE  IF NOT EXISTS  `t_escheduler_access_token` (
-         `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
-         `user_id` int(11) DEFAULT NULL COMMENT '用户id',
-         `token` varchar(64) DEFAULT NULL COMMENT 'token令牌',
-         `expire_time` datetime DEFAULT NULL COMMENT 'token有效结束时间',
-         `create_time` datetime DEFAULT NULL COMMENT '创建时间',
-         `update_time` datetime DEFAULT NULL COMMENT '更新时间',
+         `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
+         `user_id` int(11) DEFAULT NULL COMMENT 'user id',
+         `token` varchar(64) DEFAULT NULL COMMENT 'token',
+         `expire_time` datetime DEFAULT NULL COMMENT 'end time of token ',
+         `create_time` datetime DEFAULT NULL COMMENT 'create time',
+         `update_time` datetime DEFAULT NULL COMMENT 'update time',
          PRIMARY KEY (`id`)
        ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
 
@@ -71,22 +71,22 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_error_command()
    BEGIN
        drop table if exists t_escheduler_error_command;
        CREATE TABLE  IF NOT EXISTS  `t_escheduler_error_command` (
-           `id` int(11) NOT NULL COMMENT '主键',
-           `command_type` tinyint(4) NULL DEFAULT NULL COMMENT '命令类型：0 启动工作流,1 从当前节点开始执行,2 恢复被容错的工作流,3 恢复暂停流程,4 从失败节点开始执行,5 补数,6 调度,7 重跑,8 暂停,9 停止,10 恢复等待线程',
-           `executor_id` int(11) NULL DEFAULT NULL COMMENT '命令执行者',
-           `process_definition_id` int(11) NULL DEFAULT NULL COMMENT '流程定义id',
-           `command_param` text CHARACTER SET utf8 COLLATE utf8_general_ci NULL COMMENT '命令的参数（json格式）',
-           `task_depend_type` tinyint(4) NULL DEFAULT NULL COMMENT '节点依赖类型',
-           `failure_strategy` tinyint(4) NULL DEFAULT 0 COMMENT '失败策略：0结束，1继续',
-           `warning_type` tinyint(4) NULL DEFAULT 0 COMMENT '告警类型',
-           `warning_group_id` int(11) NULL DEFAULT NULL COMMENT '告警组',
-           `schedule_time` datetime(0) NULL DEFAULT NULL COMMENT '预期运行时间',
-           `start_time` datetime(0) NULL DEFAULT NULL COMMENT '开始时间',
-           `update_time` datetime(0) NULL DEFAULT NULL COMMENT '更新时间',
-           `dependence` text CHARACTER SET utf8 COLLATE utf8_general_ci NULL COMMENT '依赖字段',
-           `process_instance_priority` int(11) NULL DEFAULT NULL COMMENT '流程实例优先级：0 Highest,1 High,2 Medium,3 Low,4 Lowest',
-           `worker_group_id` int(11) NULL DEFAULT -1 COMMENT '任务指定运行的worker分组',
-           `message` text CHARACTER SET utf8 COLLATE utf8_general_ci NULL COMMENT '执行信息',
+           `id` int(11) NOT NULL COMMENT 'key',
+           `command_type` tinyint(4) NULL DEFAULT NULL COMMENT 'command type',
+           `executor_id` int(11) NULL DEFAULT NULL COMMENT 'executor id',
+           `process_definition_id` int(11) NULL DEFAULT NULL COMMENT 'process definition id',
+           `command_param` text CHARACTER SET utf8 COLLATE utf8_general_ci NULL COMMENT 'json command parameters',
+           `task_depend_type` tinyint(4) NULL DEFAULT NULL COMMENT 'task depend type',
+           `failure_strategy` tinyint(4) NULL DEFAULT 0 COMMENT 'failure strategy',
+           `warning_type` tinyint(4) NULL DEFAULT 0 COMMENT 'warning type',
+           `warning_group_id` int(11) NULL DEFAULT NULL COMMENT 'warning group id',
+           `schedule_time` datetime(0) NULL DEFAULT NULL COMMENT 'scheduler time',
+           `start_time` datetime(0) NULL DEFAULT NULL COMMENT 'start time',
+           `update_time` datetime(0) NULL DEFAULT NULL COMMENT 'update time',
+           `dependence` text CHARACTER SET utf8 COLLATE utf8_general_ci NULL COMMENT 'dependence',
+           `process_instance_priority` int(11) NULL DEFAULT NULL COMMENT 'process instance priority, 0 Highest,1 High,2 Medium,3 Low,4 Lowest',
+           `worker_group_id` int(11) NULL DEFAULT -1 COMMENT 'worker group id',
+           `message` text CHARACTER SET utf8 COLLATE utf8_general_ci NULL COMMENT 'message',
            PRIMARY KEY (`id`) USING BTREE
        ) ENGINE = InnoDB AUTO_INCREMENT=1 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
 
@@ -106,10 +106,10 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_worker_group()
        drop table if exists t_escheduler_worker_group;
        CREATE TABLE  IF NOT EXISTS  `t_escheduler_worker_group` (
            `id` bigint(11) NOT NULL AUTO_INCREMENT COMMENT 'id',
-           `name` varchar(256)  NULL DEFAULT NULL COMMENT '组名称',
-           `ip_list` varchar(256)  NULL DEFAULT NULL COMMENT 'worker地址列表',
-           `create_time` datetime(0) NULL DEFAULT NULL COMMENT '创建时间',
-           `update_time` datetime(0) NULL DEFAULT NULL COMMENT '更新时间',
+           `name` varchar(256)  NULL DEFAULT NULL COMMENT 'worker group name',
+           `ip_list` varchar(256)  NULL DEFAULT NULL COMMENT 'worker ip list. split by [,] ',
+           `create_time` datetime(0) NULL DEFAULT NULL COMMENT 'create time',
+           `update_time` datetime(0) NULL DEFAULT NULL COMMENT 'update time',
            PRIMARY KEY (`id`) USING BTREE
        ) ENGINE = InnoDB AUTO_INCREMENT=1 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
 
@@ -131,7 +131,7 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_task_instance_C_worker_group_id()
            AND TABLE_SCHEMA=(SELECT DATABASE())
            AND COLUMN_NAME='worker_group_id')
    THEN
-         ALTER TABLE t_escheduler_task_instance ADD COLUMN `worker_group_id` int(11) NULL DEFAULT -1 COMMENT '任务指定运行的worker分组' AFTER `task_instance_priority`;
+         ALTER TABLE t_escheduler_task_instance ADD COLUMN `worker_group_id` int(11) NULL DEFAULT -1 COMMENT 'worker group id' AFTER `task_instance_priority`;
        END IF;
  END;
 
@@ -152,7 +152,7 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_command_C_worker_group_id()
            AND TABLE_SCHEMA=(SELECT DATABASE())
            AND COLUMN_NAME='worker_group_id')
    THEN
-         ALTER TABLE t_escheduler_command ADD COLUMN `worker_group_id` int(11) NULL DEFAULT -1 COMMENT '任务指定运行的worker分组' AFTER `process_instance_priority`;
+         ALTER TABLE t_escheduler_command ADD COLUMN `worker_group_id` int(11) NULL DEFAULT -1 COMMENT 'worker group id' AFTER `process_instance_priority`;
        END IF;
  END;
 
@@ -172,7 +172,7 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_schedules_C_worker_group_id()
            AND TABLE_SCHEMA=(SELECT DATABASE())
            AND COLUMN_NAME='worker_group_id')
    THEN
-         ALTER TABLE t_escheduler_schedules ADD COLUMN `worker_group_id` int(11) NULL DEFAULT -1 COMMENT '任务指定运行的worker分组' AFTER `process_instance_priority`;
+         ALTER TABLE t_escheduler_schedules ADD COLUMN `worker_group_id` int(11) NULL DEFAULT -1 COMMENT 'worker group id' AFTER `process_instance_priority`;
        END IF;
  END;
 
@@ -192,7 +192,7 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_process_instance_C_worker_group_id
            AND TABLE_SCHEMA=(SELECT DATABASE())
            AND COLUMN_NAME='worker_group_id')
    THEN
-         ALTER TABLE t_escheduler_process_instance ADD COLUMN `worker_group_id` int(11) NULL DEFAULT -1 COMMENT '任务指定运行的worker分组' AFTER `process_instance_priority`;
+         ALTER TABLE t_escheduler_process_instance ADD COLUMN `worker_group_id` int(11) NULL DEFAULT -1 COMMENT 'worker group id' AFTER `process_instance_priority`;
        END IF;
  END;
 
@@ -213,7 +213,7 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_process_instance_C_timeout()
            AND TABLE_SCHEMA=(SELECT DATABASE())
            AND COLUMN_NAME='timeout')
    THEN
-         ALTER TABLE `t_escheduler_process_instance` ADD COLUMN `timeout` int(11) NULL DEFAULT 0  COMMENT '超时时间' AFTER `worker_group_id`;
+         ALTER TABLE `t_escheduler_process_instance` ADD COLUMN `timeout` int(11) NULL DEFAULT 0  COMMENT 'time out' AFTER `worker_group_id`;
        END IF;
  END;
 
@@ -234,7 +234,7 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_process_definition_C_timeout()
            AND TABLE_SCHEMA=(SELECT DATABASE())
            AND COLUMN_NAME='timeout')
    THEN
-         ALTER TABLE `t_escheduler_process_definition` ADD COLUMN `timeout` int(11) NULL DEFAULT 0 COMMENT '超时时间' AFTER `create_time`;
+         ALTER TABLE `t_escheduler_process_definition` ADD COLUMN `timeout` int(11) NULL DEFAULT 0 COMMENT 'time out' AFTER `create_time`;
        END IF;
  END;
 
diff --git a/sql/upgrade/1.1.0_schema/mysql/dolphinscheduler_ddl.sql b/sql/upgrade/1.1.0_schema/mysql/dolphinscheduler_ddl.sql
index c43b3d86b0..ded8aa53c0 100644
--- a/sql/upgrade/1.1.0_schema/mysql/dolphinscheduler_ddl.sql
+++ b/sql/upgrade/1.1.0_schema/mysql/dolphinscheduler_ddl.sql
@@ -10,7 +10,7 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_process_definition_C_tenant_id()
            AND TABLE_SCHEMA=(SELECT DATABASE())
            AND COLUMN_NAME='tenant_id')
    THEN
-         ALTER TABLE `t_escheduler_process_definition` ADD COLUMN `tenant_id` int(11) NOT NULL DEFAULT -1 COMMENT '租户id' AFTER `timeout`;
+         ALTER TABLE `t_escheduler_process_definition` ADD COLUMN `tenant_id` int(11) NOT NULL DEFAULT -1 COMMENT 'tenant id' AFTER `timeout`;
        END IF;
  END;
 
@@ -30,7 +30,7 @@ CREATE PROCEDURE ac_escheduler_T_t_escheduler_process_instance_C_tenant_id()
            AND TABLE_SCHEMA=(SELECT DATABASE())
            AND COLUMN_NAME='tenant_id')
    THEN
-         ALTER TABLE `t_escheduler_process_instance` ADD COLUMN `tenant_id` int(11) NOT NULL DEFAULT -1 COMMENT '租户id' AFTER `timeout`;
+         ALTER TABLE `t_escheduler_process_instance` ADD COLUMN `tenant_id` int(11) NOT NULL DEFAULT -1 COMMENT 'tenant id' AFTER `timeout`;
        END IF;
  END;