diff --git a/src/main/java/org/redkale/net/AsyncConnection.java b/src/main/java/org/redkale/net/AsyncConnection.java
index 03ebcb897..c16fdb25d 100644
--- a/src/main/java/org/redkale/net/AsyncConnection.java
+++ b/src/main/java/org/redkale/net/AsyncConnection.java
@@ -10,7 +10,7 @@ import java.net.*;
 import java.nio.ByteBuffer;
 import java.nio.channels.*;
 import java.util.*;
-import java.util.concurrent.atomic.*;
+import java.util.concurrent.atomic.LongAdder;
 import java.util.concurrent.locks.ReentrantLock;
 import java.util.function.*;
 import javax.net.ssl.SSLEngineResult.HandshakeStatus;
@@ -83,9 +83,6 @@ public abstract class AsyncConnection implements Channel, AutoCloseable {
 
     private Consumer<AsyncConnection> beforeCloseListener;
 
-    //关联的事件数， 小于1表示没有事件
-    private final AtomicInteger eventing = new AtomicInteger();
-
     //用于服务端的Socket, 等同于一直存在的readCompletionHandler
     ProtocolCodec protocolCodec;
 
@@ -162,14 +159,6 @@ public abstract class AsyncConnection implements Channel, AutoCloseable {
         return sslEngine != null;
     }
 
-    public final int increEventing() {
-        return eventing.incrementAndGet();
-    }
-
-    public final int decreEventing() {
-        return eventing.decrementAndGet();
-    }
-
     public final void executeRead(Runnable command) {
         ioReadThread.execute(command);
     }
diff --git a/src/main/java/org/redkale/net/client/ClientConnection.java b/src/main/java/org/redkale/net/client/ClientConnection.java
index 2ac08f998..bb2225979 100644
--- a/src/main/java/org/redkale/net/client/ClientConnection.java
+++ b/src/main/java/org/redkale/net/client/ClientConnection.java
@@ -14,7 +14,7 @@ import java.util.concurrent.*;
 import java.util.concurrent.atomic.*;
 import java.util.concurrent.locks.ReentrantLock;
 import java.util.function.*;
-import org.redkale.annotation.Nullable;
+import org.redkale.annotation.*;
 import org.redkale.net.*;
 import org.redkale.util.ByteArray;
 
@@ -38,8 +38,8 @@ public abstract class ClientConnection<R extends ClientRequest, P> implements Co
 
     protected final Client client;
 
-    @Nullable
-    protected final LongAdder respWaitingCounter; //可能为null
+    @Nonnull
+    protected final LongAdder respWaitingCounter;
 
     protected final LongAdder doneRequestCounter = new LongAdder();
 
@@ -51,6 +51,18 @@ public abstract class ClientConnection<R extends ClientRequest, P> implements Co
 
     protected final ByteBuffer writeBuffer;
 
+    protected final CompletionHandler<Integer, ClientConnection> writeHandler = new CompletionHandler<Integer, ClientConnection>() {
+
+        @Override
+        public void completed(Integer result, ClientConnection attachment) {
+        }
+
+        @Override
+        public void failed(Throwable exc, ClientConnection attachment) {
+            attachment.dispose(exc);
+        }
+    };
+
     final AtomicBoolean pauseWriting = new AtomicBoolean();
 
     final ConcurrentLinkedQueue<ClientFuture> pauseRequests = new ConcurrentLinkedQueue<>();
@@ -102,7 +114,7 @@ public abstract class ClientConnection<R extends ClientRequest, P> implements Co
             respFuture.setTimeout(client.timeoutScheduler.schedule(respFuture, rts, TimeUnit.SECONDS));
         }
         respWaitingCounter.increment(); //放在writeChannelInWriteThread计数会延迟，导致不准确
-        
+
         writeLock.lock();
         try {
             offerRespFuture(respFuture);
@@ -336,15 +348,4 @@ public abstract class ClientConnection<R extends ClientRequest, P> implements Co
         return s;
     }
 
-    protected final CompletionHandler<Integer, ClientConnection> writeHandler = new CompletionHandler<Integer, ClientConnection>() {
-
-        @Override
-        public void completed(Integer result, ClientConnection attachment) {
-        }
-
-        @Override
-        public void failed(Throwable exc, ClientConnection attachment) {
-            attachment.dispose(exc);
-        }
-    };
 }