diff --git a/Src/Dlhis.ScheduledTask/Jobs/SendMsgToWorkGridLeaderJob.cs b/Src/Dlhis.ScheduledTask/Jobs/SendMsgToWorkGridLeaderJob.cs
index 2adfdfd7..938e9ac5 100644
--- a/Src/Dlhis.ScheduledTask/Jobs/SendMsgToWorkGridLeaderJob.cs
+++ b/Src/Dlhis.ScheduledTask/Jobs/SendMsgToWorkGridLeaderJob.cs
@@ -17,7 +17,6 @@ public class SendMsgToWorkGridLeaderJob : BaseJob
 
     protected override async Task RunAsync(IServiceProvider serviceProvider)
     {
-        //
         var infos = await DbContext.Queryable<WorkGridEntity>()
             .LeftJoin<GainfoEntity>((x, ga) => x.LeaderUserCode == ga.Code)
             .Select((x, ga) => new
@@ -29,10 +28,14 @@ public class SendMsgToWorkGridLeaderJob : BaseJob
             .ToListAsync();
 
         var dingtalkApi = serviceProvider.GetService<IDingTalkApi>();
-        await dingtalkApi.SendWorkMessageAsync(new JinkoSendWorkMessageRequest
+
+        foreach (var items in infos.Chunk(20))
         {
-            Content = "你好，网格长，请看到消息后，前往人脸应用平台，执行明天的排班，已排班的请忽略!",
-            WorkCodes = infos.Select(x => x.LeaderUserCode).ToList()
-        });
+            await dingtalkApi.SendWorkMessageAsync(new JinkoSendWorkMessageRequest
+            {
+                Content = "你好，网格长，请看到消息后，前往人脸应用平台，执行明天的排班，已排班的请忽略!",
+                WorkCodes = items.Select(x => x.LeaderUserCode).ToList()
+            });
+        }
     }
 }
\ No newline at end of file