From ac485ea5453493c277c6dc13749db9074471f325 Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Thu, 7 Mar 2024 16:31:40 +0800
Subject: [PATCH] :art: Improve db tv relation render

---
 kernel/av/value.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/av/value.go b/kernel/av/value.go
index 979a43f14..fb9b12fb0 100644
--- a/kernel/av/value.go
+++ b/kernel/av/value.go
@@ -58,6 +58,10 @@ type Value struct {
 }
 
 func (value *Value) String() string {
+	if nil == value {
+		return ""
+	}
+
 	switch value.Type {
 	case KeyTypeBlock:
 		if nil == value.Block {