diff --git a/doc/5.1-to-5.1-mysql.sql b/doc/5.1-to-5.1-mysql.sql
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+++ b/doc/5.1-to-5.1-mysql.sql
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+UPDATE `mdiy_tag_sql` SET `tag_id` = 4, `tag_sql` = '<#assign _typeid=\"0\"/>\r\n<#if column?? && column.id?? && column.id?number gt 0>\r\n	<#assign  _typeid=\"${column.id}\">\r\n	<#assign  selfid=\"${column.id}\">\r\n</#if>\r\n<#if typeid??>\r\n	<#assign  _typeid=\"${typeid}\">\r\n</#if>\r\nselect \r\n	@rownum := @rownum + 1 AS typeindex,\r\n	id,\r\n	id as typeid,\r\n	category_title as typetitle,\r\n	<#--返回父id集合-->\r\n	category_parent_id as pids,\r\n	<#--栏目选中的样式-->\r\n	IF(<#if selfid?has_content>${selfid}<#else>${_typeid}</#if> = id ,\"${class!\'\'}\",\"\") as class,\r\n	<#--动态链接-->\r\n	<#if isDo?? && isDo>\r\n	CONCAT(\"/${modelName}/list.do?typeid=\", id) as typelink,\r\n	<#else>\r\n		<#--栏目类型为链接-->\r\n		IF(\"3\" = category_type,category_diy_url,CONCAT(category_path,\"/index.html\")) as typelink,\r\n	</#if>\r\n	category_keyword as typekeyword,\r\n	category_diy_url as typeurl,\r\n	category_flag as flag,\r\n category_parent_id as parentid,\r\ncategory_descrip as typedescrip,\r\n	( CASE category_img WHEN \'\' THEN category_img ELSE CONVERT ( JSON_UNQUOTE( JSON_EXTRACT( category_img -> \'$[0]\', \'$.path\' ) ) USING utf8 ) END ) as typelitpic ,\r\n(select count(*) from cms_category c where c.category_id=typeid and c.del=0) as childsize\r\n	from (SELECT @rownum := 0) r,cms_category  \r\n	where \r\n	cms_category.del=0 \r\n	<#--根据站点编号查询-->\r\n	<#if appId?? >\r\n		and cms_category.app_id=${appId}\r\n	</#if>\r\n	<#--栏目属性-->\r\n	  <#if flag?? >\r\n   and\r\n	(		<#list flag?split(\',\') as item>\r\n			<#if item?index gt 0> or</#if>\r\n			FIND_IN_SET(\'${item}\',category_flag)\r\n			</#list>)\r\n  </#if>\r\n\r\n	<#if noflag?? >\r\n      and\r\n			(\r\n			<#list noflag?split(\',\') as item>\r\n			<#if item?index gt 0> and</#if>\r\n			FIND_IN_SET(\'${item}\',category_flag)=0\r\n			</#list> or category_flag is null)\r\n	</#if>\r\n	<#--type默认son-->\r\n<#if !type??||!type?has_content>\r\n<#assign type=\"son\"/>\r\n</#if>\r\n<#if type?has_content>\r\n	<#--顶级栏目（单个）-->\r\n	<#if type==\"top\">\r\n	<#if _typeid != \"0\">\r\n		and id=(SELECT IF(IF(LEFT ( category_parent_id, LOCATE( \",\", category_parent_id ) - 1 ),LEFT ( category_parent_id, LOCATE( \",\", category_parent_id ) - 1 ),category_parent_id),IF(LEFT ( category_parent_id, LOCATE( \",\", category_parent_id ) - 1 ),LEFT ( category_parent_id, LOCATE( \",\", category_parent_id ) - 1 ),category_parent_id),id)FROM cms_category WHERE id = ${_typeid})\r\n		</#if>\r\n	<#elseif type==\"nav\">\r\n		and(category_id=0 or category_id is null)\r\n	<#--同级栏目（多个）-->\r\n	<#elseif type==\"level\">\r\n		and\r\n		<#if _typeid?has_content>\r\n		 category_id=(select category_id from cms_category where id=${_typeid})\r\n		<#else>\r\n		 1=1\r\n		</#if>\r\n  	<#--当前栏目（单个）-->\r\n	<#elseif type==\"self\">\r\n		 and \r\n		 <#if _typeid?has_content>\r\n		  id=${_typeid}\r\n		 <#else>\r\n		 1=1\r\n		 </#if>\r\n	<#--当前栏目的所属栏目（多个）-->\r\n	<#elseif type==\"path\">\r\n			and \r\n		 <#if _typeid?has_content>\r\n		   id in (<#if column?? && column.categoryParentId??>${column.categoryParentId},</#if>${_typeid})\r\n		 <#else>\r\n		  1=1\r\n		 </#if>\r\n	<#--子栏目（多个）-->\r\n	<#elseif type==\"son\">\r\n			and \r\n		 <#if _typeid?has_content>\r\n		  category_id=${_typeid}\r\n		 <#else>\r\n		  1=1\r\n		 </#if>\r\n		 <#--上一级栏目没有则取当前栏目（单个）-->\r\n	<#elseif type==\"parent\">\r\n			and \r\n		 <#if _typeid?has_content>\r\n		   <#if column?? && column.categoryId??>\r\n				id=${column.categoryId}\r\n			 <#else>\r\n			  id=${_typeid}\r\n			 </#if>\r\n		 <#else>\r\n		  1=1\r\n	</#if>\r\n	<#--子栏目或同级栏目（多个）-->\r\n	<#elseif type==\"sonOrLevel\">\r\n		 and \r\n		 <#if _typeid?has_content>\r\n	 	 category_id= if((SELECT count(*) FROM cms_category\r\n		 WHERE category_id=${_typeid})>0,${_typeid},(select category_id from cms_category where id=${_typeid}))\r\n		 <#else>\r\n		 1=1\r\n		 </#if>\r\n	</#if>\r\n<#else> <#--默认顶级栏目-->\r\n	 and\r\n	<#if _typeid?has_content>\r\n	 id=${_typeid}\r\n	<#else>\r\n	 (category_id=0 or category_id is null)\r\n	</#if>\r\n</#if>\r\n<#--字段排序-->\r\n  <#if orderby?? >\r\n    ORDER BY \r\n      <#if orderby==\"date\"> category_datetime\r\n      <#elseif orderby==\"sort\"> category_sort\r\n      <#else>cms_content.id</#if>\r\n <#else>\r\n    ORDER BY   id\r\n  </#if>\r\n  <#if order?? >\r\n      <#if order==\"desc\"> desc</#if>\r\n      <#if order==\"asc\"> asc</#if>\r\n  </#if>', `sort` = 1 WHERE `id` = 6;