diff --git a/Src/Dlhis.ScheduledTask/Jobs/SendMsgToWorkGridLeaderJob.cs b/Src/Dlhis.ScheduledTask/Jobs/SendMsgToWorkGridLeaderJob.cs
index 938e9ac5..448d1f5b 100644
--- a/Src/Dlhis.ScheduledTask/Jobs/SendMsgToWorkGridLeaderJob.cs
+++ b/Src/Dlhis.ScheduledTask/Jobs/SendMsgToWorkGridLeaderJob.cs
@@ -29,7 +29,7 @@ public class SendMsgToWorkGridLeaderJob : BaseJob
 
         var dingtalkApi = serviceProvider.GetService<IDingTalkApi>();
 
-        foreach (var items in infos.Chunk(20))
+        foreach (var items in infos.Chunk(5))
         {
             await dingtalkApi.SendWorkMessageAsync(new JinkoSendWorkMessageRequest
             {