From 683ba3291890bef0426eb36136df902b0d5372ef Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Fri, 8 Aug 2025 15:12:00 +0800
Subject: [PATCH] :art: Limit the database title to 512 characters
 https://github.com/siyuan-note/siyuan/issues/15459

---
 kernel/model/attribute_view.go     | 4 ++--
 kernel/model/attribute_view_fix.go | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/model/attribute_view.go b/kernel/model/attribute_view.go
index bb8f28768..99bdc9740 100644
--- a/kernel/model/attribute_view.go
+++ b/kernel/model/attribute_view.go
@@ -2928,8 +2928,8 @@ func (tx *Transaction) setAttributeViewName(operation *Operation) (err error) {
 
 	attrView.Name = strings.TrimSpace(operation.Data.(string))
 	attrView.Name = strings.ReplaceAll(attrView.Name, "\n", " ")
-	if 256 < len(attrView.Name) {
-		attrView.Name = gulu.Str.SubStr(attrView.Name, 256)
+	if 512 < len(attrView.Name) {
+		attrView.Name = gulu.Str.SubStr(attrView.Name, 512)
 	}
 	err = av.SaveAttributeView(attrView)
 
diff --git a/kernel/model/attribute_view_fix.go b/kernel/model/attribute_view_fix.go
index 2712a16ea..30218cc80 100644
--- a/kernel/model/attribute_view_fix.go
+++ b/kernel/model/attribute_view_fix.go
@@ -95,10 +95,10 @@ func checkAttrView(attrView *av.AttributeView, view *av.View) {
 		}
 	}
 
-	// 截断超长的数据库标题 Limit the database title to 256 characters https://github.com/siyuan-note/siyuan/issues/15459
-	if 256 < utf8.RuneCountInString(attrView.Name) {
+	// 截断超长的数据库标题 Limit the database title to 512 characters https://github.com/siyuan-note/siyuan/issues/15459
+	if 512 < utf8.RuneCountInString(attrView.Name) {
 		attrView.Name = strings.ReplaceAll(attrView.Name, "\n", " ")
-		attrView.Name = gulu.Str.SubStr(attrView.Name, 256)
+		attrView.Name = gulu.Str.SubStr(attrView.Name, 512)
 		changed = true
 	}