diff --git a/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs b/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
index 10e24460..451f3f5d 100644
--- a/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
+++ b/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
@@ -242,7 +242,7 @@ public class AssignmentService : IAssignmentService
     private async Task<List<TaskDto>> GetDataAsync(DeviceTaskGetRequest request)
     {
         var limitTime = DateTime.Now.AddDays(-3);
-        var limitData = _dbContext.Queryable<DeviceTaskEntity>().Where(x => x.CreateTime >= limitTime).FirstAsync();
+        var limitData = await _dbContext.Queryable<DeviceTaskEntity>().Where(x => x.CreateTime >= limitTime).FirstAsync();
         if (limitData == null)
         {
             return new List<TaskDto>();