From 77bb351161074f40d9313404c622d32157e5bb89 Mon Sep 17 00:00:00 2001
From: kunmeng <dodota53@gmail.com>
Date: Wed, 21 May 2025 09:40:32 +0800
Subject: [PATCH] =?UTF-8?q?1.=20NVR=20Status=20=E4=BD=86=E5=AF=B9=E8=B1=A1?=
 =?UTF-8?q?=E5=88=9D=E5=A7=8B=E5=8C=96=E5=A4=B1=E8=B4=A5=E6=97=B6=E8=BF=94?=
 =?UTF-8?q?=E5=9B=9Efalse?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 BallCamera.go | 1 -
 Nvr.go        | 3 +++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/BallCamera.go b/BallCamera.go
index f8dd5c7..4effbbb 100644
--- a/BallCamera.go
+++ b/BallCamera.go
@@ -423,7 +423,6 @@ func verify(data []byte) (byte, error) {
 	for i := 1; i < 6; i++ {
 		sum += int(data[i])
 	}
-
 	// 取模并转换为16进制
 	checksum := sum % 0x100
 	return byte(checksum), nil
diff --git a/Nvr.go b/Nvr.go
index a8771be..ddd6fee 100644
--- a/Nvr.go
+++ b/Nvr.go
@@ -167,6 +167,9 @@ func (this *Nvr) Logout() error {
 }
 
 func (this *Nvr) Status() bool {
+	if this == nil {
+		return false
+	}
 	return Core.NET_DVR_RemoteControl(this.userId)
 }