From f3877811c55a91419efce3561fed7bc2f72e784d Mon Sep 17 00:00:00 2001
From: mtvpls <mtvpls@redaaa.ip-ddns.com>
Date: Wed, 11 Mar 2026 15:27:09 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3search=E9=A1=B5=E9=9D=A2?=
 =?UTF-8?q?=E5=83=B5=E5=B0=B8=E5=8E=86=E5=8F=B2=E8=AE=B0=E5=BD=95tag?=
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---
 src/app/search/page.tsx |  6 +++---
 src/lib/db.client.ts    | 19 ++++++++++++-------
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/src/app/search/page.tsx b/src/app/search/page.tsx
index 221d304..a10fed1 100644
--- a/src/app/search/page.tsx
+++ b/src/app/search/page.tsx
@@ -372,11 +372,11 @@ function SearchPageClient() {
     const yearsSet = new Set<string>();
 
     searchResults.forEach((item) => {
-      if (item.source && item.source_name) {
+      if (item.source && item.source_name && item.source.trim() !== '' && item.source_name.trim() !== '') {
         sourcesSet.set(item.source, item.source_name);
       }
-      if (item.title) titlesSet.add(item.title);
-      if (item.year) yearsSet.add(item.year);
+      if (item.title && item.title.trim() !== '') titlesSet.add(item.title);
+      if (item.year && item.year.trim() !== '') yearsSet.add(item.year);
     });
 
     const sourceOptions: { label: string; value: string }[] = [
diff --git a/src/lib/db.client.ts b/src/lib/db.client.ts
index 9adf9c4..5fcfcde 100644
--- a/src/lib/db.client.ts
+++ b/src/lib/db.client.ts
@@ -860,13 +860,15 @@ export async function getSearchHistory(): Promise<string[]> {
       // 返回缓存数据，同时后台异步更新
       fetchFromApi<string[]>(`/api/searchhistory`)
         .then((freshData) => {
+          // 去重处理
+          const uniqueData = Array.from(new Set(freshData));
           // 只有数据真正不同时才更新缓存
-          if (JSON.stringify(cachedData) !== JSON.stringify(freshData)) {
-            cacheManager.cacheSearchHistory(freshData);
+          if (JSON.stringify(cachedData) !== JSON.stringify(uniqueData)) {
+            cacheManager.cacheSearchHistory(uniqueData);
             // 触发数据更新事件
             window.dispatchEvent(
               new CustomEvent('searchHistoryUpdated', {
-                detail: freshData,
+                detail: uniqueData,
               })
             );
           }
@@ -881,8 +883,10 @@ export async function getSearchHistory(): Promise<string[]> {
       // 缓存为空，直接从 API 获取并缓存
       try {
         const freshData = await fetchFromApi<string[]>(`/api/searchhistory`);
-        cacheManager.cacheSearchHistory(freshData);
-        return freshData;
+        // 去重处理
+        const uniqueData = Array.from(new Set(freshData));
+        cacheManager.cacheSearchHistory(uniqueData);
+        return uniqueData;
       } catch (err) {
         console.error('获取搜索历史失败:', err);
         triggerGlobalError('获取搜索历史失败');
@@ -896,8 +900,9 @@ export async function getSearchHistory(): Promise<string[]> {
     const raw = localStorage.getItem(SEARCH_HISTORY_KEY);
     if (!raw) return [];
     const arr = JSON.parse(raw) as string[];
-    // 仅返回字符串数组
-    return Array.isArray(arr) ? arr : [];
+    // 仅返回字符串数组，并去重
+    const validArray = Array.isArray(arr) ? arr : [];
+    return Array.from(new Set(validArray));
   } catch (err) {
     console.error('读取搜索历史失败:', err);
     triggerGlobalError('读取搜索历史失败');