diff --git a/modules/JiShe.CollectBus.Kafka/Internal/KafkaTaskScheduler.cs b/modules/JiShe.CollectBus.Kafka/Internal/KafkaTaskScheduler.cs
index c5443f4..9afe7fa 100644
--- a/modules/JiShe.CollectBus.Kafka/Internal/KafkaTaskScheduler.cs
+++ b/modules/JiShe.CollectBus.Kafka/Internal/KafkaTaskScheduler.cs
@@ -1,12 +1,4 @@
-using Confluent.Kafka;
-using Microsoft.AspNetCore.SignalR;
-using System;
-using System.Collections.Concurrent;
-using System.Collections.Generic;
-using System.Linq;
-using System.Reflection;
-using System.Text;
-using System.Threading.Tasks;
+using System.Collections.Concurrent;
 
 namespace JiShe.CollectBus.Kafka.Internal
 {