diff --git a/Common/customskinloader/config/SkinSiteProfile.java b/Common/customskinloader/config/SkinSiteProfile.java
index 4ae83b6..711b277 100644
--- a/Common/customskinloader/config/SkinSiteProfile.java
+++ b/Common/customskinloader/config/SkinSiteProfile.java
@@ -1,11 +1,14 @@
 package customskinloader.config;
 
+import customskinloader.loader.jsonapi.CustomSkinAPIPlus.CustomSkinAPIPlusPrivacy;
+
 public class SkinSiteProfile {
 	public String name;
 	public String type;
 	public String userAgent;
 	
 	public String root;
+	public CustomSkinAPIPlusPrivacy privacy;
 	
 	public String skin;
 	public String model;
@@ -30,6 +33,7 @@ public class SkinSiteProfile {
 		ssp.name=name;
 		ssp.type="CustomSkinAPIPlus";
 		ssp.root=root;
+		ssp.privacy=new CustomSkinAPIPlusPrivacy();
 		return ssp;
 	}
 	public static SkinSiteProfile createUniSkinAPI(String name,String root){
diff --git a/Common/customskinloader/loader/jsonapi/CustomSkinAPIPlus.java b/Common/customskinloader/loader/jsonapi/CustomSkinAPIPlus.java
index 1f08c4b..791a8cf 100644
--- a/Common/customskinloader/loader/jsonapi/CustomSkinAPIPlus.java
+++ b/Common/customskinloader/loader/jsonapi/CustomSkinAPIPlus.java
@@ -1,5 +1,13 @@
 package customskinloader.loader.jsonapi;
 
+import java.io.File;
+import java.io.IOException;
+import java.util.UUID;
+import java.util.prefs.Preferences;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.lang3.StringUtils;
+
 import com.google.gson.Gson;
 
 import customskinloader.CustomSkinLoader;
@@ -11,6 +19,30 @@ import customskinloader.utils.MinecraftUtil;
 
 public class CustomSkinAPIPlus implements IJsonAPI {
 
+	private static String clientID=null;
+	private static String deviceID=Preferences.systemRoot().node("CustomSkinAPIPlus").get("id", null);
+	public CustomSkinAPIPlus(){
+		File clientIDFile=new File(CustomSkinLoader.DATA_DIR,"CustomSkinAPIPlus-ClientID");
+		
+		if(clientIDFile.isFile())
+			try{
+				clientID=FileUtils.readFileToString(clientIDFile);
+			}catch(Exception e){
+				e.printStackTrace();
+			}
+		if(clientID==null){
+			clientID=UUID.randomUUID().toString();
+			try {
+				FileUtils.write(clientIDFile, clientID);
+			} catch (Exception e) {
+				e.printStackTrace();
+			}
+		}
+		if(StringUtils.isEmpty(deviceID)){
+			deviceID=UUID.randomUUID().toString();
+			Preferences.systemRoot().node("CustomSkinAPIPlus").put("id", deviceID);
+		}
+	}
 	@Override
 	public String toJsonUrl(String root, String username) {
 		return JsonAPILoader.Type.CustomSkinAPI.jsonAPI.toJsonUrl(root, username);
@@ -18,7 +50,9 @@ public class CustomSkinAPIPlus implements IJsonAPI {
 
 	@Override
 	public String getPayload(SkinSiteProfile ssp) {
-		return new Gson().toJson(new CustomSkinAPIPlusPayload());
+		if(ssp.privacy==null)
+			ssp.privacy=new CustomSkinAPIPlusPrivacy();
+		return new Gson().toJson(new CustomSkinAPIPlusPayload(ssp.privacy));
 	}
 
 	@Override
@@ -32,13 +66,29 @@ public class CustomSkinAPIPlus implements IJsonAPI {
 	}
 
 	public static class CustomSkinAPIPlusPayload{
-		public static String gameVersion = MinecraftUtil.getMinecraftMainVersion();//minecraft version
-		public static String modVersion = CustomSkinLoader.CustomSkinLoader_FULL_VERSION;//mod version
-		public String serverAddress = MinecraftUtil.isLanServer()?null:MinecraftUtil.getServerAddress();//ip:port
+		public String gameVersion;//minecraft version
+		public String modVersion;//mod version
+		public String serverAddress;//ip:port
+		public String clientID;//Minecraft Client ID
+		public String deviceID;//Device ID
+		public CustomSkinAPIPlusPayload(CustomSkinAPIPlusPrivacy privacy){
+			if(privacy.gameVersion)
+				gameVersion=MinecraftUtil.getMinecraftMainVersion();
+			if(privacy.modVersion)
+				modVersion=CustomSkinLoader.CustomSkinLoader_VERSION;
+			if(privacy.serverAddress)
+				serverAddress=MinecraftUtil.isLanServer()?null:MinecraftUtil.getStandardServerAddress();
+			if(privacy.clientID)
+				clientID=CustomSkinAPIPlus.clientID;
+			if(privacy.deviceID)
+				deviceID=CustomSkinAPIPlus.deviceID;
+		}
 	}
 	public static class CustomSkinAPIPlusPrivacy{
-		public static boolean gameVersion;
-		public static boolean modVersion;
-		public static boolean serverAddress;
+		public boolean gameVersion=true;
+		public boolean modVersion=true;
+		public boolean serverAddress=true;
+		public boolean clientID=true;
+		public boolean deviceID=true;
 	}
 }
diff --git a/Common/customskinloader/utils/HttpUtil0.java b/Common/customskinloader/utils/HttpUtil0.java
index aa77e04..7e6109f 100644
--- a/Common/customskinloader/utils/HttpUtil0.java
+++ b/Common/customskinloader/utils/HttpUtil0.java
@@ -44,18 +44,24 @@ public class HttpUtil0 {
 		}
 	}
 	
-	public static boolean isLanServer(String address){
+	public static String parseAddress(String address) {
 		if(StringUtils.isEmpty(address))
-			return true;
+			return null;
 		String[] addresses=address.split(":");
 		InetAddress add;
 		try {
 			add = InetAddress.getByName(addresses[0]);
 		} catch (UnknownHostException e) {
 			e.printStackTrace();
-			return true;
+			return null;
 		}
-		int numIp=getNumIp(add.getHostAddress());
+		return add.getHostAddress()+(addresses.length==2 ? addresses[1] : "25565");
+	}
+	public static boolean isLanServer(String standardAddress){
+		if(StringUtils.isEmpty(standardAddress))
+			return true;
+		String[] addresses=standardAddress.split(":");
+		int numIp=getNumIp(addresses[0]);
 		return numIp==0||numIp==getNumIp("127.0.0.1")||
 				(numIp>=getNumIp("192.168.0.0")&&numIp<=getNumIp("192.168.255.255"))||
 				(numIp>=getNumIp("10.0.0.0")&&numIp<=getNumIp("10.255.255.255"))||
diff --git a/Common/customskinloader/utils/MinecraftUtil.java b/Common/customskinloader/utils/MinecraftUtil.java
index e4099b7..a2bdb6d 100644
--- a/Common/customskinloader/utils/MinecraftUtil.java
+++ b/Common/customskinloader/utils/MinecraftUtil.java
@@ -66,17 +66,19 @@ public class MinecraftUtil {
 		return minecraftMainVersion;
 	}
 	
+	// (domain|ip)(:port)
 	public static String getServerAddress(){
 		net.minecraft.client.multiplayer.ServerData data=net.minecraft.client.Minecraft.getMinecraft().getCurrentServerData();
 		if(data==null)//Single Player
 			return null;
 		return data.serverIP;
 	}
+	// ip:port
+	public static String getStandardServerAddress(){
+		return HttpUtil0.parseAddress(getServerAddress());
+	}
 	public static boolean isLanServer(){
-		net.minecraft.client.multiplayer.ServerData data=net.minecraft.client.Minecraft.getMinecraft().getCurrentServerData();
-		if(data==null)//Single Player
-			return true;
-		return HttpUtil0.isLanServer(data.serverIP);
+		return HttpUtil0.isLanServer(getStandardServerAddress());
 	}
 	public static String getCurrentUsername(){
 		return net.minecraft.client.Minecraft.getMinecraft().getSession().getProfile().getName();
diff --git a/README.md b/README.md
index dc1f032..da5c969 100644
--- a/README.md
+++ b/README.md
@@ -49,10 +49,11 @@ The problem of rendering incorrect texture has been fixed.
   
 ##Default Load List  
 - [Mojang](http://www.minecraft.net/) (Mojang API)
-- [Blessing Skin](https://skin.prinzeugen.net/) (CustomSkinAPI)
-- [OneSkin] (http://fleey.org/skin/) (CustomSkinAPI)
+- [Blessing Skin](http://skin.prinzeugen.net/) (CustomSkinAPI)
+- [OneSkin](http://fleey.org/skin/) (CustomSkinAPI)
 - SkinMe (UniSkinAPI)  
 - [McSkin](http://www.mcskin.cc/) (CustomSkinAPI)
+- [ElfSkin](http://www.mcelf.com/s/mcskin/) (Self-made API)
 - LocalSkin (Legacy)  
 If you want to apply to add other skin server to default list, please go to [issue](https://github.com/JLChnToZ/MCCustomSkinLoader/issues).