fix(entity): 修复 null/零值/空字符串字段无法清空更新的问题

- 给 avatar/mobile/email/remark/targetUserIds/icon/redirect/perm/component/externalUrl/routeName/tagType 字段加 updateStrategy=ALWAYS

- 去除 UserSocialMapper.xml 中 avatar 列冗余的 AS 别名

src/main/java/com/youlai/boot/system/model/entity/Config.java

@@ -36,6 +36,7 @@ public class Config extends BaseEntity {
     /**
      * 描述、备注
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String remark;
 
     /**

src/main/java/com/youlai/boot/system/model/entity/Dict.java

@@ -1,6 +1,6 @@
 package com.youlai.boot.system.model.entity;
 
-import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.annotation.*;
 import com.youlai.boot.common.base.BaseEntity;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
@@ -35,6 +35,7 @@ public class Dict extends BaseEntity {
     /**
      * 备注
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String remark;
 
     /**

src/main/java/com/youlai/boot/system/model/entity/DictItem.java

@@ -1,6 +1,6 @@
 package com.youlai.boot.system.model.entity;
 
-import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.annotation.*;
 import com.youlai.boot.common.base.BaseEntity;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
@@ -44,11 +44,13 @@ public class DictItem extends BaseEntity {
     /**
      * 备注
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String remark;
 
     /**
      * 标签类型
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String tagType;
 
     /**

src/main/java/com/youlai/boot/system/model/entity/Menu.java

@@ -36,6 +36,7 @@ public class Menu extends BaseEntity {
     /**
      * 路由名称（Vue Router 中定义的路由名称）
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String routeName;
 
     /**
@@ -46,16 +47,19 @@ public class Menu extends BaseEntity {
     /**
      * 组件路径(vue页面完整路径，省略.vue后缀)
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String component;
 
     /**
      * 外链地址
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String externalUrl;
 
     /**
      * 权限标识
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String perm;
 
     /**
@@ -71,11 +75,13 @@ public class Menu extends BaseEntity {
     /**
      * 菜单图标
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String icon;
 
     /**
      * 跳转路径
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String redirect;
 
     /**

src/main/java/com/youlai/boot/system/model/entity/Notice.java

@@ -1,7 +1,6 @@
 package com.youlai.boot.system.model.entity;
 
-import com.baomidou.mybatisplus.annotation.TableField;
-import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.annotation.*;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.youlai.boot.common.base.BaseEntity;
 import lombok.Data;
@@ -55,6 +54,7 @@ public class Notice extends BaseEntity {
     /**
      * 目标用户ID集合
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String targetUserIds;
 
     /**

src/main/java/com/youlai/boot/system/model/entity/SysUser.java

@@ -1,6 +1,6 @@
 package com.youlai.boot.system.model.entity;
 
-import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.annotation.*;
 import com.youlai.boot.common.base.BaseEntity;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
@@ -41,11 +41,13 @@ public class SysUser extends BaseEntity {
     /**
      * 用户头像
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String avatar;
 
     /**
      * 联系方式
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String mobile;
 
     /**
@@ -56,6 +58,7 @@ public class SysUser extends BaseEntity {
     /**
      * 用户邮箱
      */
+    @TableField(updateStrategy = FieldStrategy.ALWAYS)
     private String email;
 
     /**

src/main/resources/mapper/system/UserSocialMapper.xml

@@ -27,7 +27,7 @@
             u.dept_id,
             u.password,
             u.status,
-            u.avatar AS avatar,
+            u.avatar,
             r.code
         FROM
             sys_user u