From d9e51448dc85e263cfb3acf20ce45979bdda7ddd Mon Sep 17 00:00:00 2001
From: Liang Ding <d@b3log.org>
Date: Wed, 16 Nov 2022 10:33:30 +0800
Subject: [PATCH] =?UTF-8?q?:art:=20=E8=99=9A=E6=8B=9F=E5=BC=95=E7=94=A8?=
 =?UTF-8?q?=E6=90=9C=E7=B4=A2=E5=85=B3=E9=94=AE=E5=AD=97=E6=9C=80=E5=A4=9A?=
 =?UTF-8?q?=E6=94=AF=E6=8C=81=20`512`=20=E4=B8=AA=20Fix=20https://github.c?=
 =?UTF-8?q?om/siyuan-note/siyuan/issues/6603?=
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---
 kernel/model/virutalref.go | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/kernel/model/virutalref.go b/kernel/model/virutalref.go
index 91c3930bd..7fd370eec 100644
--- a/kernel/model/virutalref.go
+++ b/kernel/model/virutalref.go
@@ -109,20 +109,17 @@ func getVirtualRefKeywords(docName string) (ret []string) {
 	// 虚拟引用排除当前文档名 https://github.com/siyuan-note/siyuan/issues/4537
 	ret = gulu.Str.ExcludeElem(ret, []string{docName})
 	ret = prepareMarkKeywords(ret)
+	// 虚拟引用搜索关键字最多支持 `512` 个 https://github.com/siyuan-note/siyuan/issues/6603
+	if 512 < len(ret) {
+		ret = ret[:512]
+	}
 	return
 }
 
 func prepareMarkKeywords(keywords []string) (ret []string) {
-	keywords = gulu.Str.RemoveDuplicatedElem(keywords)
-	for _, k := range keywords {
-		if strings.ContainsAny(k, "?*!@#$%^&()[]{}\\|;:'\",.<>~`") {
-			continue
-		}
-		ret = append(ret, k)
-	}
-
+	ret = gulu.Str.RemoveDuplicatedElem(keywords)
 	sort.SliceStable(ret, func(i, j int) bool {
-		return len(ret[i]) < len(ret[j])
+		return len(ret[i]) > len(ret[j])
 	})
 	return
 }