From 85bddb40058d22fd46613acdd84709d8b4506ee4 Mon Sep 17 00:00:00 2001
From: vine_liutk <961510893@qq.com>
Date: Wed, 22 Mar 2023 20:13:04 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4=E5=8F=AF=E8=83=BD=E5=AD=98?=
 =?UTF-8?q?=E5=9C=A8=E7=9A=84bug?=
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---
 app/Http/Controllers/DeviceController.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/Http/Controllers/DeviceController.php b/app/Http/Controllers/DeviceController.php
index 08ddbc0..633c910 100644
--- a/app/Http/Controllers/DeviceController.php
+++ b/app/Http/Controllers/DeviceController.php
@@ -219,7 +219,7 @@ class DeviceController extends Controller
                         if (isset($_dataList[$_key])) {
                             $data[$device->monitoring_point][$_key] = $_dataList[$_key][$deviceColumn] ?? null;
                         }else{
-                            $data[$device->monitoring_point][$_key] = $data[$device->monitoring_point][now()->subHours($i+1)->format('Y-m-d H').':00:00'];
+                            $data[$device->monitoring_point][$_key] = $data[$device->monitoring_point][now()->subHours($i+1)->format('Y-m-d H').':00:00'] ?? null;
                         }
                     }
                 }