From a9aa698e2ab0b53fee09252aa095093342df78d6 Mon Sep 17 00:00:00 2001
From: wuchunlei <mailcauchy@gmail.com>
Date: Tue, 24 Dec 2024 16:48:49 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E6=8E=A8=E8=8D=90=E5=9B=BE?=
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---
 .../com/peanut/modules/bookAbroad/controller/HomeController.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/java/com/peanut/modules/bookAbroad/controller/HomeController.java b/src/main/java/com/peanut/modules/bookAbroad/controller/HomeController.java
index 77a2013..1d83124 100644
--- a/src/main/java/com/peanut/modules/bookAbroad/controller/HomeController.java
+++ b/src/main/java/com/peanut/modules/bookAbroad/controller/HomeController.java
@@ -78,6 +78,7 @@ public class HomeController {
         //查询已购买图书
         LambdaQueryWrapper<UserEbookBuyEntity> wrapper = new LambdaQueryWrapper<>();
         wrapper.eq(UserEbookBuyEntity::getUserId,ShiroUtils.getUId());
+        wrapper.select(UserEbookBuyEntity::getBookId);
         wrapper.groupBy(UserEbookBuyEntity::getBookId);
         Set<Integer> bookIds = userEbookBuyService.getBaseMapper().selectList(wrapper).stream()
                 .map(UserEbookBuyEntity::getBookId).collect(Collectors.toSet());