diff --git a/app/Services/DeviceWarningService.php b/app/Services/DeviceWarningService.php
index daf5487..34d0b7f 100644
--- a/app/Services/DeviceWarningService.php
+++ b/app/Services/DeviceWarningService.php
@@ -147,17 +147,18 @@ class DeviceWarningService
                     $msg = $fieldNameMap[$column].'达到'.($log->$column ?? 0).$fieldUnitMap[$column].'值'; 
                 }
             }
-
-            $notices[] = [
-                'device_id' => $device->id,
-                'lv' => $lv,
-                'content' => '【'.$device->name.'】【'.WarningNotice::lvMap()[$lv].'】'.$msg,
-                'reported_at' => $reportedAt,
-                'created_at' => now(),
-                'updated_at' => now(),
-                'loggable_type' => $log::class,
-                'loggable_id' => $log->id,
-            ];
+            if($msg){
+                $notices[] = [
+                    'device_id' => $device->id,
+                    'lv' => $lv,
+                    'content' => '【'.$device->name.'】【'.WarningNotice::lvMap()[$lv].'】'.$msg,
+                    'reported_at' => $reportedAt,
+                    'created_at' => now(),
+                    'updated_at' => now(),
+                    'loggable_type' => $log::class,
+                    'loggable_id' => $log->id,
+                ];
+            }
         }
         count($notices) > 0 && WarningNotice::insert($notices);