diff --git a/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
index 984f89c..000166e 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
@@ -82,7 +82,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 	
 	<select id="checkDeptNameUnique" resultMap="SysDeptResult">
 	    <include refid="selectDeptVo"/>
-		where dept_name=#{deptName} and parent_id = #{parentId} limit 1
+		where dept_name=#{deptName} and parent_id = #{parentId} and del_flag = '0' limit 1
 	</select>
     
     <insert id="insertDept" parameterType="SysDept">
diff --git a/ruoyi-system/src/main/resources/mapper/system/SysRoleMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysRoleMapper.xml
index a8d3ede..12e7f78 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysRoleMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysRoleMapper.xml
@@ -85,12 +85,12 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 	
 	<select id="checkRoleNameUnique" parameterType="String" resultMap="SysRoleResult">
 		<include refid="selectRoleVo"/>
-		 where r.role_name=#{roleName} limit 1
+		 where r.role_name=#{roleName} and r.del_flag = '0' limit 1
 	</select>
 	
 	<select id="checkRoleKeyUnique" parameterType="String" resultMap="SysRoleResult">
 		<include refid="selectRoleVo"/>
-		 where r.role_key=#{roleKey} limit 1
+		 where r.role_key=#{roleKey} and r.del_flag = '0' limit 1
 	</select>
 	
  	<insert id="insertRole" parameterType="SysRole" useGeneratedKeys="true" keyProperty="roleId">
@@ -139,7 +139,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 	</update>
 	
 	<delete id="deleteRoleById" parameterType="Long">
-		update sys_role set del_flag = '2' where role_id = #{roleId}
+ 		update sys_role set del_flag = '2' where role_id = #{roleId}
  	</delete>
  	
  	<delete id="deleteRoleByIds" parameterType="Long">
diff --git a/ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml
index 371c429..9f1839c 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml
@@ -122,7 +122,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 	
 	<select id="selectUserByUserName" parameterType="String" resultMap="SysUserResult">
 	    <include refid="selectUserVo"/>
-		where u.user_name = #{userName}
+		where u.user_name = #{userName} and u.del_flag = '0'
 	</select>
 	
 	<select id="selectUserById" parameterType="Long" resultMap="SysUserResult">
@@ -131,15 +131,15 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 	</select>
 	
 	<select id="checkUserNameUnique" parameterType="String" resultType="int">
-		select count(1) from sys_user where user_name = #{userName} limit 1
+		select count(1) from sys_user where user_name = #{userName} and del_flag = '0' limit 1
 	</select>
 	
 	<select id="checkPhoneUnique" parameterType="String" resultMap="SysUserResult">
-		select user_id, phonenumber from sys_user where phonenumber = #{phonenumber} limit 1
+		select user_id, phonenumber from sys_user where phonenumber = #{phonenumber} and del_flag = '0' limit 1
 	</select>
 	
 	<select id="checkEmailUnique" parameterType="String" resultMap="SysUserResult">
-		select user_id, email from sys_user where email = #{email} limit 1
+		select user_id, email from sys_user where email = #{email} and del_flag = '0' limit 1
 	</select>
 	
 	<insert id="insertUser" parameterType="SysUser" useGeneratedKeys="true" keyProperty="userId">
@@ -208,7 +208,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 	</update>
 	
 	<delete id="deleteUserById" parameterType="Long">
-		update sys_user set del_flag = '2' where user_id = #{userId}
+ 		update sys_user set del_flag = '2' where user_id = #{userId}
  	</delete>
  	
  	<delete id="deleteUserByIds" parameterType="Long">