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 a9c2593..7f11de3 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
@@ -26,7 +26,7 @@ import java.util.Map;
 import java.util.Random;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
-import java.util.concurrent.Semaphore;
+import java.util.concurrent.atomic.AtomicBoolean;
 
 import org.apache.mina.core.future.ConnectFuture;
 import org.apache.mina.core.future.IoFutureListener;
@@ -76,7 +76,9 @@ class CIMConnectorManager extends IoHandlerAdapter implements KeepAliveMessageFa
 	
 	
 	private ExecutorService executor = Executors.newFixedThreadPool(1);
-	private Semaphore semaphore = new Semaphore(1,true);
+	
+	private final AtomicBoolean CONNECTING_FLAG = new AtomicBoolean(false) ;
+	
 	private CIMConnectorManager(Context ctx) {
 		context = ctx;
 		makeNioConnector();
@@ -127,11 +129,14 @@ class CIMConnectorManager extends IoHandlerAdapter implements KeepAliveMessageFa
 
 			return;
 		}
+		 
 		
-		if (isConnected() || !semaphore.tryAcquire()) {
+		if (CONNECTING_FLAG.get() || isConnected()) {
 			return;
 		}
 		
+		CONNECTING_FLAG.set(true);
+		
 		if(connector == null || connector.isDisposed()) {
 			makeNioConnector();
 		} 
@@ -149,7 +154,7 @@ class CIMConnectorManager extends IoHandlerAdapter implements KeepAliveMessageFa
 				connector.connect(remoteAddress).addListener(new IoFutureListener<ConnectFuture>() {
 					@Override
 					public void operationComplete(ConnectFuture future) {
-						semaphore.release();
+						CONNECTING_FLAG.set(false);
 						future.removeListener(this);
 						if(future.getException() != null) {
 							handleConnectFailure(future.getException(),remoteAddress);
@@ -267,7 +272,7 @@ class CIMConnectorManager extends IoHandlerAdapter implements KeepAliveMessageFa
 		intent.setPackage(context.getPackageName());
 		intent.setAction(CIMConstant.IntentAction.ACTION_CONNECTION_CLOSED);
 		context.sendBroadcast(intent);
-
+		
 	}
 
 	@Override
diff --git a/cim_for_mina/cim-android-sdk/src/com/farsunset/cim/sdk/android/constant/CIMConstant.java b/cim_for_mina/cim-android-sdk/src/com/farsunset/cim/sdk/android/constant/CIMConstant.java
index a631dcd..61daffb 100644
--- a/cim_for_mina/cim-android-sdk/src/com/farsunset/cim/sdk/android/constant/CIMConstant.java
+++ b/cim_for_mina/cim-android-sdk/src/com/farsunset/cim/sdk/android/constant/CIMConstant.java
@@ -96,7 +96,7 @@ public interface CIMConstant {
 		String ACTION_REPLY_RECEIVED = "com.farsunset.cim.REPLY_RECEIVED";
 	 
 		// 网络变化广播
-		String ACTION_NETWORK_CHANGED = "com.farsunset.cim.NETWORK_CHANAGED";
+		String ACTION_NETWORK_CHANGED = "com.farsunset.cim.NETWORK_CHANGED";
 
 		// 重试连接
 		String ACTION_CONNECTION_RECOVERY = "com.farsunset.cim.CONNECTION_RECOVERY";
diff --git a/cim_for_mina/cim-client-android/app/libs/cim-android-sdk-3.6.jar b/cim_for_mina/cim-client-android/app/libs/cim-android-sdk-3.6.jar
index a6debce..623a860 100644
Binary files a/cim_for_mina/cim-client-android/app/libs/cim-android-sdk-3.6.jar and b/cim_for_mina/cim-client-android/app/libs/cim-android-sdk-3.6.jar differ
diff --git a/cim_for_mina/cim-client-android/app/src/main/AndroidManifest.xml b/cim_for_mina/cim-client-android/app/src/main/AndroidManifest.xml
index 69fcb1a..e6347cb 100644
--- a/cim_for_mina/cim-client-android/app/src/main/AndroidManifest.xml
+++ b/cim_for_mina/cim-client-android/app/src/main/AndroidManifest.xml
@@ -62,7 +62,7 @@
         <receiver android:name="com.farsunset.ichat.example.receiver.CIMPushManagerReceiver">
             <intent-filter android:priority="0x7fffffff">
                 <action android:name="android.net.conn.CONNECTIVITY_CHANGE" />  <!-- 网络变化广播 targetVersion 24之前 -->
-                <action android:name="com.farsunset.cim.NETWORK_CHANAGED" />  <!-- 网络变化广播 targetVersion 24之后-->
+                <action android:name="com.farsunset.cim.NETWORK_CHANGED" />  <!-- 网络变化广播 targetVersion 24之后-->
                 <action android:name="com.farsunset.cim.MESSAGE_RECEIVED" /><!-- 消息广播action -->
                 <action android:name="com.farsunset.cim.SENT_FAILED" /> <!-- 发送sendbody失败广播-->
                 <action android:name="com.farsunset.cim.SENT_SUCCESSED" /> <!-- 发送sendbody成功广播 -->
diff --git a/cim_for_netty/cim-android-sdk/src/com/farsunset/cim/sdk/android/CIMConnectorManager.java b/cim_for_netty/cim-android-sdk/src/com/farsunset/cim/sdk/android/CIMConnectorManager.java
index 6b96230..5171c34 100644
--- a/cim_for_netty/cim-android-sdk/src/com/farsunset/cim/sdk/android/CIMConnectorManager.java
+++ b/cim_for_netty/cim-android-sdk/src/com/farsunset/cim/sdk/android/CIMConnectorManager.java
@@ -25,7 +25,7 @@ import java.net.InetSocketAddress;
 import java.util.Random;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
-import java.util.concurrent.Semaphore;
+import java.util.concurrent.atomic.AtomicBoolean;
 
 import android.content.Context;
 import android.content.Intent;
@@ -75,7 +75,7 @@ class CIMConnectorManager extends ChannelInboundHandlerAdapter{
 	private EventLoopGroup loopGroup;
 	private Channel channel;;
 	private ExecutorService executor = Executors.newFixedThreadPool(1);
-	private Semaphore semaphore = new Semaphore(1,true);
+	private final AtomicBoolean CONNECTING_FLAG = new AtomicBoolean(false) ;
 
 	private Context context;
 
@@ -143,11 +143,13 @@ class CIMConnectorManager extends ChannelInboundHandlerAdapter{
 
 			return;
 		}
-
-		if (isConnected() || !semaphore.tryAcquire()) {
+		
+		if (CONNECTING_FLAG.get() || isConnected()) {
 			return;
 		}
 		
+		CONNECTING_FLAG.set(true);
+		
 		if (bootstrap == null || loopGroup.isShutdown()) {
 			makeNioBootstrap();
 		}
@@ -161,7 +163,7 @@ class CIMConnectorManager extends ChannelInboundHandlerAdapter{
 
 					@Override
 					public void operationComplete(ChannelFuture future) {
-						semaphore.release();
+						CONNECTING_FLAG.set(false);
 						future.removeListener(this);
 						if(!future.isSuccess() && future.cause() != null) {
 							handleConnectFailure(future.cause(),remoteAddress);
diff --git a/cim_for_netty/cim-android-sdk/src/com/farsunset/cim/sdk/android/constant/CIMConstant.java b/cim_for_netty/cim-android-sdk/src/com/farsunset/cim/sdk/android/constant/CIMConstant.java
index fa3afc1..9bf94b8 100644
--- a/cim_for_netty/cim-android-sdk/src/com/farsunset/cim/sdk/android/constant/CIMConstant.java
+++ b/cim_for_netty/cim-android-sdk/src/com/farsunset/cim/sdk/android/constant/CIMConstant.java
@@ -96,7 +96,7 @@ public interface CIMConstant {
 		String ACTION_REPLY_RECEIVED = "com.farsunset.cim.REPLY_RECEIVED";
 
 		// 网络变化广播
-		String ACTION_NETWORK_CHANGED = "com.farsunset.cim.NETWORK_CHANAGED";
+		String ACTION_NETWORK_CHANGED = "com.farsunset.cim.NETWORK_CHANGED";
 
 
 		// 重试连接
diff --git a/cim_for_netty/cim-client-android/.idea/misc.xml b/cim_for_netty/cim-client-android/.idea/misc.xml
index af0bbdd..703e5d4 100644
--- a/cim_for_netty/cim-client-android/.idea/misc.xml
+++ b/cim_for_netty/cim-client-android/.idea/misc.xml
@@ -5,7 +5,7 @@
       <configuration PROFILE_NAME="Debug" CONFIG_NAME="Debug" />
     </configurations>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/cim_for_netty/cim-client-android/app/libs/cim-android-sdk-3.6.jar b/cim_for_netty/cim-client-android/app/libs/cim-android-sdk-3.6.jar
index 770e0aa..48b23e8 100644
Binary files a/cim_for_netty/cim-client-android/app/libs/cim-android-sdk-3.6.jar and b/cim_for_netty/cim-client-android/app/libs/cim-android-sdk-3.6.jar differ
diff --git a/cim_for_netty/cim-client-android/app/src/main/AndroidManifest.xml b/cim_for_netty/cim-client-android/app/src/main/AndroidManifest.xml
index 69fcb1a..e6347cb 100644
--- a/cim_for_netty/cim-client-android/app/src/main/AndroidManifest.xml
+++ b/cim_for_netty/cim-client-android/app/src/main/AndroidManifest.xml
@@ -62,7 +62,7 @@
         <receiver android:name="com.farsunset.ichat.example.receiver.CIMPushManagerReceiver">
             <intent-filter android:priority="0x7fffffff">
                 <action android:name="android.net.conn.CONNECTIVITY_CHANGE" />  <!-- 网络变化广播 targetVersion 24之前 -->
-                <action android:name="com.farsunset.cim.NETWORK_CHANAGED" />  <!-- 网络变化广播 targetVersion 24之后-->
+                <action android:name="com.farsunset.cim.NETWORK_CHANGED" />  <!-- 网络变化广播 targetVersion 24之后-->
                 <action android:name="com.farsunset.cim.MESSAGE_RECEIVED" /><!-- 消息广播action -->
                 <action android:name="com.farsunset.cim.SENT_FAILED" /> <!-- 发送sendbody失败广播-->
                 <action android:name="com.farsunset.cim.SENT_SUCCESSED" /> <!-- 发送sendbody成功广播 -->