diff --git a/Src/Dlhis.Basic/Device/Services/Implements/DeviceService.cs b/Src/Dlhis.Basic/Device/Services/Implements/DeviceService.cs
index 9d05e95a..407dd3cc 100644
--- a/Src/Dlhis.Basic/Device/Services/Implements/DeviceService.cs
+++ b/Src/Dlhis.Basic/Device/Services/Implements/DeviceService.cs
@@ -80,7 +80,6 @@ public class DeviceService : IDeviceService
 
         var deviceUniqueNos = page.Data.Select(x => x.UniqueNo).ToList();
         var deviceUsers = await _dbContext.Queryable<DeviceUserEntity>()
-            .Where(x => deviceUniqueNos.Contains(x.DeviceUniqueNo))
             .Select(x => x.DeviceUniqueNo)
             .Distinct()
             .ToListAsync();