diff --git a/README.md b/README.md
index 02e097b3..abccdacd 100644
--- a/README.md
+++ b/README.md
@@ -301,3 +301,31 @@
         LOG.info("Error Message: " + e.getErrorMessage());
     }
 ```
+
+### Custom Client 样例
+
+> 一下片断来自项目代码里面的文件：example / cn.jpush.api.examples.ClientExample
+
+```Java
+    public static void testCustomClient() {
+		ClientConfig config = ClientConfig.getInstance();
+        config.setMaxRetryTimes(5);
+        config.setConnectionTimeout(10 * 1000);	// 10 seconds
+        config.setSSLVersion("TLSv1.1");		// JPush server supports SSLv3, TLSv1, TLSv1.1, TLSv1.2
+
+        JPushClient jPushClient = new JPushClient(masterSecret, appKey, null, config);
+	}
+
+    public static void testCustomPushClient() {
+        ClientConfig config = ClientConfig.getInstance();
+        config.setApnsProduction(false); 	// development env
+        config.setTimeToLive(60 * 60 * 24); // one day
+
+    //	config.setGlobalPushSetting(false, 60 * 60 * 24); // development env, one day
+
+        JPushClient jPushClient = new JPushClient(masterSecret, appKey, null, config); 	// JPush client
+
+    //	PushClient pushClient = new PushClient(masterSecret, appKey, null, config); 	// push client only
+
+    }
+```
diff --git a/example/main/java/cn/jpush/api/examples/ClientExample.java b/example/main/java/cn/jpush/api/examples/ClientExample.java
new file mode 100644
index 00000000..c397ba78
--- /dev/null
+++ b/example/main/java/cn/jpush/api/examples/ClientExample.java
@@ -0,0 +1,51 @@
+package cn.jpush.api.examples;
+
+import cn.jpush.api.JPushClient;
+import cn.jpush.api.common.ClientConfig;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ClientExample {
+	protected static final Logger LOG = LoggerFactory.getLogger(ClientExample.class);
+
+	private static final String appKey = "dd1066407b044738b6479275";
+	private static final String masterSecret = "e8cc9a76d5b7a580859bcfa7";
+
+	public static void main(String[] args) {
+//		testDefaultClient();
+//		testCustomClient();
+//		testCustomPushClient();
+	}
+
+	public static void testDefaultClient() {
+		JPushClient client = new JPushClient(masterSecret, appKey);
+
+	//	JPushClient client1 = new JPushClient(masterSecret, appKey, null, ClientConfig.getInstance());
+	}
+
+	public static void testCustomClient() {
+		ClientConfig config = ClientConfig.getInstance();
+		config.setMaxRetryTimes(5);
+		config.setConnectionTimeout(10 * 1000);	// 10 seconds
+		config.setSSLVersion("TLSv1.1");		// JPush server supports SSLv3, TLSv1, TLSv1.1, TLSv1.2
+
+		JPushClient jPushClient = new JPushClient(masterSecret, appKey, null, config);
+	}
+
+	public static void testCustomPushClient() {
+		ClientConfig config = ClientConfig.getInstance();
+
+		config.setApnsProduction(false); 	// development env
+		config.setTimeToLive(60 * 60 * 24); // one day
+
+	//	config.setGlobalPushSetting(false, 60 * 60 * 24); // development env, one day
+
+		JPushClient jPushClient = new JPushClient(masterSecret, appKey, null, config); 	// JPush client
+
+	//	PushClient pushClient = new PushClient(masterSecret, appKey, null, config); 	// push client only
+
+	}
+	
+}
+
+
diff --git a/example/main/java/cn/jpush/api/examples/DevcieExample.java b/example/main/java/cn/jpush/api/examples/DeviceExample.java
similarity index 94%
rename from example/main/java/cn/jpush/api/examples/DevcieExample.java
rename to example/main/java/cn/jpush/api/examples/DeviceExample.java
index 5bcd0e56..5f3666f0 100644
--- a/example/main/java/cn/jpush/api/examples/DevcieExample.java
+++ b/example/main/java/cn/jpush/api/examples/DeviceExample.java
@@ -1,22 +1,21 @@
 package cn.jpush.api.examples;
 
-import cn.jpush.api.common.resp.DefaultResult;
-import cn.jpush.api.device.OnlineStatus;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import cn.jpush.api.JPushClient;
 import cn.jpush.api.common.resp.APIConnectionException;
 import cn.jpush.api.common.resp.APIRequestException;
+import cn.jpush.api.common.resp.DefaultResult;
+import cn.jpush.api.device.OnlineStatus;
 import cn.jpush.api.device.TagAliasResult;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.util.Map;
 
-public class DevcieExample {
-	protected static final Logger LOG = LoggerFactory.getLogger(DevcieExample.class);
+public class DeviceExample {
+	protected static final Logger LOG = LoggerFactory.getLogger(DeviceExample.class);
 
 	private static final String appKey = "dd1066407b044738b6479275";
-	private static final String masterSecret = "6b135be0037a5c1e693c3dfa";
+	private static final String masterSecret = "e8cc9a76d5b7a580859bcfa7";
 	private static final String TAG1 = "tag1";
 	private static final String ALIAS1 = "alias1";
 	private static final String ALIAS2 = "alias2";
@@ -27,7 +26,7 @@ public class DevcieExample {
 
 	public static void main(String[] args) {
 //		testGetDeviceTagAlias();
-		testGetUserOnlineStatus();
+//		testGetUserOnlineStatus();
 	}
 	
 	public static void testGetDeviceTagAlias() {
diff --git a/example/main/java/cn/jpush/api/examples/PushExample.java b/example/main/java/cn/jpush/api/examples/PushExample.java
index 4a8f6f8a..ece51cc7 100644
--- a/example/main/java/cn/jpush/api/examples/PushExample.java
+++ b/example/main/java/cn/jpush/api/examples/PushExample.java
@@ -22,8 +22,8 @@ public class PushExample {
     protected static final Logger LOG = LoggerFactory.getLogger(PushExample.class);
 
     // demo App defined in resources/jpush-api.conf 
-	private static final String appKey ="e5c0d34f58732cf09b2d4d74";
-	private static final String masterSecret = "4cdda6d3c8b029941dbc5cb3";
+	private static final String appKey ="dd1066407b044738b6479275";
+	private static final String masterSecret = "e8cc9a76d5b7a580859bcfa7";
 	
 	public static final String TITLE = "Test from API example";
     public static final String ALERT = "Test from API Example - alert";
diff --git a/example/main/java/cn/jpush/api/examples/ReportsExample.java b/example/main/java/cn/jpush/api/examples/ReportsExample.java
index 2482f7bb..37ccdab7 100644
--- a/example/main/java/cn/jpush/api/examples/ReportsExample.java
+++ b/example/main/java/cn/jpush/api/examples/ReportsExample.java
@@ -16,7 +16,7 @@ public class ReportsExample {
 
     // demo App defined in resources/jpush-api.conf 
 	private static final String appKey = "dd1066407b044738b6479275";
-	private static final String masterSecret = "2b38ce69b1de2a7fa95706ea";
+	private static final String masterSecret = "e8cc9a76d5b7a580859bcfa7";
 
 	public static void main(String[] args) {
 		testGetReport();
diff --git a/example/main/java/cn/jpush/api/examples/ScheduleExample.java b/example/main/java/cn/jpush/api/examples/ScheduleExample.java
index de4df8c4..98253799 100644
--- a/example/main/java/cn/jpush/api/examples/ScheduleExample.java
+++ b/example/main/java/cn/jpush/api/examples/ScheduleExample.java
@@ -17,8 +17,8 @@ public class ScheduleExample {
 
     protected static final Logger LOG = LoggerFactory.getLogger(ScheduleExample.class);
 
-    private static final String appKey ="e5c0d34f58732cf09b2d4d74";
-    private static final String masterSecret = "4cdda6d3c8b029941dbc5cb3";
+    private static final String appKey ="dd1066407b044738b6479275";
+    private static final String masterSecret = "e8cc9a76d5b7a580859bcfa7";
 
     public static void main(String[] args) {
 
diff --git a/src/main/java/cn/jpush/api/JPushClient.java b/src/main/java/cn/jpush/api/JPushClient.java
index 8e503551..dbdf8feb 100644
--- a/src/main/java/cn/jpush/api/JPushClient.java
+++ b/src/main/java/cn/jpush/api/JPushClient.java
@@ -54,14 +54,39 @@ public JPushClient(String masterSecret, String appKey) {
 	    _deviceClient = new DeviceClient(masterSecret, appKey);
         _scheduleClient = new ScheduleClient(masterSecret, appKey);
 	}
-	
+
+    /**
+     * Create a JPush Client by custom Client configuration.
+     *
+     * @param masterSecret API access secret of the appKey.
+     * @param appKey The KEY of one application on JPush.
+     * @param proxy The proxy, if there is no proxy, should be null.
+     * @param conf The client configuration. Can use ClientConfig.getInstance() as default.
+     */
+    public JPushClient(String masterSecret, String appKey, HttpProxy proxy, ClientConfig conf) {
+        _pushClient = new PushClient(masterSecret, appKey, proxy, conf);
+        _reportClient = new ReportClient(masterSecret, appKey, proxy, conf);
+        _deviceClient = new DeviceClient(masterSecret, appKey, proxy, conf);
+        _scheduleClient = new ScheduleClient(masterSecret, appKey, proxy, conf);
+    }
+
+    /**
+     * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig#setMaxRetryTimes} instead of this constructor.
+     *
+     */
+    @Deprecated
 	public JPushClient(String masterSecret, String appKey, int maxRetryTimes) {
         _pushClient = new PushClient(masterSecret, appKey, maxRetryTimes);
         _reportClient = new ReportClient(masterSecret, appKey, maxRetryTimes);
         _deviceClient = new DeviceClient(masterSecret, appKey, maxRetryTimes);
         _scheduleClient = new ScheduleClient(masterSecret, appKey, maxRetryTimes);
 	}
-	
+
+    /**
+     * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig#setMaxRetryTimes} instead of this constructor.
+     *
+     */
+    @Deprecated
     public JPushClient(String masterSecret, String appKey, int maxRetryTimes, HttpProxy proxy) {
         _pushClient = new PushClient(masterSecret, appKey, maxRetryTimes, proxy);
         _reportClient = new ReportClient(masterSecret, appKey, maxRetryTimes, proxy);
@@ -73,6 +98,7 @@ public JPushClient(String masterSecret, String appKey, int maxRetryTimes, HttpPr
      * Create a JPush Client by custom Client configuration.
      *
      * If you are using JPush privacy cloud, maybe this constructor is what you needed.
+     * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig#setMaxRetryTimes} instead of this constructor.
      *
      * @param masterSecret API access secret of the appKey.
      * @param appKey The KEY of one application on JPush.
@@ -80,18 +106,25 @@ public JPushClient(String masterSecret, String appKey, int maxRetryTimes, HttpPr
      * @param proxy The proxy, if there is no proxy, should be null.
      * @param conf The client configuration. Can use ClientConfig.getInstance() as default.
      */
+    @Deprecated
     public JPushClient(String masterSecret, String appKey, int maxRetryTimes, HttpProxy proxy, ClientConfig conf) {
-        _pushClient = new PushClient(masterSecret, appKey, maxRetryTimes, proxy, conf);
-        _reportClient = new ReportClient(masterSecret, appKey, maxRetryTimes, proxy, conf);
-        _deviceClient = new DeviceClient(masterSecret, appKey, maxRetryTimes, proxy, conf);
-        _scheduleClient = new ScheduleClient(masterSecret, appKey, maxRetryTimes, proxy, conf);
+        conf.setMaxRetryTimes(maxRetryTimes);
+
+        _pushClient = new PushClient(masterSecret, appKey, proxy, conf);
+        _reportClient = new ReportClient(masterSecret, appKey, proxy, conf);
+        _deviceClient = new DeviceClient(masterSecret, appKey, proxy, conf);
+        _scheduleClient = new ScheduleClient(masterSecret, appKey, proxy, conf);
+
     }
 
+
+
     /**
      * Create a JPush Client by custom Client configuration with global settings.
      *
      * If you are using JPush privacy cloud, and you want different settings from default globally,
      * maybe this constructor is what you needed.
+     * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig#setGlobalPushSetting} instead of this constructor.
      *
      * @param masterSecret API access secret of the appKey.
      * @param appKey The KEY of one application on JPush.
@@ -101,33 +134,36 @@ public JPushClient(String masterSecret, String appKey, int maxRetryTimes, HttpPr
      * @param apnsProduction Global APNs environment setting. It will override PushPayload Options.
      * @param timeToLive Global time_to_live setting. It will override PushPayload Options.
      */
+    @Deprecated
     public JPushClient(String masterSecret, String appKey, int maxRetryTimes, HttpProxy proxy, ClientConfig conf,
                        boolean apnsProduction, long timeToLive) {
-        _pushClient = new PushClient(masterSecret, appKey, maxRetryTimes, proxy, conf);
-        _reportClient = new ReportClient(masterSecret, appKey, maxRetryTimes, proxy, conf);
-        _deviceClient = new DeviceClient(masterSecret, appKey, maxRetryTimes, proxy, conf);
-        _scheduleClient = new ScheduleClient(masterSecret, appKey, maxRetryTimes, proxy, conf);
+        conf.setMaxRetryTimes(maxRetryTimes);
+        _pushClient = new PushClient(masterSecret, appKey, proxy, conf);
+        _reportClient = new ReportClient(masterSecret, appKey, proxy, conf);
+        _deviceClient = new DeviceClient(masterSecret, appKey, proxy, conf);
+        _scheduleClient = new ScheduleClient(masterSecret, appKey, proxy, conf);
         _pushClient.setDefaults(apnsProduction, timeToLive);
+
     }
     
 	/**
 	 * Create a JPush Client with global settings.
 	 * 
 	 * If you want different settings from default globally, this constructor is what you needed.
-	 * 
+	 * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig#setGlobalPushSetting} instead of this constructor.
+     *
 	 * @param masterSecret API access secret of the appKey.
 	 * @param appKey The KEY of one application on JPush.
 	 * @param apnsProduction Global APNs environment setting. It will override PushPayload Options.
 	 * @param timeToLive Global time_to_live setting. It will override PushPayload Options.
 	 */
+    @Deprecated
     public JPushClient(String masterSecret, String appKey, boolean apnsProduction, long timeToLive) {
         _pushClient = new PushClient(masterSecret, appKey, apnsProduction, timeToLive);
         _reportClient = new ReportClient(masterSecret, appKey);
         _deviceClient = new DeviceClient(masterSecret, appKey);
         _scheduleClient = new ScheduleClient(masterSecret, appKey);
     }
-    
-    
     // ----------------------------- Push API
 
     /**
diff --git a/src/main/java/cn/jpush/api/common/ClientConfig.java b/src/main/java/cn/jpush/api/common/ClientConfig.java
index 97eaf9de..20163bf1 100644
--- a/src/main/java/cn/jpush/api/common/ClientConfig.java
+++ b/src/main/java/cn/jpush/api/common/ClientConfig.java
@@ -1,12 +1,9 @@
 package cn.jpush.api.common;
 
 import java.util.HashMap;
-import java.util.Map;
 
 public class ClientConfig extends HashMap<String, Object> {
 
-    private static ClientConfig instance = new ClientConfig();
-
     public static final String DEVICE_HOST_NAME = "device.host.name";
     public static final Object DEVICE_HOST_NAME_SCHEMA = String.class;
 
@@ -46,8 +43,48 @@ public class ClientConfig extends HashMap<String, Object> {
     public static final String SCHEDULE_PATH = "schedule.path";
     public static final Object SCHEDULE_PATH_SCHEMA = String.class;
 
+    public static final String SSL_VERSION = "ssl.version";
+    public static final Object SSL_VERSION_SCHEMA = String.class;
+    public static final String DEFAULT_SSL_VERSION = "TLS";
+
+    public static final String MAX_RETRY_TIMES = "max.retry.times";
+    public static final Object MAX_RETRY_TIMES_SCHEMA = Integer.class;
+    public static final int DEFULT_MAX_RETRY_TIMES = 3;
+
+    public static final String READ_TIMEOUT = "read.timeout";
+    public static final Object READ_TIMEOUT_SCHEMA = Integer.class;
+    public static final int DEFAULT_READ_TIMEOUT = 30 * 1000;
+
+    public static final String CONNECTION_TIMEOUT = "connection.timeout";
+    public static final Object CONNECTION_TIMEOUT_SCHEMA = Integer.class;
+    public static final int DEFAULT_CONNECTION_TIMEOUT = 5 * 1000;
+
+    /**
+     * Global APNs environment setting.
+     * Setting to -1, if you want to use PushPayload Options{@link cn.jpush.api.push.model.Options#apnsProduction}.
+     * Default value is -1.
+     * Setting to 0, if you want to use global setting as development environment.
+     * Setting to 1, if you want to use global setting as production environment.
+     *
+     */
+    public static final String APNS_PRODUCTION = "apns.production";
+    public static final Object APNS_PRODUCTION_SCHEMA = Integer.class;
+    public static final int DEFAULT_APNS_PRODUCTION = -1;
+
+    /**
+     * Global time_to_live setting. Time unit is second.
+     * Setting to -1, if you want to use PushPayload Options{@link cn.jpush.api.push.model.Options#timeToLive}.
+     * Default value is -1.
+     * It will override PushPayload Options, while it is a positive integer value.
+     */
+    public static final String TIME_TO_LIVE = "time.to.live";
+    public static final Object TIME_TO_LIVE_SCHEMA = Long.class;
+    public static final long DEFAULT_TIME_TO_LIVE = -1;
+
+    private static ClientConfig instance = new ClientConfig();
+
     private ClientConfig() {
-        super(12);
+        super(32);
         this.put(DEVICE_HOST_NAME, "https://device.jpush.cn");
         this.put(DEVICES_PATH, "/v3/devices");
         this.put(TAGS_PATH, "/v3/tags");
@@ -64,26 +101,27 @@ private ClientConfig() {
 
         this.put(SCHEDULE_HOST_NAME, "https://api.jpush.cn");
         this.put(SCHEDULE_PATH, "/v3/schedules");
+
+        this.put(SSL_VERSION, DEFAULT_SSL_VERSION);
+        this.put(MAX_RETRY_TIMES, DEFULT_MAX_RETRY_TIMES);
+        this.put(READ_TIMEOUT, DEFAULT_READ_TIMEOUT);
+        this.put(CONNECTION_TIMEOUT, DEFAULT_CONNECTION_TIMEOUT);
+
+        this.put(APNS_PRODUCTION, DEFAULT_APNS_PRODUCTION);
+        this.put(TIME_TO_LIVE, DEFAULT_TIME_TO_LIVE);
+
     }
 
     public static ClientConfig getInstance() {
         return instance;
     }
 
-    public static void setDeviceHostName(Map conf, String hostName) {
-        conf.put(DEVICE_HOST_NAME, hostName);
-    }
-
     /**
      * Setup custom device api host name, if using the JPush privacy cloud.
      * @param hostName the custom api host name, default is JPush domain name
      */
     public void setDeviceHostName(String hostName) {
-        setDeviceHostName(this, hostName);
-    }
-
-    public static void setPushHostName(Map conf, String hostName) {
-        conf.put(PUSH_HOST_NAME, hostName);
+        this.put(DEVICE_HOST_NAME, hostName);
     }
 
     /**
@@ -91,11 +129,7 @@ public static void setPushHostName(Map conf, String hostName) {
      * @param hostName the custom api host name, default is JPush domain name
      */
     public void setPushHostName(String hostName) {
-        setPushHostName(this, hostName);
-    }
-
-    public static void setReportHostName(Map conf, String hostName) {
-        conf.put(REPORT_HOST_NAME, hostName);
+        this.put(PUSH_HOST_NAME, hostName);
     }
 
     /**
@@ -103,15 +137,59 @@ public static void setReportHostName(Map conf, String hostName) {
      * @param hostName the custom api host name, default is JPush domain name
      */
     public void setReportHostName(String hostName) {
-        setReportHostName(this, hostName);
+        this.put(REPORT_HOST_NAME, hostName);
     }
 
-    public static void setScheduleHostName(Map conf, String hostName) {
-        conf.put(SCHEDULE_HOST_NAME, hostName);
+    public void setScheduleHostName(String hostName) {
+        this.put(SCHEDULE_HOST_NAME, hostName);
     }
 
-    public void setScheduleHostName(String hostName) {
-        setScheduleHostName(this, hostName);
+    public void setSSLVersion(String sslVer) {
+        this.put(SSL_VERSION, sslVer);
+    }
+
+    public void setMaxRetryTimes(int maxRetryTimes) {
+        this.put(MAX_RETRY_TIMES, maxRetryTimes);
+    }
+
+    public void setReadTimeout(int readTimeout) {
+        this.put(READ_TIMEOUT, readTimeout);
+    }
+
+    public void setConnectionTimeout(int connectionTimeout) {
+        this.put(CONNECTION_TIMEOUT, connectionTimeout);
+    }
+
+    public String getSSLVersion() {
+        return (String) this.get(SSL_VERSION);
     }
 
+    public Integer getMaxRetryTimes() {
+        return (Integer) this.get(MAX_RETRY_TIMES);
+    }
+
+    public Integer getReadTimeout() {
+        return (Integer) this.get(READ_TIMEOUT);
+    }
+
+    public Integer getConnectionTimeout() {
+        return (Integer) this.get(CONNECTION_TIMEOUT);
+    }
+
+    public void setApnsProduction(boolean production) {
+        if(production) {
+            this.put(APNS_PRODUCTION, 1);
+        } else {
+            this.put(APNS_PRODUCTION, 0);
+        }
+    }
+
+    public void setTimeToLive(long timeToLive) {
+        this.put(TIME_TO_LIVE, timeToLive);
+    }
+
+    public void setGlobalPushSetting(boolean apnsProduction, long timeToLive) {
+        setApnsProduction(apnsProduction);
+        setTimeToLive(timeToLive);
+    }
 }
diff --git a/src/main/java/cn/jpush/api/common/connection/NativeHttpClient.java b/src/main/java/cn/jpush/api/common/connection/NativeHttpClient.java
index ed216cd9..d822c681 100644
--- a/src/main/java/cn/jpush/api/common/connection/NativeHttpClient.java
+++ b/src/main/java/cn/jpush/api/common/connection/NativeHttpClient.java
@@ -1,5 +1,6 @@
 package cn.jpush.api.common.connection;
 
+import cn.jpush.api.common.ClientConfig;
 import cn.jpush.api.common.resp.APIConnectionException;
 import cn.jpush.api.common.resp.APIRequestException;
 import cn.jpush.api.common.resp.ResponseWrapper;
@@ -14,6 +15,7 @@
 import java.net.*;
 import java.security.cert.CertificateException;
 import java.security.cert.X509Certificate;
+import java.text.MessageFormat;
 
 /**
  * The implementation has no connection pool mechanism, used origin java connection.
@@ -28,31 +30,34 @@ public class NativeHttpClient implements IHttpClient {
     private static final Logger LOG = LoggerFactory.getLogger(NativeHttpClient.class);
     private static final String KEYWORDS_CONNECT_TIMED_OUT = "connect timed out";
     private static final String KEYWORDS_READ_TIMED_OUT = "Read timed out";
-    
-    private int _maxRetryTimes = 0;
+
+	private final int _connectionTimeout;
+	private final int _readTimeout;
+    private final int _maxRetryTimes;
+	private final String _sslVer;
+
     private String _authCode;
     private HttpProxy _proxy;
     
-    /**
-     * 默认的重连次数是 3
-     */
-    public NativeHttpClient(String authCode) {
-        this(authCode, DEFAULT_MAX_RETRY_TIMES, null);
-    }
-    
-    public NativeHttpClient(String authCode, int maxRetryTimes, HttpProxy proxy) {
-        this._maxRetryTimes = maxRetryTimes;
-        LOG.info("Created instance with _maxRetryTimes = " + _maxRetryTimes);
-        
-        this._authCode = authCode;
-        this._proxy = proxy;
-        
+    public NativeHttpClient(String authCode, HttpProxy proxy, ClientConfig config ) {
+        _maxRetryTimes = config.getMaxRetryTimes();
+		_connectionTimeout = config.getConnectionTimeout();
+		_readTimeout = config.getReadTimeout();
+		_sslVer = config.getSSLVersion();
+
+		_authCode = authCode;
+		_proxy = proxy;
+
+		String message = MessageFormat.format("Created instance with "
+						+ "connectionTimeout {0}, readTimeout {1}, maxRetryTimes {2}, SSL Version {3}",
+				_connectionTimeout, _readTimeout, _maxRetryTimes, _sslVer);
+        LOG.info(message);
+
         if ( null != _proxy && _proxy.isAuthenticationNeeded()) {
         	Authenticator.setDefault(new SimpleProxyAuthenticator(
                 _proxy.getUsername(), _proxy.getPassword()));
         }
-        
-        initSSL();
+        initSSL(_sslVer);
     }
     
     public ResponseWrapper sendGet(String url) 
@@ -133,8 +138,8 @@ private ResponseWrapper _doRequest(String url, String content,
 			    conn = (HttpURLConnection) aUrl.openConnection();
 			}
 			
-			conn.setConnectTimeout(DEFAULT_CONNECTION_TIMEOUT);
-			conn.setReadTimeout(DEFAULT_READ_TIMEOUT);
+			conn.setConnectTimeout(_connectionTimeout);
+			conn.setReadTimeout(_readTimeout);
 			conn.setUseCaches(false);
 			conn.setRequestMethod(method.name());
 			conn.setRequestProperty("User-Agent", JPUSH_USER_AGENT);
@@ -257,11 +262,11 @@ private ResponseWrapper _doRequest(String url, String content,
 		return wrapper;
 	}
 
-	protected void initSSL() {
+	protected void initSSL(String sslVer) {
         TrustManager[] tmCerts = new javax.net.ssl.TrustManager[1];
         tmCerts[0] = new SimpleTrustManager();
 		try {
-			SSLContext sslContext = SSLContext.getInstance("TLS");
+			SSLContext sslContext = SSLContext.getInstance(sslVer);
 			sslContext.init(null, tmCerts, null);
 			HttpsURLConnection.setDefaultSSLSocketFactory(sslContext.getSocketFactory());
 			
diff --git a/src/main/java/cn/jpush/api/device/DeviceClient.java b/src/main/java/cn/jpush/api/device/DeviceClient.java
index b3e833aa..d1f21747 100644
--- a/src/main/java/cn/jpush/api/device/DeviceClient.java
+++ b/src/main/java/cn/jpush/api/device/DeviceClient.java
@@ -3,7 +3,6 @@
 import cn.jpush.api.common.ClientConfig;
 import cn.jpush.api.common.ServiceHelper;
 import cn.jpush.api.common.connection.HttpProxy;
-import cn.jpush.api.common.connection.IHttpClient;
 import cn.jpush.api.common.connection.NativeHttpClient;
 import cn.jpush.api.common.resp.*;
 import cn.jpush.api.utils.Preconditions;
@@ -27,26 +26,47 @@ public class DeviceClient {
     private String aliasesPath;
 
     public DeviceClient(String masterSecret, String appKey) {
-        this(masterSecret, appKey, IHttpClient.DEFAULT_MAX_RETRY_TIMES);
+        this(masterSecret, appKey, null, ClientConfig.getInstance());
     }
-    
+
+    /**
+     * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig#setMaxRetryTimes} instead of this constructor.
+     *
+     */
+    @Deprecated
     public DeviceClient(String masterSecret, String appKey, int maxRetryTimes) {
         this(masterSecret, appKey, maxRetryTimes, null);
     }
-    
+
+    /**
+     * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig#setMaxRetryTimes} instead of this constructor.
+     *
+     */
+    @Deprecated
     public DeviceClient(String masterSecret, String appKey, int maxRetryTimes, HttpProxy proxy) {
-        this(masterSecret, appKey, maxRetryTimes, proxy, ClientConfig.getInstance());
+        ClientConfig conf = ClientConfig.getInstance();
+        conf.setMaxRetryTimes(maxRetryTimes);
+        ServiceHelper.checkBasic(appKey, masterSecret);
+
+        hostName = (String) conf.get(ClientConfig.DEVICE_HOST_NAME);
+        devicesPath = (String) conf.get(ClientConfig.DEVICES_PATH);
+        tagsPath = (String) conf.get(ClientConfig.TAGS_PATH);
+        aliasesPath = (String) conf.get(ClientConfig.ALIASES_PATH);
+
+        String authCode = ServiceHelper.getBasicAuthorization(appKey, masterSecret);
+        _httpClient = new NativeHttpClient(authCode, proxy, conf);
+
     }
 
     /**
+     * Create a Device Client by client configuration.
      *
      * @param masterSecret API access secret of the appKey.
      * @param appKey The KEY of one application on JPush.
-     * @param maxRetryTimes Max retry times
      * @param proxy The proxy, if there is no proxy, should be null.
      * @param conf The client configuration. Can use ClientConfig.getInstance() as default.
      */
-    public DeviceClient(String masterSecret, String appKey, int maxRetryTimes, HttpProxy proxy, ClientConfig conf) {
+    public DeviceClient(String masterSecret, String appKey, HttpProxy proxy, ClientConfig conf) {
         ServiceHelper.checkBasic(appKey, masterSecret);
 
         hostName = (String) conf.get(ClientConfig.DEVICE_HOST_NAME);
@@ -55,7 +75,7 @@ public DeviceClient(String masterSecret, String appKey, int maxRetryTimes, HttpP
         aliasesPath = (String) conf.get(ClientConfig.ALIASES_PATH);
 
         String authCode = ServiceHelper.getBasicAuthorization(appKey, masterSecret);
-        _httpClient = new NativeHttpClient(authCode, maxRetryTimes, proxy);
+        _httpClient = new NativeHttpClient(authCode, proxy, conf);
     }
 
     // -------------- device 
diff --git a/src/main/java/cn/jpush/api/push/PushClient.java b/src/main/java/cn/jpush/api/push/PushClient.java
index f87a2252..835aea67 100644
--- a/src/main/java/cn/jpush/api/push/PushClient.java
+++ b/src/main/java/cn/jpush/api/push/PushClient.java
@@ -3,7 +3,6 @@
 import cn.jpush.api.common.ClientConfig;
 import cn.jpush.api.common.ServiceHelper;
 import cn.jpush.api.common.connection.HttpProxy;
-import cn.jpush.api.common.connection.IHttpClient;
 import cn.jpush.api.common.connection.NativeHttpClient;
 import cn.jpush.api.common.resp.APIConnectionException;
 import cn.jpush.api.common.resp.APIRequestException;
@@ -12,7 +11,6 @@
 import cn.jpush.api.push.model.PushPayload;
 import cn.jpush.api.utils.Preconditions;
 import cn.jpush.api.utils.StringUtils;
-
 import com.google.gson.JsonParseException;
 import com.google.gson.JsonParser;
 
@@ -36,12 +34,10 @@ public class PushClient {
     private JsonParser _jsonParser = new JsonParser();
 
     // If not present, true by default.
-    private boolean _apnsProduction = true;
+    private int _apnsProduction;
     
     // If not present, the default value is 86400(s) (one day)
-    private long _timeToLive = 60 * 60 * 24;
-    
-    private boolean _globalSettingEnabled = false;
+    private long _timeToLive;
 
     /**
      * Create a Push Client.
@@ -50,33 +46,55 @@ public class PushClient {
      * @param appKey The KEY of one application on JPush.
      */
 	public PushClient(String masterSecret, String appKey) {
-	    this(masterSecret, appKey, IHttpClient.DEFAULT_MAX_RETRY_TIMES);
+	    this(masterSecret, appKey, null, ClientConfig.getInstance());
 	}
-	
+
+    /**
+     * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig} instead of this constructor.
+     */
+    @Deprecated
 	public PushClient(String masterSecret, String appKey, int maxRetryTimes) {
 	    this(masterSecret, appKey, maxRetryTimes, null);
 	}
 	
 	/**
 	 * Create a Push Client with max retry times.
-	 * 
+	 * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig} instead of this constructor.
+     *
 	 * @param masterSecret  API access secret of the appKey.
 	 * @param appKey The KEY of one application on JPush.
 	 * @param maxRetryTimes max retry times
 	 */
+    @Deprecated
 	public PushClient(String masterSecret, String appKey, int maxRetryTimes, HttpProxy proxy) {
-        this(masterSecret, appKey, maxRetryTimes, proxy, ClientConfig.getInstance());
+        ServiceHelper.checkBasic(appKey, masterSecret);
+
+        ClientConfig conf = ClientConfig.getInstance();
+        conf.setMaxRetryTimes(maxRetryTimes);
+
+        this._baseUrl = (String) conf.get(ClientConfig.PUSH_HOST_NAME);
+        this._pushPath = (String) conf.get(ClientConfig.PUSH_PATH);
+        this._pushValidatePath = (String) conf.get(ClientConfig.PUSH_VALIDATE_PATH);
+
+        this._apnsProduction = (Integer) conf.get(ClientConfig.APNS_PRODUCTION);
+        this._timeToLive = (Long) conf.get(ClientConfig.TIME_TO_LIVE);
+
+        String authCode = ServiceHelper.getBasicAuthorization(appKey, masterSecret);
+        this._httpClient = new NativeHttpClient(authCode, proxy, conf);
 	}
 
-    public PushClient(String masterSecret, String appKey, int maxRetryTimes, HttpProxy proxy, ClientConfig conf) {
+    public PushClient(String masterSecret, String appKey, HttpProxy proxy, ClientConfig conf) {
         ServiceHelper.checkBasic(appKey, masterSecret);
 
         this._baseUrl = (String) conf.get(ClientConfig.PUSH_HOST_NAME);
         this._pushPath = (String) conf.get(ClientConfig.PUSH_PATH);
         this._pushValidatePath = (String) conf.get(ClientConfig.PUSH_VALIDATE_PATH);
 
+        this._apnsProduction = (Integer) conf.get(ClientConfig.APNS_PRODUCTION);
+        this._timeToLive = (Long) conf.get(ClientConfig.TIME_TO_LIVE);
+
         String authCode = ServiceHelper.getBasicAuthorization(appKey, masterSecret);
-        this._httpClient = new NativeHttpClient(authCode, maxRetryTimes, proxy);
+        this._httpClient = new NativeHttpClient(authCode, proxy, conf);
 
     }
 
@@ -84,24 +102,38 @@ public PushClient(String masterSecret, String appKey, int maxRetryTimes, HttpPro
      * Create a Push Client with global settings.
      * 
      * If you want different settings from default globally, this constructor is what you needed.
-     * 
+     * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig} instead of this constructor.
+     *
      * @param masterSecret API access secret of the appKey.
      * @param appKey The KEY of one application on JPush.
      * @param apnsProduction Global APNs environment setting. It will override PushPayload Options.
      * @param timeToLive Global time_to_live setting. It will override PushPayload Options.
      */
+    @Deprecated
     public PushClient(String masterSecret, String appKey, boolean apnsProduction, long timeToLive) {
         this(masterSecret, appKey);
-        
-        this._apnsProduction = apnsProduction;
+        if(apnsProduction) {
+            _apnsProduction = 1;
+        } else {
+            _apnsProduction = 0;
+        }
         this._timeToLive = timeToLive;
-        this._globalSettingEnabled = true;
     }
-    
+
+    /**
+     * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig#setGlobalPushSetting} instead of this method.
+     *
+     * @param apnsProduction Global APNs environment setting. It will override PushPayload Options.
+     * @param timeToLive Global time_to_live setting. It will override PushPayload Options.
+     */
+    @Deprecated
     public void setDefaults(boolean apnsProduction, long timeToLive) {
-        this._apnsProduction = apnsProduction;
+        if(apnsProduction) {
+            _apnsProduction = 1;
+        } else {
+            _apnsProduction = 0;
+        }
         this._timeToLive = timeToLive;
-        this._globalSettingEnabled = true;
     }
     
     public void setBaseUrl(String baseUrl) {
@@ -111,11 +143,16 @@ public void setBaseUrl(String baseUrl) {
     public PushResult sendPush(PushPayload pushPayload) throws APIConnectionException, APIRequestException {
         Preconditions.checkArgument(! (null == pushPayload), "pushPayload should not be null");
         
-        if (_globalSettingEnabled) {
+        if (_apnsProduction > 0) {
+            pushPayload.resetOptionsApnsProduction(true);
+        } else if(_apnsProduction == 0) {
+            pushPayload.resetOptionsApnsProduction(false);
+        }
+
+        if (_timeToLive >= 0) {
             pushPayload.resetOptionsTimeToLive(_timeToLive);
-            pushPayload.resetOptionsApnsProduction(_apnsProduction);
         }
-        
+
         ResponseWrapper response = _httpClient.sendPost(_baseUrl + _pushPath, pushPayload.toString());
         
         return BaseResult.fromResponse(response, PushResult.class);
@@ -124,9 +161,14 @@ public PushResult sendPush(PushPayload pushPayload) throws APIConnectionExceptio
     public PushResult sendPushValidate(PushPayload pushPayload) throws APIConnectionException, APIRequestException {
         Preconditions.checkArgument(! (null == pushPayload), "pushPayload should not be null");
         
-        if (_globalSettingEnabled) {
+        if (_apnsProduction > 0) {
+            pushPayload.resetOptionsApnsProduction(true);
+        } else if(_apnsProduction == 0) {
+            pushPayload.resetOptionsApnsProduction(false);
+        }
+
+        if (_timeToLive >= 0) {
             pushPayload.resetOptionsTimeToLive(_timeToLive);
-            pushPayload.resetOptionsApnsProduction(_apnsProduction);
         }
         
         ResponseWrapper response = _httpClient.sendPost(_baseUrl + _pushValidatePath, pushPayload.toString());
@@ -162,7 +204,6 @@ public PushResult sendPushValidate(String payloadString) throws APIConnectionExc
         return BaseResult.fromResponse(response, PushResult.class);
     }
 
-
 }
 
 
diff --git a/src/main/java/cn/jpush/api/report/ReportClient.java b/src/main/java/cn/jpush/api/report/ReportClient.java
index 5c09b31e..1ac997c3 100644
--- a/src/main/java/cn/jpush/api/report/ReportClient.java
+++ b/src/main/java/cn/jpush/api/report/ReportClient.java
@@ -1,13 +1,9 @@
 package cn.jpush.api.report;
 
-import java.net.URLEncoder;
-import java.util.regex.Pattern;
-
 import cn.jpush.api.common.ClientConfig;
 import cn.jpush.api.common.ServiceHelper;
 import cn.jpush.api.common.TimeUnit;
 import cn.jpush.api.common.connection.HttpProxy;
-import cn.jpush.api.common.connection.IHttpClient;
 import cn.jpush.api.common.connection.NativeHttpClient;
 import cn.jpush.api.common.resp.APIConnectionException;
 import cn.jpush.api.common.resp.APIRequestException;
@@ -15,6 +11,9 @@
 import cn.jpush.api.common.resp.ResponseWrapper;
 import cn.jpush.api.utils.StringUtils;
 
+import java.net.URLEncoder;
+import java.util.regex.Pattern;
+
 public class ReportClient {    
 
     private final NativeHttpClient _httpClient;
@@ -24,18 +23,39 @@ public class ReportClient {
     private String _messagePath;
 
     public ReportClient(String masterSecret, String appKey) {
-        this(masterSecret, appKey, IHttpClient.DEFAULT_MAX_RETRY_TIMES, null);
+        this(masterSecret, appKey, null, ClientConfig.getInstance());
     }
-    
+
+    /**
+     * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig#setMaxRetryTimes} instead of this constructor.
+     *
+     */
+    @Deprecated
 	public ReportClient(String masterSecret, String appKey, int maxRetryTimes) {
 	    this(masterSecret, appKey, maxRetryTimes, null);
 	}
-	
+
+    /**
+     * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig#setMaxRetryTimes} instead of this constructor.
+     *
+     */
+    @Deprecated
 	public ReportClient(String masterSecret, String appKey, int maxRetryTimes, HttpProxy proxy) {
-        this(masterSecret, appKey, maxRetryTimes, proxy, ClientConfig.getInstance());
+        ServiceHelper.checkBasic(appKey, masterSecret);
+
+        ClientConfig conf = ClientConfig.getInstance();
+        conf.setMaxRetryTimes(maxRetryTimes);
+
+        _hostName = (String) conf.get(ClientConfig.REPORT_HOST_NAME);
+        _receivePath = (String) conf.get(ClientConfig.REPORT_RECEIVE_PATH);
+        _userPath = (String) conf.get(ClientConfig.REPORT_USER_PATH);
+        _messagePath = (String) conf.get(ClientConfig.REPORT_MESSAGE_PATH);
+
+        String authCode = ServiceHelper.getBasicAuthorization(appKey, masterSecret);
+        _httpClient = new NativeHttpClient(authCode, proxy, conf);
 	}
 
-    public ReportClient(String masterSecret, String appKey, int maxRetryTimes, HttpProxy proxy, ClientConfig conf) {
+    public ReportClient(String masterSecret, String appKey, HttpProxy proxy, ClientConfig conf) {
         ServiceHelper.checkBasic(appKey, masterSecret);
 
         _hostName = (String) conf.get(ClientConfig.REPORT_HOST_NAME);
@@ -44,7 +64,7 @@ public ReportClient(String masterSecret, String appKey, int maxRetryTimes, HttpP
         _messagePath = (String) conf.get(ClientConfig.REPORT_MESSAGE_PATH);
 
         String authCode = ServiceHelper.getBasicAuthorization(appKey, masterSecret);
-        _httpClient = new NativeHttpClient(authCode, maxRetryTimes, proxy);
+        _httpClient = new NativeHttpClient(authCode, proxy, conf);
     }
 	
 	
diff --git a/src/main/java/cn/jpush/api/schedule/ScheduleClient.java b/src/main/java/cn/jpush/api/schedule/ScheduleClient.java
index 3219e748..fd492b14 100644
--- a/src/main/java/cn/jpush/api/schedule/ScheduleClient.java
+++ b/src/main/java/cn/jpush/api/schedule/ScheduleClient.java
@@ -3,7 +3,6 @@
 import cn.jpush.api.common.ClientConfig;
 import cn.jpush.api.common.ServiceHelper;
 import cn.jpush.api.common.connection.HttpProxy;
-import cn.jpush.api.common.connection.IHttpClient;
 import cn.jpush.api.common.connection.NativeHttpClient;
 import cn.jpush.api.common.resp.APIConnectionException;
 import cn.jpush.api.common.resp.APIRequestException;
@@ -23,32 +22,50 @@ public class ScheduleClient {
     private String schedulePath;
 
     public ScheduleClient(String masterSecret, String appkey) {
-        this(masterSecret, appkey, IHttpClient.DEFAULT_MAX_RETRY_TIMES, null, ClientConfig.getInstance());
+        this(masterSecret, appkey, null, ClientConfig.getInstance());
     }
 
+    /**
+     * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig#setMaxRetryTimes} instead of this constructor.
+     *
+     */
+    @Deprecated
     public ScheduleClient(String masterSecret, String appKey, int maxRetryTimes) {
-        this(masterSecret, appKey, maxRetryTimes, null, ClientConfig.getInstance());
+        this(masterSecret, appKey, maxRetryTimes, null);
     }
 
+    /**
+     * This will be removed in the future. Please use ClientConfig{@link cn.jpush.api.common.ClientConfig#setMaxRetryTimes} instead of this constructor.
+     *
+     */
+    @Deprecated
     public ScheduleClient(String masterSecret, String appKey, int maxRetryTimes, HttpProxy proxy) {
-        this(masterSecret, appKey, maxRetryTimes, proxy, ClientConfig.getInstance());
+        ServiceHelper.checkBasic(appKey, masterSecret);
+
+        ClientConfig conf = ClientConfig.getInstance();
+        conf.setMaxRetryTimes(maxRetryTimes);
+
+        hostName = (String) conf.get(ClientConfig.SCHEDULE_HOST_NAME);
+        schedulePath = (String) conf.get(ClientConfig.SCHEDULE_PATH);
+
+        String authCode = ServiceHelper.getBasicAuthorization(appKey, masterSecret);
+        this._httpClient = new NativeHttpClient(authCode, proxy, conf);
     }
 
     /**
      * Create a Schedule Client with custom configuration.
      * @param masterSecret API access secret of the appKey.
      * @param appKey The KEY of one application on JPush.
-     * @param maxRetryTimes Max retry times
      * @param proxy The proxy, if there is no proxy, should be null.
      * @param conf The client configuration. Can use ClientConfig.getInstance() as default.
      */
-    public ScheduleClient(String masterSecret, String appKey, int maxRetryTimes, HttpProxy proxy, ClientConfig conf) {
+    public ScheduleClient(String masterSecret, String appKey, HttpProxy proxy, ClientConfig conf) {
         ServiceHelper.checkBasic(appKey, masterSecret);
         hostName = (String) conf.get(ClientConfig.SCHEDULE_HOST_NAME);
         schedulePath = (String) conf.get(ClientConfig.SCHEDULE_PATH);
 
         String authCode = ServiceHelper.getBasicAuthorization(appKey, masterSecret);
-        this._httpClient = new NativeHttpClient(authCode, maxRetryTimes, proxy);
+        this._httpClient = new NativeHttpClient(authCode, proxy, conf);
     }
 
     public ScheduleResult createSchedule(SchedulePayload payload) throws APIConnectionException, APIRequestException {