diff --git a/db/zentao.sql b/db/zentao.sql
index bb283489bc..5f73b7af19 100755
--- a/db/zentao.sql
+++ b/db/zentao.sql
@@ -80,7 +80,7 @@ CREATE TABLE IF NOT EXISTS `zt_api_lib_release` (
   `desc` varchar(255) NOT NULL DEFAULT '',
   `version` varchar(255) NOT NULL DEFAULT '',
   `snap` mediumtext DEFAULT NULL,
-  `addedBy` varchar(30) NOT NULL DEFAULT 0,
+  `addedBy` varchar(30) NOT NULL DEFAULT '',
   `addedDate` datetime DEFAULT NULL,
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB;
@@ -93,12 +93,12 @@ CREATE TABLE IF NOT EXISTS `zt_api` (
   `module` int unsigned NOT NULL DEFAULT 0,
   `title` varchar(100) NOT NULL DEFAULT '',
   `path` varchar(255) NOT NULL DEFAULT '',
-  `protocol` varchar(10)  NOT NULL DEFAULT '',
-  `method` varchar(10)  NOT NULL DEFAULT '',
+  `protocol` varchar(10) NOT NULL DEFAULT '',
+  `method` varchar(10) NOT NULL DEFAULT '',
   `requestType` varchar(100) NOT NULL DEFAULT '',
   `responseType` varchar(100) NOT NULL DEFAULT '',
-  `status` varchar(20)  NOT NULL DEFAULT '',
-  `owner` varchar(30)  NOT NULl DEFAULT 0,
+  `status` varchar(20) NOT NULL DEFAULT '',
+  `owner` varchar(30) NOT NULL DEFAULT '',
   `desc` mediumtext DEFAULT NULL,
   `version` smallint unsigned NOT NULL DEFAULT 1,
   `params` text DEFAULT NULL,
@@ -106,7 +106,7 @@ CREATE TABLE IF NOT EXISTS `zt_api` (
   `responseExample` text DEFAULT NULL,
   `response` text DEFAULT NULL,
   `commonParams` text DEFAULT NULL,
-  `addedBy` varchar(30)  NOT NULL DEFAULT 0,
+  `addedBy` varchar(30) NOT NULL DEFAULT '',
   `addedDate` datetime DEFAULT NULL,
   `editedBy` varchar(30) NOT NULL DEFAULT '',
   `editedDate` datetime DEFAULT NULL,
@@ -121,19 +121,19 @@ CREATE TABLE IF NOT EXISTS `zt_apispec` (
   `module` int unsigned NOT NULL DEFAULT 0,
   `title` varchar(100) NOT NULL DEFAULT '',
   `path` varchar(255) NOT NULL DEFAULT '',
-  `protocol` varchar(10)  NOT NULL DEFAULT '',
-  `method` varchar(10)  NOT NULL DEFAULT '',
+  `protocol` varchar(10) NOT NULL DEFAULT '',
+  `method` varchar(10) NOT NULL DEFAULT '',
   `requestType` varchar(100) NOT NULL DEFAULT '',
   `responseType` varchar(100) NOT NULL DEFAULT '',
-  `status` varchar(20)  NOT NULL DEFAULT '',
-  `owner` varchar(255) NOT NULl DEFAULT 0,
+  `status` varchar(20) NOT NULL DEFAULT '',
+  `owner` varchar(255) NOT NULL DEFAULT '',
   `desc` mediumtext DEFAULT NULL,
   `version` smallint unsigned NOT NULL DEFAULT 1,
   `params` text DEFAULT NULL,
   `paramsExample` text DEFAULT NULL,
   `responseExample` text DEFAULT NULL,
   `response` text DEFAULT NULL,
-  `addedBy` varchar(30) NOT NULL DEFAULT 0,
+  `addedBy` varchar(30) NOT NULL DEFAULT '',
   `addedDate` datetime DEFAULT NULL,
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB;
@@ -142,12 +142,12 @@ CREATE TABLE IF NOT EXISTS `zt_apispec` (
 CREATE TABLE IF NOT EXISTS `zt_apistruct` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
   `lib` int unsigned NOT NULL DEFAULT 0,
-  `name` varchar(30)  NOT NULL DEFAULT '',
-  `type` varchar(50)  NOT NULL DEFAULT '',
+  `name` varchar(30) NOT NULL DEFAULT '',
+  `type` varchar(50) NOT NULL DEFAULT '',
   `desc` mediumtext DEFAULT NULL,
   `version` smallint unsigned NOT NULL DEFAULT 1,
   `attribute` text DEFAULT NULL,
-  `addedBy` varchar(30) NOT NULL DEFAULT 0,
+  `addedBy` varchar(30) NOT NULL DEFAULT '',
   `addedDate` datetime DEFAULT NULL,
   `editedBy` varchar(30) NOT NULL DEFAULT '',
   `editedDate` datetime DEFAULT NULL,
@@ -159,11 +159,11 @@ CREATE TABLE IF NOT EXISTS `zt_apistruct` (
 CREATE TABLE IF NOT EXISTS `zt_apistruct_spec` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
   `name` varchar(255) NOT NULL DEFAULT '',
-  `type` varchar(50)  NOT NULL DEFAULT '',
+  `type` varchar(50) NOT NULL DEFAULT '',
   `desc` varchar(255) NOT NULL DEFAULT '',
   `attribute` text DEFAULT NULL,
   `version` smallint unsigned NOT NULL DEFAULT 1,
-  `addedBy` varchar(30) NOT NULL DEFAULT 0,
+  `addedBy` varchar(30) NOT NULL DEFAULT '',
   `addedDate` datetime DEFAULT NULL,
   primary key (`id`)
 ) ENGINE=InnoDB;
@@ -229,10 +229,10 @@ CREATE TABLE IF NOT EXISTS `zt_approvalnode` (
   `title` varchar(255) NOT NULL DEFAULT '',
   `account` varchar(30) NOT NULL DEFAULT '',
   `node` varchar(100) NOT NULL DEFAULT '',
-  `reviewType` varchar(100)  NOT NULL DEFAULT 'manual',
-  `agentType` varchar(100)  NOT NULL DEFAULT 'pass',
+  `reviewType` varchar(100) NOT NULL DEFAULT 'manual',
+  `agentType` varchar(100) NOT NULL DEFAULT 'pass',
   `multipleType` varchar(10) NOT NULL DEFAULT 'and',
-  `percent` smallint unsigned NOT NULL DEFAULT 0,
+  `percent` tinyint unsigned NOT NULL DEFAULT 0,
   `needAll` tinyint unsigned NOT NULL DEFAULT 0,
   `solicit` tinyint unsigned NOT NULL DEFAULT 0,
   `prev` mediumtext DEFAULT NULL,
@@ -596,16 +596,16 @@ CREATE TABLE IF NOT EXISTS `zt_screen` (
 -- DROP TABLE IF EXISTS `zt_deliverable`;
 CREATE TABLE IF NOT EXISTS `zt_deliverable` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
-  `name` varchar(255) NOT NULL,
-  `module` varchar(30) NULL,
-  `method` varchar(30) NULL,
+  `name` varchar(255) NOT NULL DEFAULT '',
+  `module` varchar(30) NOT NULL DEFAULT '',
+  `method` varchar(30) NOT NULL DEFAULT '',
   `model` text DEFAULT NULL,
   `type` varchar(10) NOT NULL DEFAULT 'file',
   `desc` text DEFAULT NULL,
-  `files` varchar(255) NULL,
-  `createdBy` varchar(30) NULL,
+  `files` varchar(255) NOT NULL DEFAULT '',
+  `createdBy` varchar(30) NOT NULL DEFAULT '',
   `createdDate` date DEFAULT NULL,
-  `lastEditedBy` varchar(30) NULL,
+  `lastEditedBy` varchar(30) NOT NULL DEFAULT '',
   `lastEditedDate` date DEFAULT NULL,
   `deleted` tinyint unsigned NOT NULL DEFAULT 0,
   PRIMARY KEY (`id`)
@@ -631,15 +631,15 @@ CREATE INDEX `code` ON `zt_dimension`(`code`);
 -- DROP TABLE IF EXISTS `zt_company`;
 CREATE TABLE IF NOT EXISTS `zt_company` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
-  `name` varchar(120) DEFAULT NULL,
-  `phone` varchar(20) DEFAULT NULL,
-  `fax` varchar(20) DEFAULT NULL,
-  `address` varchar(120) DEFAULT NULL,
-  `zipcode` varchar(10) DEFAULT NULL,
-  `website` varchar(120) DEFAULT NULL,
-  `backyard` varchar(120) DEFAULT NULL,
+  `name` varchar(120) NOT NULL DEFAULT '',
+  `phone` varchar(20) NOT NULL DEFAULT '',
+  `fax` varchar(20) NOT NULL DEFAULT '',
+  `address` varchar(120) NOT NULL DEFAULT '',
+  `zipcode` varchar(10) NOT NULL DEFAULT '',
+  `website` varchar(120) NOT NULL DEFAULT '',
+  `backyard` varchar(120) NOT NULL DEFAULT '',
   `guest` tinyint unsigned NOT NULL DEFAULT 0,
-  `admins` varchar(255) DEFAULT NULL,
+  `admins` varchar(255) NOT NULL DEFAULT '',
   `deleted` tinyint unsigned NOT NULL DEFAULT 0,
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB;
@@ -743,7 +743,7 @@ CREATE TABLE IF NOT EXISTS `zt_dataview` (
   `objects` text DEFAULT NULL,
   `createdBy` varchar(30) NOT NULL DEFAULT '',
   `createdDate` datetime DEFAULT NULL,
-  `editedBy` varchar(30) NULL DEFAULT '',
+  `editedBy` varchar(30) NOT NULL DEFAULT '',
   `editedDate` datetime DEFAULT NULL,
   `deleted` tinyint unsigned NOT NULL DEFAULT 0,
   PRIMARY KEY (`id`)
@@ -930,7 +930,7 @@ CREATE TABLE IF NOT EXISTS `zt_docblock` (
   `type` varchar(50) NOT NULL DEFAULT '',
   `settings` text DEFAULT NULL,
   `content` mediumtext DEFAULT NULL,
-  `extra` varchar(255) NULL,
+  `extra` varchar(255) NOT NULL DEFAULT '',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB;
 CREATE INDEX `idx_doc` ON `zt_docblock` (`doc`);
@@ -1019,8 +1019,8 @@ CREATE INDEX `installedTime` ON `zt_extension`(`installedTime`);
 -- DROP TABLE IF EXISTS `zt_extuser`;
 CREATE TABLE IF NOT EXISTS `zt_extuser` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
-  `code` varchar(255) NOT NULL,
-  `account` varchar(30) NOT NULL,
+  `code` varchar(255) NOT NULL DEFAULT '',
+  `account` varchar(30) NOT NULL DEFAULT '',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB;
 
@@ -1421,11 +1421,11 @@ CREATE TABLE IF NOT EXISTS `zt_pipeline` (
   `id` smallint unsigned NOT NULL AUTO_INCREMENT,
   `type` varchar(30) NOT NULL DEFAULT '',
   `name` varchar(50) NOT NULL DEFAULT '',
-  `url` varchar(255) NULL,
-  `account` varchar(30) NULL,
-  `password` varchar(255) NULL,
-  `token` varchar(255) NULL,
-  `private` char(32) NULL,
+  `url` varchar(255) NOT NULL DEFAULT '',
+  `account` varchar(30) NOT NULL DEFAULT '',
+  `password` varchar(255) NOT NULL DEFAULT '',
+  `token` varchar(255) NOT NULL DEFAULT '',
+  `private` char(32) NOT NULL DEFAULT '',
   `instanceID` int unsigned NOT NULL DEFAULT 0,
   `createdBy` varchar(30) NOT NULL DEFAULT '',
   `createdDate` datetime DEFAULT NULL,
@@ -1740,7 +1740,7 @@ CREATE INDEX `story` ON `zt_projectstory` (`story`);
 CREATE TABLE IF NOT EXISTS `zt_queue` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
   `cron` int unsigned NOT NULL DEFAULT 0,
-  `type` varchar(255) NOT NULL,
+  `type` varchar(255) NOT NULL DEFAULT '',
   `command` text DEFAULT NULL,
   `status` varchar(10) NOT NULL DEFAULT 'wait',
   `execId` int unsigned NOT NULL DEFAULT 0,
@@ -2049,10 +2049,10 @@ CREATE INDEX `feedback` ON `zt_story` (`feedback`);
 -- DROP TABLE IF EXISTS `zt_storygrade`;
 CREATE TABLE IF NOT EXISTS `zt_storygrade` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
-  `type` varchar(10) NOT NULL,
+  `type` varchar(10) NOT NULL DEFAULT '',
   `grade` smallint unsigned NOT NULL DEFAULT 0,
-  `name` varchar(30) NOT NULL,
-  `status` varchar(30) NOT NULL,
+  `name` varchar(30) NOT NULL DEFAULT '',
+  `status` varchar(30) NOT NULL DEFAULT '',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB;
 
@@ -2422,7 +2422,7 @@ CREATE TABLE IF NOT EXISTS `zt_user` (
   `password` char(32) NOT NULL DEFAULT '',
   `role` varchar(10) NOT NULL DEFAULT '',
   `realname` varchar(100) NOT NULL DEFAULT '',
-  `superior` varchar(30) NULL DEFAULT '',
+  `superior` varchar(30) NOT NULL DEFAULT '',
   `pinyin` varchar(255) NOT NULL DEFAULT '',
   `nickname` varchar(60) NOT NULL DEFAULT '',
   `commiter` varchar(100) NOT NULL DEFAULT '',
@@ -2675,9 +2675,9 @@ CREATE TABLE IF NOT EXISTS `zt_relationoftasks` (
   `project` int unsigned NOT NULL DEFAULT 0,
   `execution` varchar(30) NOT NULL DEFAULT '',
   `pretask` int unsigned NOT NULL DEFAULT 0,
-  `condition` varchar(10) NOT NULL,
+  `condition` varchar(10) NOT NULL DEFAULT '',
   `task` int unsigned NOT NULL DEFAULT 0,
-  `action` varchar(10) NOT NULL,
+  `action` varchar(10) NOT NULL DEFAULT '',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB;
 CREATE INDEX `relationoftasks` ON `zt_relationoftasks` (`execution`, `task`);
@@ -2952,17 +2952,17 @@ CREATE TABLE IF NOT EXISTS `zt_attend` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
   `account` varchar(30) NOT NULL DEFAULT '',
   `date` date DEFAULT NULL,
-  `signIn` time NULL,
-  `signOut` time NULL,
+  `signIn` time DEFAULT NULL,
+  `signOut` time DEFAULT NULL,
   `status` varchar(30) NOT NULL DEFAULT '',
   `ip` varchar(100) NOT NULL DEFAULT '',
   `device` varchar(30) NOT NULL DEFAULT '',
   `client` varchar(20) NOT NULL DEFAULT '',
-  `manualIn` time NULL,
-  `manualOut` time NULL,
+  `manualIn` time DEFAULT NULL,
+  `manualOut` time DEFAULT NULL,
   `reason` varchar(30) NOT NULL DEFAULT '',
   `desc` text DEFAULT NULL,
-  `reviewStatus` varchar(30) NULL,
+  `reviewStatus` varchar(30) NOT NULL DEFAULT '',
   `reviewedBy` varchar(30) NOT NULL DEFAULT '',
   `reviewedDate` datetime DEFAULT NULL,
   PRIMARY KEY (`id`)
@@ -3008,8 +3008,8 @@ CREATE TABLE IF NOT EXISTS `zt_overtime` (
   `year` char(4) NOT NULL DEFAULT '',
   `begin` date DEFAULT NULL,
   `end` date DEFAULT NULL,
-  `start` time NULL,
-  `finish` time NULL,
+  `start` time DEFAULT NULL,
+  `finish` time DEFAULT NULL,
   `hours` decimal(4,1) unsigned NOT NULL DEFAULT 0.0,
   `leave` varchar(255) NOT NULL DEFAULT '',
   `type` varchar(30) NOT NULL DEFAULT '',
@@ -3050,8 +3050,8 @@ CREATE TABLE IF NOT EXISTS `zt_leave` (
   `year` char(4) NOT NULL DEFAULT '',
   `begin` date DEFAULT NULL,
   `end` date DEFAULT NULL,
-  `start` time NULL,
-  `finish` time NULL,
+  `start` time DEFAULT NULL,
+  `finish` time DEFAULT NULL,
   `hours` decimal(4,1) unsigned NOT NULL DEFAULT 0.0,
   `backDate` datetime DEFAULT NULL,
   `type` varchar(30) NOT NULL DEFAULT '',
@@ -3078,8 +3078,8 @@ CREATE TABLE IF NOT EXISTS `zt_lieu` (
   `year` char(4) NOT NULL DEFAULT '',
   `begin` date DEFAULT NULL,
   `end` date DEFAULT NULL,
-  `start` time NULL,
-  `finish` time NULL,
+  `start` time DEFAULT NULL,
+  `finish` time DEFAULT NULL,
   `hours` decimal(4,1) unsigned NOT NULL DEFAULT 0.0,
   `overtime` varchar(255) NOT NULL DEFAULT '',
   `trip` varchar(255) NOT NULL DEFAULT '',
@@ -3108,8 +3108,8 @@ CREATE TABLE IF NOT EXISTS `zt_trip` (
   `year` char(4) NOT NULL DEFAULT '',
   `begin` date DEFAULT NULL,
   `end` date DEFAULT NULL,
-  `start` time NULL,
-  `finish` time NULL,
+  `start` time DEFAULT NULL,
+  `finish` time DEFAULT NULL,
   `from` varchar(50) NOT NULL DEFAULT '',
   `to` varchar(50) NOT NULL DEFAULT '',
   `createdBy` varchar(30) NOT NULL DEFAULT '',
@@ -13698,9 +13698,9 @@ CREATE INDEX `version` ON `zt_workflowversion` (`version`);
 CREATE TABLE IF NOT EXISTS `zt_workflowui` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
   `group` int unsigned NOT NULL DEFAULT 0,
-  `module` varchar(30) NOT NULL,
-  `action` varchar(50) NOT NULL,
-  `name` varchar(30) NOT NULL,
+  `module` varchar(30) NOT NULL DEFAULT '',
+  `action` varchar(50) NOT NULL DEFAULT '',
+  `name` varchar(30) NOT NULL DEFAULT '',
   `conditions` text DEFAULT NULL,
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB;
@@ -13710,12 +13710,12 @@ CREATE INDEX `action` ON `zt_workflowui` (`action`);
 -- DROP TABLE IF EXISTS `zt_workflowreport`;
 CREATE TABLE IF NOT EXISTS `zt_workflowreport` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
-  `module` varchar(30) NOT NULL,
-  `name` varchar(100) NOT NULL,
+  `module` varchar(30) NOT NULL DEFAULT '',
+  `name` varchar(100) NOT NULL DEFAULT '',
   `type` varchar(10) NOT NULL DEFAULT 'pie',
   `countType` varchar(10) NOT NULL DEFAULT 'sum',
   `displayType` varchar(10) NOT NULL DEFAULT 'value',
-  `dimension` varchar(130) NOT NULL,
+  `dimension` varchar(130) NOT NULL DEFAULT '',
   `fields` text DEFAULT NULL,
   `order` smallint unsigned NOT NULL DEFAULT 0,
   `createdBy` varchar(30) NOT NULL DEFAULT '',
@@ -14224,8 +14224,8 @@ CREATE TABLE IF NOT EXISTS `zt_meeting` (
   `execution` int unsigned NOT NULL DEFAULT 0,
   `name` varchar(255) NOT NULL DEFAULT '',
   `type` varchar(255) NOT NULL DEFAULT '',
-  `begin` time NULL,
-  `end` time NULL,
+  `begin` time DEFAULT NULL,
+  `end` time DEFAULT NULL,
   `dept` int unsigned NOT NULL DEFAULT 0,
   `mode` varchar(255) NOT NULL DEFAULT '',
   `host` varchar(30) NOT NULL DEFAULT '',
@@ -15677,7 +15677,7 @@ CREATE INDEX `group`     ON `zt_pivot` (`group`);
 CREATE TABLE IF NOT EXISTS `zt_pivotspec` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
   `pivot` int unsigned NOT NULL DEFAULT 0,
-  `version` varchar(10) NOT NULL,
+  `version` varchar(10) NOT NULL DEFAULT '',
   `driver` varchar(10) NOT NULL DEFAULT 'mysql',
   `mode` varchar(10) NOT NULL DEFAULT 'builder',
   `name` text DEFAULT NULL,
@@ -15698,7 +15698,7 @@ CREATE UNIQUE INDEX `idx_pivot_version` ON `zt_pivotspec`(`pivot`, `version`);
 CREATE TABLE IF NOT EXISTS `zt_sqlbuilder` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
   `objectID` int unsigned NOT NULL DEFAULT 0,
-  `objectType` varchar(50) NOT NULL,
+  `objectType` varchar(50) NOT NULL DEFAULT '',
   `sql` text DEFAULT NULL,
   `setting` text DEFAULT NULL,
   PRIMARY KEY (`id`)
@@ -15708,9 +15708,9 @@ CREATE TABLE IF NOT EXISTS `zt_sqlbuilder` (
 CREATE TABLE IF NOT EXISTS `zt_pivotdrill` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
   `pivot` int unsigned NOT NULL DEFAULT 0,
-  `version`  varchar(10) NOT NULL DEFAULT '1',
-  `field` varchar(255) NOT NULL,
-  `object` varchar(40) NOT NULL,
+  `version` varchar(10) NOT NULL DEFAULT '1',
+  `field` varchar(255) NOT NULL DEFAULT '',
+  `object` varchar(40) NOT NULL DEFAULT '',
   `whereSql` mediumtext DEFAULT NULL,
   `condition` mediumtext DEFAULT NULL,
   `status` varchar(10) NOT NULL DEFAULT 'published',
@@ -15815,9 +15815,9 @@ INSERT INTO `zt_module`(`id`, `root`, `branch`, `name`, `parent`, `path`, `grade
 -- DROP TABLE IF EXISTS `zt_space`;
 CREATE TABLE IF NOT EXISTS `zt_space` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
-  `name` varchar(200) NOT NULL,
-  `k8space` char(64) NOT NULL,
-  `owner` varchar(30) NOT NULL,
+  `name` varchar(200) NOT NULL DEFAULT '',
+  `k8space` char(64) NOT NULL DEFAULT '',
+  `owner` varchar(30) NOT NULL DEFAULT '',
   `default` tinyint unsigned NOT NULL DEFAULT 0,
   `createdAt` datetime DEFAULT NULL,
   `deleted` tinyint unsigned NOT NULL DEFAULT 0,
@@ -15872,7 +15872,7 @@ CREATE TABLE IF NOT EXISTS `zt_demandpool` (
   `createdDate` date DEFAULT NULL,
   `owner` text DEFAULT NULL,
   `reviewer` text DEFAULT NULL,
-  `acl` varchar(30) NULL,
+  `acl` varchar(30) NOT NULL DEFAULT '',
   `deleted` tinyint unsigned NOT NULL DEFAULT 0,
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB;
@@ -16056,15 +16056,15 @@ REPLACE INTO `zt_stage` (`name`, `percent`, `type`, `projectType`, `createdBy`,
 -- DROP TABLE IF EXISTS `zt_ai_model`;
 CREATE TABLE IF NOT EXISTS `zt_ai_model` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
-  `type` varchar(20) NOT NULL,
-  `vendor` varchar(20) NOT NULL,
+  `type` varchar(20) NOT NULL DEFAULT '',
+  `vendor` varchar(20) NOT NULL DEFAULT '',
   `credentials` text DEFAULT NULL,
   `proxy` text DEFAULT NULL,
-  `name` varchar(20) DEFAULT NULL,
+  `name` varchar(20) NOT NULL DEFAULT '',
   `desc` text DEFAULT NULL,
-  `createdBy` varchar(30) NOT NULL,
+  `createdBy` varchar(30) NOT NULL DEFAULT '',
   `createdDate` datetime DEFAULT NULL,
-  `editedBy` varchar(30) DEFAULT NULL,
+  `editedBy` varchar(30) NOT NULL DEFAULT '',
   `editedDate` datetime DEFAULT NULL,
   `enabled` tinyint unsigned NOT NULL DEFAULT 1,
   `deleted` tinyint unsigned NOT NULL DEFAULT 0,
@@ -16074,21 +16074,21 @@ CREATE TABLE IF NOT EXISTS `zt_ai_model` (
 -- DROP TABLE IF EXISTS `zt_ai_prompt`;
 CREATE TABLE IF NOT EXISTS `zt_ai_prompt` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
-  `name` varchar(20) NOT NULL,
+  `name` varchar(20) NOT NULL DEFAULT '',
   `desc` text DEFAULT NULL,
   `model` varchar(255) NOT NULL DEFAULT '',
   `knowledgeLib` varchar(255) NOT NULL DEFAULT '' COMMENT '关联的知识库ID列表',
-  `module` varchar(30) DEFAULT NULL,
+  `module` varchar(30) NOT NULL DEFAULT '',
   `source` text DEFAULT NULL,
-  `targetForm` varchar(30) DEFAULT NULL,
+  `targetForm` varchar(30) NOT NULL DEFAULT '',
   `purpose` text DEFAULT NULL,
   `elaboration` text DEFAULT NULL,
   `role` text DEFAULT NULL,
   `characterization` text DEFAULT NULL,
   `status` varchar(10) NOT NULL DEFAULT 'draft',
-  `createdBy` varchar(30) NOT NULL,
+  `createdBy` varchar(30) NOT NULL DEFAULT '',
   `createdDate` datetime DEFAULT NULL,
-  `editedBy` varchar(30) DEFAULT NULL,
+  `editedBy` varchar(30) NOT NULL DEFAULT '',
   `editedDate` datetime DEFAULT NULL,
   `deleted` tinyint unsigned NOT NULL DEFAULT 0,
   PRIMARY KEY (`id`)
@@ -16134,7 +16134,7 @@ INSERT INTO `zt_ai_promptfield` (`appID`, `name`, `type`, `placeholder`, `option
 -- DROP TABLE IF EXISTS `zt_ai_promptrole`;
 CREATE TABLE IF NOT EXISTS `zt_ai_promptrole` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
-  `name` varchar(30) DEFAULT NULL,
+  `name` varchar(30) NOT NULL DEFAULT '',
   `desc` text DEFAULT NULL,
   `model` varchar(255) NOT NULL DEFAULT '',
   `role` text DEFAULT NULL,
@@ -16155,15 +16155,15 @@ INSERT INTO `zt_ai_promptrole` (`role`, `characterization`) VALUES
 -- DROP TABLE IF EXISTS `zt_ai_miniprogram`;
 CREATE TABLE IF NOT EXISTS `zt_ai_miniprogram` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
-  `name` varchar(30) NOT NULL,
-  `category` varchar(30) NOT NULL,
+  `name` varchar(30) NOT NULL DEFAULT '',
+  `category` varchar(30) NOT NULL DEFAULT '',
   `desc` text DEFAULT NULL,
   `model` varchar(255) NOT NULL DEFAULT '',
   `knowledgeLib` varchar(255) NOT NULL DEFAULT '' COMMENT '关联的知识库ID列表',
   `icon` varchar(30) NOT NULL DEFAULT 'writinghand-7',
-  `createdBy` varchar(30) NOT NULL,
+  `createdBy` varchar(30) NOT NULL DEFAULT '',
   `createdDate` datetime DEFAULT NULL,
-  `editedBy` varchar(30) NOT NULL,
+  `editedBy` varchar(30) NOT NULL DEFAULT '',
   `editedDate` datetime DEFAULT NULL,
   `published` tinyint unsigned NOT NULL DEFAULT 0,
   `publishedDate` datetime DEFAULT NULL,
@@ -16192,7 +16192,7 @@ CREATE TABLE IF NOT EXISTS `zt_ai_message` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
   `appID` int unsigned NOT NULL DEFAULT 0,
   `user` int unsigned NOT NULL DEFAULT 0,
-  `type` varchar(10) NOT NULL,
+  `type` varchar(10) NOT NULL DEFAULT '',
   `content` text DEFAULT NULL,
   `createdDate` datetime DEFAULT NULL,
   PRIMARY KEY (`id`)
@@ -16201,7 +16201,7 @@ CREATE TABLE IF NOT EXISTS `zt_ai_message` (
 CREATE TABLE IF NOT EXISTS `zt_ai_miniprogramfield` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
   `appID` int unsigned NOT NULL DEFAULT 0,
-  `name` varchar(30) NOT NULL,
+  `name` varchar(30) NOT NULL DEFAULT '',
   `type` varchar(10) DEFAULT 'text',
   `placeholder` text DEFAULT NULL,
   `options` text DEFAULT NULL,
@@ -16290,12 +16290,12 @@ ALTER TABLE `zt_ticket` ADD `subStatus` varchar(30) NOT NULL DEFAULT '';
 -- DROP TABLE IF EXISTS `zt_ai_assistant`;
 CREATE TABLE IF NOT EXISTS `zt_ai_assistant` (
   `id` int unsigned NOT NULL AUTO_INCREMENT,
-  `name` varchar(30) NOT NULL,
+  `name` varchar(30) NOT NULL DEFAULT '',
   `modelId` int unsigned NOT NULL DEFAULT 0,
   `desc` text DEFAULT NULL,
   `systemMessage` text DEFAULT NULL,
   `greetings` text DEFAULT NULL,
-  `icon` varchar(30) DEFAULT 'coding-1' NOT NULL,
+  `icon` varchar(30) NOT NULL DEFAULT 'coding-1',
   `enabled` tinyint unsigned NOT NULL DEFAULT 1,
   `createdDate` datetime DEFAULT NULL,
   `publishedDate` datetime DEFAULT NULL,
@@ -16400,16 +16400,16 @@ CREATE TABLE IF NOT EXISTS `zt_metric` (
   `purpose` varchar(50) NOT NULL DEFAULT '',
   `scope` varchar(30) NOT NULL DEFAULT '',
   `object` varchar(30) NOT NULL DEFAULT '',
-  `stage` varchar(10) NULL DEFAULT 'wait',
-  `type` varchar(10) NULL DEFAULT 'php',
+  `stage` varchar(10) NOT NULL DEFAULT 'wait',
+  `type` varchar(10) NOT NULL DEFAULT 'php',
   `name` varchar(90) NOT NULL DEFAULT '',
   `alias` varchar(90) NOT NULL DEFAULT '',
   `code` varchar(90) NOT NULL DEFAULT '',
   `unit` varchar(10) NOT NULL DEFAULT '',
   `dateType` varchar(50) NOT NULL DEFAULT '',
-  `collector` text,
-  `desc` text,
-  `definition` text,
+  `collector` text DEFAULT NULL,
+  `desc` text DEFAULT NULL,
+  `definition` text DEFAULT NULL,
   `when` varchar(30) NOT NULL DEFAULT '',
   `event` varchar(30) NOT NULL DEFAULT '',
   `cronCFG` varchar(30) NOT NULL DEFAULT '',