diff --git a/cim_for_netty/cim-core/src/com/farsunset/cim/client/android/CIMConnectorManager.java b/cim_for_netty/cim-core/src/com/farsunset/cim/client/android/CIMConnectorManager.java
index 89a40b5..f632dbf 100644
--- a/cim_for_netty/cim-core/src/com/farsunset/cim/client/android/CIMConnectorManager.java
+++ b/cim_for_netty/cim-core/src/com/farsunset/cim/client/android/CIMConnectorManager.java
@@ -2,7 +2,7 @@
 import java.net.InetSocketAddress;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
-
+import java.util.concurrent.Future;
 import org.jboss.netty.bootstrap.ClientBootstrap;
 import org.jboss.netty.channel.Channel;
 import org.jboss.netty.channel.ChannelHandlerContext;