From d2df50ab05a9d9a85a4b735786fe3f2b6e00186e Mon Sep 17 00:00:00 2001
From: chenluhua1980 <Chenluhua@qq.com>
Date: 星期一, 26 一月 2026 22:19:17 +0800
Subject: [PATCH] 1.已把空指针和防护都补上了：创建消息失败直接返回并删除 action；spooling/发送/序列化都会跳过空消息并记录错误，避免再因 m_pSendMessage 为空导致崩溃或写出坏缓存。

---
 SourceCode/Bond/Servo/CPageLinkSignal.h |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/SourceCode/Bond/Servo/CPageLinkSignal.h b/SourceCode/Bond/Servo/CPageLinkSignal.h
index 8b40ce2..e97a68d 100644
--- a/SourceCode/Bond/Servo/CPageLinkSignal.h
+++ b/SourceCode/Bond/Servo/CPageLinkSignal.h
@@ -14,13 +14,16 @@
 	virtual ~CPageLinkSignal();
 	void setEquipment(SERVO::CEquipment* pEquipment);
 	void CreateSignalButtons();
-	void UpdateAllSignalStatesFromDevice();
-	void UpdateSignalState(int nRow, int nCol, bool bNewState);
+	void UpdateAllUpstreamSignalStatesFromDevice();
+	void UpdateAllDownstreamSignalStatesFromDevice();
+	void UpdateUpstreamSignalState(int nRow, int nCol, bool bNewState);
+	void UpdateDownstreamSignalState(int nRow, int nCol, bool bNewState);
 
 
 private:
 	SERVO::CEquipment* m_pEquipment;
-	CBlButton* m_pBtn[8][8];
+	CBlButton* m_pBtnUpstream[8][8];
+	CBlButton* m_pBtnDwonstream[8][4];
 	BOOL m_bEnable;
 
 // 瀵硅瘽妗嗘暟鎹�

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