diff --git a/src/main/java/com/youlai/system/pojo/entity/SysDept.java b/src/main/java/com/youlai/system/pojo/entity/SysDept.java
index dc84e607..a54e8227 100644
--- a/src/main/java/com/youlai/system/pojo/entity/SysDept.java
+++ b/src/main/java/com/youlai/system/pojo/entity/SysDept.java
@@ -4,8 +4,8 @@ import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
-import java.io.Serializable;
-import java.util.Date;
+
+import com.youlai.system.common.base.BaseEntity;
 import lombok.Data;
 
 /**
@@ -14,7 +14,7 @@ import lombok.Data;
  */
 @TableName(value ="sys_dept")
 @Data
-public class SysDept implements Serializable {
+public class SysDept extends BaseEntity {
     /**
      * 主键
      */
@@ -51,15 +51,6 @@ public class SysDept implements Serializable {
      */
     private Integer deleted;
 
-    /**
-     * 创建时间
-     */
-    private Date createTime;
-
-    /**
-     * 更新时间
-     */
-    private Date updateTime;
 
     @TableField(exist = false)
     private static final long serialVersionUID = 1L;
diff --git a/src/main/java/com/youlai/system/pojo/entity/SysDictItem.java b/src/main/java/com/youlai/system/pojo/entity/SysDictItem.java
index 96f8d346..6e5bb20d 100644
--- a/src/main/java/com/youlai/system/pojo/entity/SysDictItem.java
+++ b/src/main/java/com/youlai/system/pojo/entity/SysDictItem.java
@@ -10,7 +10,9 @@ import lombok.Data;
 
 /**
  * 字典数据表
- * @TableName sys_dict_item
+ *
+ * @author haoxr
+ * @date 2022/12/17
  */
 @TableName(value ="sys_dict_item")
 @Data
@@ -56,15 +58,6 @@ public class SysDictItem implements Serializable {
      */
     private String remark;
 
-    /**
-     * 创建时间
-     */
-    private Date createTime;
-
-    /**
-     * 更新时间
-     */
-    private Date updateTime;
 
     @TableField(exist = false)
     private static final long serialVersionUID = 1L;
diff --git a/src/main/java/com/youlai/system/pojo/entity/SysDictType.java b/src/main/java/com/youlai/system/pojo/entity/SysDictType.java
index 2ee71d91..5f582183 100644
--- a/src/main/java/com/youlai/system/pojo/entity/SysDictType.java
+++ b/src/main/java/com/youlai/system/pojo/entity/SysDictType.java
@@ -6,15 +6,18 @@ import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import java.io.Serializable;
 import java.util.Date;
+
+import com.youlai.system.common.base.BaseEntity;
 import lombok.Data;
 
 /**
  * 字典类型表
- * @TableName sys_dict_type
+ *
+ * @author haoxr
+ * @date 2022/12/17
  */
-@TableName(value ="sys_dict_type")
 @Data
-public class SysDictType implements Serializable {
+public class SysDictType extends BaseEntity {
     /**
      * 主键 
      */
@@ -40,17 +43,4 @@ public class SysDictType implements Serializable {
      * 备注
      */
     private String remark;
-
-    /**
-     * 创建时间
-     */
-    private Date createTime;
-
-    /**
-     * 更新时间
-     */
-    private Date updateTime;
-
-    @TableField(exist = false)
-    private static final long serialVersionUID = 1L;
 }
\ No newline at end of file
diff --git a/src/main/java/com/youlai/system/pojo/entity/SysMenu.java b/src/main/java/com/youlai/system/pojo/entity/SysMenu.java
index 0b63e9c3..3b49ab86 100644
--- a/src/main/java/com/youlai/system/pojo/entity/SysMenu.java
+++ b/src/main/java/com/youlai/system/pojo/entity/SysMenu.java
@@ -5,7 +5,7 @@ import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 
 import com.youlai.system.common.base.BaseEntity;
-import com.youlai.system.enums.MenuTypeEnum;
+import com.youlai.system.common.enums.MenuTypeEnum;
 import lombok.Data;
 
 /**
diff --git a/src/main/java/com/youlai/system/pojo/entity/SysRole.java b/src/main/java/com/youlai/system/pojo/entity/SysRole.java
index 6fce20fa..3ba3a56c 100644
--- a/src/main/java/com/youlai/system/pojo/entity/SysRole.java
+++ b/src/main/java/com/youlai/system/pojo/entity/SysRole.java
@@ -1,20 +1,17 @@
 package com.youlai.system.pojo.entity;
 
 import com.baomidou.mybatisplus.annotation.IdType;
-import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
-import java.io.Serializable;
-import java.util.Date;
+import com.youlai.system.common.base.BaseEntity;
 import lombok.Data;
 
 /**
  * 角色表
- * @TableName sys_role
  */
 @TableName(value ="sys_role")
 @Data
-public class SysRole implements Serializable {
+public class SysRole extends BaseEntity {
     /**
      * 
      */
@@ -46,19 +43,6 @@ public class SysRole implements Serializable {
      */
     private Integer deleted;
 
-    /**
-     * 更新时间
-     */
-    private Date createTime;
-
-    /**
-     * 创建时间
-     */
-    private Date updateTime;
-
-    @TableField(exist = false)
-    private static final long serialVersionUID = 1L;
-
     /**
      * 数据权限
      */
diff --git a/src/main/java/com/youlai/system/pojo/entity/SysRoleMenu.java b/src/main/java/com/youlai/system/pojo/entity/SysRoleMenu.java
index 991a6178..3b664948 100644
--- a/src/main/java/com/youlai/system/pojo/entity/SysRoleMenu.java
+++ b/src/main/java/com/youlai/system/pojo/entity/SysRoleMenu.java
@@ -1,20 +1,18 @@
 package com.youlai.system.pojo.entity;
 
 import com.baomidou.mybatisplus.annotation.TableField;
-import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
-import java.io.Serializable;
 
 /**
  * 角色和菜单关联表
- * @TableName sys_role_menu
  */
-@TableName(value ="sys_role_menu")
 @Data
 @AllArgsConstructor
-public class SysRoleMenu implements Serializable {
+@NoArgsConstructor
+public class SysRoleMenu  {
     /**
      * 角色ID
      */
diff --git a/src/main/java/com/youlai/system/pojo/entity/SysUser.java b/src/main/java/com/youlai/system/pojo/entity/SysUser.java
index cab05f1b..ab801441 100644
--- a/src/main/java/com/youlai/system/pojo/entity/SysUser.java
+++ b/src/main/java/com/youlai/system/pojo/entity/SysUser.java
@@ -1,20 +1,15 @@
 package com.youlai.system.pojo.entity;
 
 import com.baomidou.mybatisplus.annotation.IdType;
-import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
-import com.baomidou.mybatisplus.annotation.TableName;
-import java.io.Serializable;
-import java.util.Date;
+import com.youlai.system.common.base.BaseEntity;
 import lombok.Data;
 
 /**
- * 用户信息表
- * @TableName sys_user
+ * 用户表
  */
-@TableName(value ="sys_user")
 @Data
-public class SysUser implements Serializable {
+public class SysUser extends BaseEntity {
     /**
      * 
      */
@@ -71,16 +66,4 @@ public class SysUser implements Serializable {
      */
     private Integer deleted;
 
-    /**
-     * 创建时间
-     */
-    private Date createTime;
-
-    /**
-     * 更新时间
-     */
-    private Date updateTime;
-
-    @TableField(exist = false)
-    private static final long serialVersionUID = 1L;
 }
\ No newline at end of file
diff --git a/src/main/java/com/youlai/system/pojo/entity/SysUserRole.java b/src/main/java/com/youlai/system/pojo/entity/SysUserRole.java
index b8ebcbeb..ff6def85 100644
--- a/src/main/java/com/youlai/system/pojo/entity/SysUserRole.java
+++ b/src/main/java/com/youlai/system/pojo/entity/SysUserRole.java
@@ -1,20 +1,21 @@
 package com.youlai.system.pojo.entity;
 
 import com.baomidou.mybatisplus.annotation.TableField;
-import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
-import java.io.Serializable;
 
 /**
  * 用户和角色关联表
- * @TableName sys_user_role
+ *
+ * @author haoxr
+ * @date 2022/12/17
  */
-@TableName(value ="sys_user_role")
 @Data
 @AllArgsConstructor
-public class SysUserRole implements Serializable {
+@NoArgsConstructor
+public class SysUserRole {
     /**
      * 用户ID
      */