diff --git a/Src/Dlhis.Basic/WorkGrids/Services/Implements/WorkGridScheduleService.cs b/Src/Dlhis.Basic/WorkGrids/Services/Implements/WorkGridScheduleService.cs
index 8d563c65..16453987 100644
--- a/Src/Dlhis.Basic/WorkGrids/Services/Implements/WorkGridScheduleService.cs
+++ b/Src/Dlhis.Basic/WorkGrids/Services/Implements/WorkGridScheduleService.cs
@@ -142,8 +142,8 @@ public class WorkGridScheduleService : IWorkGridScheduleService
             };
         }
 
-        var t = request.IsError.ToString();
-        var filterString = $"IsError\":{t}";
+        var t = request.IsError.ToString().ToLower();
+        var filterString = $"{{\"IsError\":{t}";
 
         return await _dbContext.Queryable<DeviceUploadLogEntity>()
             .LeftJoin<DeviceEntity>((log, d) => log.DeviceUniqueNo == d.UniqueNo)
@@ -176,7 +176,7 @@ public class WorkGridScheduleService : IWorkGridScheduleService
     /// <inheritdoc />
     public async Task ManuallyUploadAsync(List<long> logIds)
     {
-        const string filterString = $"IsError\":true";
+        const string filterString = $"{{\"IsError\":true";
 
         var requests = await _dbContext.Queryable<DeviceUploadLogEntity>()
             .LeftJoin<DeviceEntity>((x, device) => x.DeviceUniqueNo == device.UniqueNo)