init

plugin/admin/app/controller/DeviceController.php

@@ -50,6 +50,21 @@ class DeviceController extends Crud
         return raw_view('device/update');
     }
 
+    /**
+     * 设备下拉选项（可按 hospital_id 筛选）
+     */
+    public function options(Request $request): Response
+    {
+        $query = $this->repository->scopedQuery();
+        if ($hospitalId = $request->get('hospital_id')) {
+            $query->where('hospital_id', $hospitalId);
+        }
+        $data = $query->select(['id', 'name'])->get()
+            ->map(fn($item) => ['id' => $item->id, 'name' => $item->name])
+            ->toArray();
+        return json(['code' => 0, 'msg' => 'ok', 'data' => $data]);
+    }
+
     protected function afterQuery($items)
     {
         $statusMap = [1 => '正常', 2 => '离线', 3 => '报警'];

plugin/admin/app/repository/DeviceStatusRepository.php

@@ -129,12 +129,13 @@ class DeviceStatusRepository extends BaseRepository
     }
 
     /**
-     * 获取设备所有周期列表（操作记录）
+     * 获取设备周期列表（操作记录，限制最多200条避免数据过大）
      */
-    public function getAllCyclesByDevice(int $deviceId): \Illuminate\Database\Eloquent\Collection
+    public function getAllCyclesByDevice(int $deviceId, int $limit = 200): \Illuminate\Database\Eloquent\Collection
     {
         return OpmDsCycle::where('device_id', $deviceId)
             ->orderBy('id', 'desc')
+            ->limit($limit)
             ->get();
     }
 }

plugin/admin/app/service/DeviceStatusService.php

@@ -127,15 +127,17 @@ class DeviceStatusService extends BaseService
         $deviceId = $this->resolveDeviceId($deviceId);
         if (!$deviceId) return [];
 
+        // 先查一次设备名称，避免 N+1
+        $device = OpmDsDevice::find($deviceId);
+        $deviceName = $device->name ?? '';
+
         $cycles = $this->repository->getAllCyclesByDevice($deviceId);
 
-        return $cycles->map(function ($item) {
-            $device = OpmDsDevice::find($item->device_id);
-
+        return $cycles->map(function ($item) use ($deviceName) {
             return [
                 'id' => $item->id,
                 'operation' => $item->operation,
-                'name' => $device->name ?? '',
+                'name' => $deviceName,
                 'created_at' => $item->created_at,
                 'start_time' => $item->start_time,
                 'pack' => $item->pack,