diff --git a/src/main/resources/mapper/sys/SysMenuMapper.xml b/src/main/resources/mapper/sys/SysMenuMapper.xml
index 02c79942..3e866a8a 100644
--- a/src/main/resources/mapper/sys/SysMenuMapper.xml
+++ b/src/main/resources/mapper/sys/SysMenuMapper.xml
@@ -23,7 +23,7 @@
         sys_menu.`hide_flag`,
         sys_menu.`del_flag`    </sql>
     <select id="searchDefaultMenuIds" resultType="java.lang.String">
-        SELECT menu_id FROM `sys_role_menu` srm where srm.`del_flag`=b'0' and srm.role_id in
+        SELECT menu_id FROM `sys_role_menu` srm where srm.`del_flag`='0' and srm.role_id in
         <foreach collection="roleIds" item ="roleId" index="i" open="(" close=")" separator=",">
             #{roleId}
         </foreach>
diff --git a/src/main/resources/mapper/sys/SysNoticeUsermapper.xml b/src/main/resources/mapper/sys/SysNoticeUsermapper.xml
index 2742afff..ea94e954 100644
--- a/src/main/resources/mapper/sys/SysNoticeUsermapper.xml
+++ b/src/main/resources/mapper/sys/SysNoticeUsermapper.xml
@@ -42,7 +42,7 @@
         LEFT JOIN `sys_notice` `sys_notice`
         ON `sys_notice_user`.`notice_id` = `sys_notice`.`id`
         <where>
-            and `sys_notice_user`.`del_flag` = b'0' and `sys_notice`.`del_flag` = b'0'
+            and `sys_notice_user`.`del_flag` = '0' and `sys_notice`.`del_flag` = '0'
 			<if test="query.id != null and query.id != ''"> and `sys_notice_user`.`id` = #{query.id}</if>
 			<if test="query.noticeId != null and query.noticeId != ''"> and `sys_notice_user`.`notice_id` = #{query.noticeId}</if>
 			<if test="query.userId != null and query.userId != ''"> and `sys_notice_user`.`user_id` = #{query.userId}</if>
diff --git a/src/main/resources/mapper/sys/SysOperationLogMapper.xml b/src/main/resources/mapper/sys/SysOperationLogMapper.xml
index 4e6d6df9..103c3138 100644
--- a/src/main/resources/mapper/sys/SysOperationLogMapper.xml
+++ b/src/main/resources/mapper/sys/SysOperationLogMapper.xml
@@ -66,7 +66,7 @@
         <include refid="sysOperationLogSql"/>
         FROM sys_operation_log
         <where>
-            and sys_operation_log.del_flag = b'0'
+            and sys_operation_log.del_flag = '0'
 			<if test="title != null and title != ''"> and title = #{title}</if>
 			<if test="bizType != null and bizType != ''"> and biz_type = #{bizType}</if>
 			<if test="interType != null and interType != ''"> and inter_type = #{interType}</if>
diff --git a/src/main/resources/mapper/sys/SysUserMapper.xml b/src/main/resources/mapper/sys/SysUserMapper.xml
index e38b646f..76ffb0bf 100644
--- a/src/main/resources/mapper/sys/SysUserMapper.xml
+++ b/src/main/resources/mapper/sys/SysUserMapper.xml
@@ -150,7 +150,7 @@
                 </foreach>
             </if>
             <if test="query.roleIds!=null and query.roleIds.size > 0">
-                and sys_user_role.del_flag = b'0' and sys_user_role.role_id in
+                and sys_user_role.del_flag = '0' and sys_user_role.role_id in
                 <foreach collection="query.roleIds" item ="roleId" index="i" open="(" close=")" separator=",">
                     #{roleId}
                 </foreach>