From 860b8103d38f0cc863f12ca2f9ee4a097f4d2460 Mon Sep 17 00:00:00 2001
From: xyy <544939200@qq.com>
Date: Mon, 9 Mar 2026 10:50:53 +0800
Subject: [PATCH]

---
 压差法气体渗透仪/NET_HRF4838_C#/Form1.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/压差法气体渗透仪/NET_HRF4838_C#/Form1.cs b/压差法气体渗透仪/NET_HRF4838_C#/Form1.cs
index 09b3fed..38d6f32 100644
--- a/压差法气体渗透仪/NET_HRF4838_C#/Form1.cs
+++ b/压差法气体渗透仪/NET_HRF4838_C#/Form1.cs
@@ -329,7 +329,7 @@ namespace NET_HRF4826
                     // 从PLC字段获取当前压力值（单位Pa）
                     lock (_plcPressureLock)
                     {
-                        record.LowPressureCalibrated = _plcLowPressurePa.HasValue ? (float)_plcLowPressurePa.Value : 0f;
+                        record.LowPressureCalibrated = _plcLowPressurePa.HasValue ? (float)_plcLowPressurePa.Value : 1f;
                         record.HighPressureCalibrated = _plcHighPressurePa ?? 0f;
                     }