diff --git a/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/coupon/AppCouponTemplateController.java b/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/coupon/AppCouponTemplateController.java
index bc146dffc..16ddb7a5b 100755
--- a/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/coupon/AppCouponTemplateController.java
+++ b/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/coupon/AppCouponTemplateController.java
@@ -96,13 +96,13 @@ public class AppCouponTemplateController {
      */
     private Long getProductScopeValue(Integer productScope, Long spuId) {
         // 通用券：没有商品范围
-        if (productScope == null || ObjectUtils.equalsAny(productScope, PromotionProductScopeEnum.ALL.getScope(), null)) {
+        if (ObjectUtils.equalsAny(productScope, PromotionProductScopeEnum.ALL.getScope(), null)) {
             return null;
         }
         // 品类券：查询商品的品类编号
         if (Objects.equals(productScope, PromotionProductScopeEnum.CATEGORY.getScope()) && spuId != null) {
-            return Optional.ofNullable(productSpuApi.getSpu(spuId))
-                    .map(ProductSpuRespDTO::getCategoryId).orElse(null);
+            ProductSpuRespDTO spu = productSpuApi.getSpu(spuId);
+            return spu != null ? spu.getCategoryId() : null;
         }
         // 商品卷：直接返回
         return spuId;
diff --git a/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/combination/CombinationActivityServiceImpl.java b/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/combination/CombinationActivityServiceImpl.java
index 5216ea3c3..29dbb5c43 100644
--- a/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/combination/CombinationActivityServiceImpl.java
+++ b/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/combination/CombinationActivityServiceImpl.java
@@ -108,8 +108,8 @@ public class CombinationActivityServiceImpl implements CombinationActivityServic
         }
 
         // 2. 校验商品 sku 都存在
-        Map<Long, ProductSkuRespDTO> skuMap = convertMap(productSkuApi.getSkuListBySpuId(singletonList(spuId)),
-                ProductSkuRespDTO::getId);
+        List<ProductSkuRespDTO> skus = productSkuApi.getSkuListBySpuId(singletonList(spuId));
+        Map<Long, ProductSkuRespDTO> skuMap = convertMap(skus, ProductSkuRespDTO::getId);
         products.forEach(product -> {
             if (!skuMap.containsKey(product.getSkuId())) {
                 throw exception(SKU_NOT_EXISTS);
diff --git a/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/coupon/CouponServiceImpl.java b/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/coupon/CouponServiceImpl.java
index bed4d25a3..f5baf50cb 100644
--- a/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/coupon/CouponServiceImpl.java
+++ b/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/coupon/CouponServiceImpl.java
@@ -7,7 +7,6 @@ import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.extra.spring.SpringUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
 import cn.iocoder.yudao.framework.common.util.date.LocalDateTimeUtils;
 import cn.iocoder.yudao.module.member.api.user.MemberUserApi;
 import cn.iocoder.yudao.module.member.api.user.dto.MemberUserRespDTO;
@@ -80,12 +79,11 @@ public class CouponServiceImpl implements CouponService {
     public PageResult<CouponDO> getCouponPage(CouponPageReqVO pageReqVO) {
         // 获得用户编号
         if (StrUtil.isNotEmpty(pageReqVO.getNickname())) {
-            Set<Long> userIds = CollectionUtils.convertSet(memberUserApi.getUserListByNickname(pageReqVO.getNickname()),
-                    MemberUserRespDTO::getId);
-            if (CollUtil.isEmpty(userIds)) {
+            List<MemberUserRespDTO> users = memberUserApi.getUserListByNickname(pageReqVO.getNickname());
+            if (CollUtil.isEmpty(users)) {
                 return PageResult.empty();
             }
-            pageReqVO.setUserIds(userIds);
+            pageReqVO.setUserIds(convertSet(users, MemberUserRespDTO::getId));
         }
         // 分页查询
         return couponMapper.selectPage(pageReqVO);
diff --git a/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/seckill/SeckillActivityServiceImpl.java b/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/seckill/SeckillActivityServiceImpl.java
index 841118a6c..002420c66 100644
--- a/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/seckill/SeckillActivityServiceImpl.java
+++ b/yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/seckill/SeckillActivityServiceImpl.java
@@ -123,8 +123,8 @@ public class SeckillActivityServiceImpl implements SeckillActivityService {
         }
 
         // 2. 校验商品 sku 都存在
-        Map<Long, ProductSkuRespDTO> skuMap = convertMap(productSkuApi.getSkuListBySpuId(singletonList(spuId)),
-                ProductSkuRespDTO::getId);
+        List<ProductSkuRespDTO> skus = productSkuApi.getSkuListBySpuId(singletonList(spuId));
+        Map<Long, ProductSkuRespDTO> skuMap = convertMap(skus, ProductSkuRespDTO::getId);
         products.forEach(product -> {
             if (!skuMap.containsKey(product.getSkuId())) {
                 throw exception(SKU_NOT_EXISTS);
diff --git a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/brokerage/BrokerageUserController.java b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/brokerage/BrokerageUserController.java
index 7ec3d8f0f..622ff87ea 100644
--- a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/brokerage/BrokerageUserController.java
+++ b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/admin/brokerage/BrokerageUserController.java
@@ -77,6 +77,7 @@ public class BrokerageUserController {
     @PreAuthorize("@ss.hasPermission('trade:brokerage-user:query')")
     public CommonResult<BrokerageUserRespVO> getBrokerageUser(@RequestParam("id") Long id) {
         BrokerageUserDO brokerageUser = brokerageUserService.getBrokerageUser(id);
+        // TODO @疯狂：是不是搞成一个统一的 convert？
         BrokerageUserRespVO respVO = BrokerageUserConvert.INSTANCE.convert(brokerageUser);
         return success(BrokerageUserConvert.INSTANCE.copyTo(memberUserApi.getUser(id), respVO));
     }
diff --git a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/brokerage/BrokerageUserServiceImpl.java b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/brokerage/BrokerageUserServiceImpl.java
index ac27808cf..19c7d409f 100644
--- a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/brokerage/BrokerageUserServiceImpl.java
+++ b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/brokerage/BrokerageUserServiceImpl.java
@@ -232,7 +232,8 @@ public class BrokerageUserServiceImpl implements BrokerageUserService {
             return PageResult.empty();
         }
         // 1.2 根据昵称过滤下级用户
-        Map<Long, MemberUserRespDTO> userMap = convertMapByFilter(memberUserApi.getUserList(childIds),
+        List<MemberUserRespDTO> users = memberUserApi.getUserList(childIds);
+        Map<Long, MemberUserRespDTO> userMap = convertMapByFilter(users,
                 user -> StrUtil.contains(user.getNickname(), pageReqVO.getNickname()),
                 MemberUserRespDTO::getId);
         if (CollUtil.isEmpty(userMap)) {
diff --git a/yudao-module-member/yudao-module-member-api/src/main/java/cn/iocoder/yudao/module/member/api/user/MemberUserApi.java b/yudao-module-member/yudao-module-member-api/src/main/java/cn/iocoder/yudao/module/member/api/user/MemberUserApi.java
index 3d2130e18..c9fb80100 100644
--- a/yudao-module-member/yudao-module-member-api/src/main/java/cn/iocoder/yudao/module/member/api/user/MemberUserApi.java
+++ b/yudao-module-member/yudao-module-member-api/src/main/java/cn/iocoder/yudao/module/member/api/user/MemberUserApi.java
@@ -38,7 +38,8 @@ public interface MemberUserApi {
      * @return 会员用户 Map
      */
     default Map<Long, MemberUserRespDTO> getUserMap(Collection<Long> ids) {
-        return convertMap(getUserList(ids), MemberUserRespDTO::getId);
+        List<MemberUserRespDTO> list = getUserList(ids);
+        return convertMap(list, MemberUserRespDTO::getId);
     }
 
     /**