diff --git a/README.md b/README.md
index f5ba0eb..f3d66c3 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 #说明：
 此开源版本为基础功能版本，只有消息推送的基础功能！netty版本,和mina版本结构和功能完全一致，大家可以选择自己喜欢的或者合适的版本学习或者使用!
 
-#侣信专业版1.7.0版本发布 
+#侣信专业版1.7.2版本发布 
 #[http://farsunset.com](http://farsunset.com)
  
 
diff --git a/cim_for_mina/cim-android-sdk/src/com/farsunset/cim/sdk/android/CIMConnectorManager.java b/cim_for_mina/cim-android-sdk/src/com/farsunset/cim/sdk/android/CIMConnectorManager.java
index 80084c7..4bb71ed 100644
--- a/cim_for_mina/cim-android-sdk/src/com/farsunset/cim/sdk/android/CIMConnectorManager.java
+++ b/cim_for_mina/cim-android-sdk/src/com/farsunset/cim/sdk/android/CIMConnectorManager.java
@@ -20,6 +20,7 @@
  ***************************************************************************************
  */
 package com.farsunset.cim.sdk.android;
+import java.io.Serializable;
 import java.net.InetSocketAddress;
 import java.util.Map;
 import java.util.Random;
@@ -171,7 +172,12 @@ class CIMConnectorManager  extends IoHandlerAdapter implements KeepAliveMessageF
 			// 消息发送超时 5秒
 			wf.awaitUninterruptibly(WRITE_TIMEOUT);
 			isSuccessed = wf.isWritten();
-			exception = wf.getException();
+			
+			if(wf.getException() instanceof Serializable)
+			{
+				exception = wf.getException();
+			}
+			
 		} 
 		
 		if(!isSuccessed){
diff --git a/cim_for_mina/cim-client-android/app/libs/cim-server-sdk-3.0.jar b/cim_for_mina/cim-client-android/app/libs/cim-server-sdk-3.0.jar
index c45d058..fb2f179 100644
Binary files a/cim_for_mina/cim-client-android/app/libs/cim-server-sdk-3.0.jar and b/cim_for_mina/cim-client-android/app/libs/cim-server-sdk-3.0.jar differ