From 269db8a0606f6f5a64ba7f1d30c320ff27ea0d44 Mon Sep 17 00:00:00 2001
From: litianxiang <litianxiangxtt@163.com>
Date: Fri, 29 May 2026 14:28:20 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B4=AD=E7=89=A9=E8=BD=A6=E4=B8=BA=E7=A9=BA?=
 =?UTF-8?q?=E6=97=B6=E6=8A=A5=E9=94=99?=
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---
 .../exception/GlobalExceptionHandler.java     |  2 +-
 .../service/impl/ListingMallServiceImpl.java  | 28 +++++++++++--------
 2 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/src/main/java/com/aida/seller/common/exception/GlobalExceptionHandler.java b/src/main/java/com/aida/seller/common/exception/GlobalExceptionHandler.java
index 693d1cb..3cafd98 100644
--- a/src/main/java/com/aida/seller/common/exception/GlobalExceptionHandler.java
+++ b/src/main/java/com/aida/seller/common/exception/GlobalExceptionHandler.java
@@ -54,7 +54,7 @@ public class GlobalExceptionHandler {
     @ExceptionHandler(Exception.class)
     public Response<?> handleException(Exception e) {
         log.error("系统异常: ", e);
-        return Response.error("系统繁忙，请稍后再试");
+        return Response.error(e.getMessage());
     }
     /**
      * 处理MinIO异常
diff --git a/src/main/java/com/aida/seller/module/listing/service/impl/ListingMallServiceImpl.java b/src/main/java/com/aida/seller/module/listing/service/impl/ListingMallServiceImpl.java
index c1a8267..e5b8367 100644
--- a/src/main/java/com/aida/seller/module/listing/service/impl/ListingMallServiceImpl.java
+++ b/src/main/java/com/aida/seller/module/listing/service/impl/ListingMallServiceImpl.java
@@ -248,18 +248,22 @@ public class ListingMallServiceImpl extends ServiceImpl<ListingMallMapper, Listi
                 .distinct()
                 .toList();
 
-        Map<Long, DesignerEntity> designerMap = designerMapper.selectList(
-                        new LambdaQueryWrapper<DesignerEntity>()
-                                .select(DesignerEntity::getUserId, DesignerEntity::getShopName)
-                                .in(DesignerEntity::getUserId, sellerIds)
-                                .eq(DesignerEntity::getDeleted, 0))
-                .stream()
-                .collect(Collectors.toMap(
-                        DesignerEntity::getUserId,
-                        designer -> designer,
-                        // 如果 sellerIds 中有重复的 userId，保留第一个
-                        (existing, replacement) -> existing
-                ));
+        Map<Long, DesignerEntity> designerMap;
+        if (CollectionUtils.isEmpty(sellerIds)) {
+            designerMap = Map.of();
+        } else {
+            designerMap = designerMapper.selectList(
+                            new LambdaQueryWrapper<DesignerEntity>()
+                                    .select(DesignerEntity::getUserId, DesignerEntity::getShopName)
+                                    .in(DesignerEntity::getUserId, sellerIds)
+                                    .eq(DesignerEntity::getDeleted, 0))
+                    .stream()
+                    .collect(Collectors.toMap(
+                            DesignerEntity::getUserId,
+                            designer -> designer,
+                            (existing, replacement) -> existing
+                    ));
+        }
 
         List<ListingMallVO> listingMallVOS = listingIds.stream()
                 .filter(entityMap::containsKey)