From 60cf5c92dd502e4f03b6af2cc7be423a93a7d90f Mon Sep 17 00:00:00 2001
From: lifenlong <pikachu1995@126.com>
Date: Tue, 3 Aug 2021 17:54:04 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3=E6=B2=A1=E6=9C=89=E5=85=B3?=
 =?UTF-8?q?=E9=94=AE=E8=AF=8D=E6=98=BE=E7=A4=BA=E9=94=99=E8=AF=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../modules/search/serviceimpl/EsGoodsSearchServiceImpl.java   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/framework/src/main/java/cn/lili/modules/search/serviceimpl/EsGoodsSearchServiceImpl.java b/framework/src/main/java/cn/lili/modules/search/serviceimpl/EsGoodsSearchServiceImpl.java
index 5a7217b7..2ad41f23 100644
--- a/framework/src/main/java/cn/lili/modules/search/serviceimpl/EsGoodsSearchServiceImpl.java
+++ b/framework/src/main/java/cn/lili/modules/search/serviceimpl/EsGoodsSearchServiceImpl.java
@@ -104,6 +104,9 @@ public class EsGoodsSearchServiceImpl implements EsGoodsSearchService {
     @Override
     public List<String> getHotWords(Integer count) {
         List<String> hotWords = new ArrayList<>();
+        if (hotWords.isEmpty() || hotWords == null) {
+            return null;
+        }
         //下表从0开始，所以count-1
         count = count - 1;
         Set<DefaultTypedTuple> set = cache.reverseRangeWithScores(CachePrefix.HOT_WORD.getPrefix(), count);