diff --git a/sql/mysql/member_level.sql b/sql/mysql/member_level.sql
index cdb8618e5..dfab05eb9 100644
--- a/sql/mysql/member_level.sql
+++ b/sql/mysql/member_level.sql
@@ -92,3 +92,7 @@ INSERT INTO system_menu(name, permission, type, sort, parent_id, path, icon, com
 VALUES ('会员等级更新', 'member:level:update', 3, 3, @parentId, '', '', '', 0);
 INSERT INTO system_menu(name, permission, type, sort, parent_id, path, icon, component, status)
 VALUES ('会员等级删除', 'member:level:delete', 3, 4, @parentId, '', '', '', 0);
+
+-- 会员用户管理： 增加按钮权限
+INSERT INTO system_menu(name, permission, type, sort, parent_id, path, icon, component, status)
+VALUES ('用户等级修改', 'member:user:update-level', 3, 5, 2309, '', '', '', 0);
\ No newline at end of file
diff --git a/yudao-module-member/yudao-module-member-api/src/main/java/cn/iocoder/yudao/module/member/enums/ErrorCodeConstants.java b/yudao-module-member/yudao-module-member-api/src/main/java/cn/iocoder/yudao/module/member/enums/ErrorCodeConstants.java
index 3959c616f..c2278b136 100644
--- a/yudao-module-member/yudao-module-member-api/src/main/java/cn/iocoder/yudao/module/member/enums/ErrorCodeConstants.java
+++ b/yudao-module-member/yudao-module-member-api/src/main/java/cn/iocoder/yudao/module/member/enums/ErrorCodeConstants.java
@@ -50,7 +50,6 @@ public interface ErrorCodeConstants {
 
     ErrorCode LEVEL_LOG_NOT_EXISTS = new ErrorCode(1004011100, "用户等级记录不存在");
     ErrorCode EXPERIENCE_LOG_NOT_EXISTS = new ErrorCode(1004011200, "用户经验记录不存在");
-    ErrorCode LEVEL_REASON_NOT_EXISTS = new ErrorCode(1004011300, "用户等级调整原因不能为空");
 
     //========== 用户分组 1004012000 ==========
     ErrorCode GROUP_NOT_EXISTS = new ErrorCode(1004012000, "用户分组不存在");
diff --git a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/MemberUserController.java b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/MemberUserController.java
index a12d114b2..ccb9d5da5 100644
--- a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/MemberUserController.java
+++ b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/MemberUserController.java
@@ -5,6 +5,7 @@ import cn.iocoder.yudao.framework.common.pojo.CommonResult;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.module.member.controller.admin.user.vo.MemberUserPageReqVO;
 import cn.iocoder.yudao.module.member.controller.admin.user.vo.MemberUserRespVO;
+import cn.iocoder.yudao.module.member.controller.admin.user.vo.MemberUserUpdateLevelReqVO;
 import cn.iocoder.yudao.module.member.controller.admin.user.vo.MemberUserUpdateReqVO;
 import cn.iocoder.yudao.module.member.convert.user.MemberUserConvert;
 import cn.iocoder.yudao.module.member.dal.dataobject.group.MemberGroupDO;
@@ -52,6 +53,14 @@ public class MemberUserController {
         return success(true);
     }
 
+    @PutMapping("/update-level")
+    @Operation(summary = "更新会员用户等级")
+    @PreAuthorize("@ss.hasPermission('member:user:update-level')")
+    public CommonResult<Boolean> updateUserLevel(@Valid @RequestBody MemberUserUpdateLevelReqVO updateReqVO) {
+        memberLevelService.updateUserLevel(updateReqVO);
+        return success(true);
+    }
+
     @GetMapping("/get")
     @Operation(summary = "获得会员用户")
     @Parameter(name = "id", description = "编号", required = true, example = "1024")
diff --git a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/vo/MemberUserUpdateLevelReqVO.java b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/vo/MemberUserUpdateLevelReqVO.java
new file mode 100644
index 000000000..a2ca91135
--- /dev/null
+++ b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/vo/MemberUserUpdateLevelReqVO.java
@@ -0,0 +1,31 @@
+package cn.iocoder.yudao.module.member.controller.admin.user.vo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+
+@Schema(description = "管理后台 - 会员用户 修改等级 Request VO")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+public class MemberUserUpdateLevelReqVO extends MemberUserBaseVO {
+
+    @Schema(description = "用户编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "23788")
+    @NotNull(message = "用户编号不能为空")
+    private Long id;
+
+    /**
+     * 取消用户等级时，值为空
+     */
+    @Schema(description = "用户等级编号", example = "1")
+    private Long levelId;
+
+    @Schema(description = "修改原因", requiredMode = Schema.RequiredMode.REQUIRED, example = "推广需要")
+    @NotBlank(message = "修改原因不能为空")
+    private String reason;
+
+}
diff --git a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/vo/MemberUserUpdateReqVO.java b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/vo/MemberUserUpdateReqVO.java
index f4920aa1b..c6a92758d 100644
--- a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/vo/MemberUserUpdateReqVO.java
+++ b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/vo/MemberUserUpdateReqVO.java
@@ -17,7 +17,4 @@ public class MemberUserUpdateReqVO extends MemberUserBaseVO {
     @NotNull(message = "编号不能为空")
     private Long id;
 
-    @Schema(description = "会员级别修改原因", requiredMode = Schema.RequiredMode.REQUIRED, example = "推广需要")
-    private String levelReason;
-
 }
diff --git a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/dal/mysql/user/MemberUserMapper.java b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/dal/mysql/user/MemberUserMapper.java
index d85b5d0e5..630c7a989 100644
--- a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/dal/mysql/user/MemberUserMapper.java
+++ b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/dal/mysql/user/MemberUserMapper.java
@@ -50,14 +50,13 @@ public interface MemberUserMapper extends BaseMapperX<MemberUserDO> {
                 .orderByDesc(MemberUserDO::getId));
     }
 
-    // TODO @疯狂：命名可以改成 updateUserLevelToNull；db 侧的操作，尽量无业务含义，更多是 select、update、insert 操作
     /**
      * 取消会员的等级
      *
      * @param userId 会员编号
      * @return 受影响的行数
      */
-    default int cancelUserLevel(Long userId) {
+    default int updateUserLevelToNull(Long userId) {
         return update(null, new LambdaUpdateWrapper<MemberUserDO>()
                 .eq(MemberUserDO::getId, userId)
                 .set(MemberUserDO::getExperience, 0)
diff --git a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/level/MemberLevelService.java b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/level/MemberLevelService.java
index a9f876071..e604435a3 100644
--- a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/level/MemberLevelService.java
+++ b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/level/MemberLevelService.java
@@ -5,11 +5,10 @@ import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.module.member.controller.admin.level.vo.level.MemberLevelCreateReqVO;
 import cn.iocoder.yudao.module.member.controller.admin.level.vo.level.MemberLevelPageReqVO;
 import cn.iocoder.yudao.module.member.controller.admin.level.vo.level.MemberLevelUpdateReqVO;
+import cn.iocoder.yudao.module.member.controller.admin.user.vo.MemberUserUpdateLevelReqVO;
 import cn.iocoder.yudao.module.member.dal.dataobject.level.MemberLevelDO;
-import cn.iocoder.yudao.module.member.dal.dataobject.user.MemberUserDO;
 import cn.iocoder.yudao.module.member.enums.MemberExperienceBizTypeEnum;
 
-import javax.annotation.Nullable;
 import javax.validation.Valid;
 import java.util.Collection;
 import java.util.List;
@@ -89,11 +88,9 @@ public interface MemberLevelService {
     /**
      * 修改会员的等级
      *
-     * @param user        会员
-     * @param levelId     要修改的等级编号，编号为空时，代表取消会员的等级
-     * @param levelReason 修改原因
+     * @param updateReqVO 修改参数
      */
-    void updateUserLevel(MemberUserDO user, @Nullable Long levelId, String levelReason);
+    void updateUserLevel(MemberUserUpdateLevelReqVO updateReqVO);
 
     /**
      * 增加会员经验
diff --git a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/level/MemberLevelServiceImpl.java b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/level/MemberLevelServiceImpl.java
index 947d100f9..71678d470 100644
--- a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/level/MemberLevelServiceImpl.java
+++ b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/level/MemberLevelServiceImpl.java
@@ -4,11 +4,11 @@ import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.util.NumberUtil;
 import cn.hutool.core.util.ObjUtil;
 import cn.hutool.core.util.ObjectUtil;
-import cn.hutool.core.util.StrUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.module.member.controller.admin.level.vo.level.MemberLevelCreateReqVO;
 import cn.iocoder.yudao.module.member.controller.admin.level.vo.level.MemberLevelPageReqVO;
 import cn.iocoder.yudao.module.member.controller.admin.level.vo.level.MemberLevelUpdateReqVO;
+import cn.iocoder.yudao.module.member.controller.admin.user.vo.MemberUserUpdateLevelReqVO;
 import cn.iocoder.yudao.module.member.convert.level.MemberLevelConvert;
 import cn.iocoder.yudao.module.member.dal.dataobject.level.MemberLevelDO;
 import cn.iocoder.yudao.module.member.dal.dataobject.user.MemberUserDO;
@@ -180,41 +180,42 @@ public class MemberLevelServiceImpl implements MemberLevelService {
 
     @Transactional(rollbackFor = Exception.class)
     @Override
-    public void updateUserLevel(MemberUserDO user, Long levelId, String reason) {
+    public void updateUserLevel(MemberUserUpdateLevelReqVO updateReqVO) {
+        MemberUserDO user = memberUserMapper.selectById(updateReqVO.getId());
+        if (user == null) {
+            throw exception(USER_NOT_EXISTS);
+        }
+
         // 未调整的情况1
-        if (user.getLevelId() == null && levelId == null) {
+        if (user.getLevelId() == null && updateReqVO.getLevelId() == null) {
             return;
         }
         // 未调整的情况2
-        if (ObjUtil.equal(user.getLevelId(), levelId)) {
+        if (ObjUtil.equal(user.getLevelId(), updateReqVO.getLevelId())) {
             return;
         }
 
-        // 需要后台用户填写为什么调整会员的等级
-        if (StrUtil.isBlank(reason)) {
-            throw exception(LEVEL_REASON_NOT_EXISTS);
-        }
-
         int experience;
         int totalExperience = 0;
         // 记录等级变动
-        if (levelId == null) {
+        if (updateReqVO.getLevelId() == null) {
+            // 取消用户等级时，为扣减经验
             experience = -user.getExperience();
 
             // 取消了会员的等级
-            memberLevelLogService.createCancelLog(user.getId(), reason);
-            memberUserMapper.cancelUserLevel(user.getId());
+            memberLevelLogService.createCancelLog(user.getId(), updateReqVO.getReason());
+            memberUserMapper.updateUserLevelToNull(user.getId());
         } else {
-            MemberLevelDO level = validateLevelExists(levelId);
+            MemberLevelDO level = validateLevelExists(updateReqVO.getLevelId());
             // 变动经验值 = 等级的升级经验 - 会员当前的经验；正数为增加经验，负数为扣减经验
             experience = level.getExperience() - user.getExperience();
             // 会员当前的经验 = 等级的升级经验
             totalExperience = level.getExperience();
 
-            memberLevelLogService.createAdjustLog(user, level, experience, reason);
+            memberLevelLogService.createAdjustLog(user, level, experience, updateReqVO.getReason());
 
             // 更新会员表上的等级编号、经验值
-            updateUserLevelIdAndExperience(user.getId(), levelId, totalExperience);
+            updateUserLevelIdAndExperience(user.getId(), updateReqVO.getLevelId(), totalExperience);
         }
 
 
diff --git a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/user/MemberUserServiceImpl.java b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/user/MemberUserServiceImpl.java
index 880aa792b..421cf5b90 100644
--- a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/user/MemberUserServiceImpl.java
+++ b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/user/MemberUserServiceImpl.java
@@ -15,7 +15,6 @@ import cn.iocoder.yudao.module.member.convert.auth.AuthConvert;
 import cn.iocoder.yudao.module.member.convert.user.MemberUserConvert;
 import cn.iocoder.yudao.module.member.dal.dataobject.user.MemberUserDO;
 import cn.iocoder.yudao.module.member.dal.mysql.user.MemberUserMapper;
-import cn.iocoder.yudao.module.member.service.level.MemberLevelService;
 import cn.iocoder.yudao.module.system.api.sms.SmsCodeApi;
 import cn.iocoder.yudao.module.system.api.sms.dto.code.SmsCodeUseReqDTO;
 import cn.iocoder.yudao.module.system.enums.sms.SmsSceneEnum;
@@ -56,9 +55,6 @@ public class MemberUserServiceImpl implements MemberUserService {
     @Resource
     private PasswordEncoder passwordEncoder;
 
-    @Resource
-    private MemberLevelService memberLevelService;
-
     @Override
     public MemberUserDO getUserByMobile(String mobile) {
         return memberUserMapper.selectByMobile(mobile);
@@ -195,10 +191,6 @@ public class MemberUserServiceImpl implements MemberUserService {
         // 更新
         MemberUserDO updateObj = MemberUserConvert.INSTANCE.convert(updateReqVO);
         memberUserMapper.updateById(updateObj);
-
-        // 会员级别修改
-        // TODO @疯狂：修改用户等级，要不要单独一个前端操作 + 接口；因为它是个相对严肃独立的动作
-        memberLevelService.updateUserLevel(user, updateReqVO.getLevelId(), updateReqVO.getLevelReason());
     }
 
     @VisibleForTesting