diff --git a/pom.xml b/pom.xml
index 0f67578..d6bd0fc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -79,7 +79,12 @@
             <artifactId>javase</artifactId>
             <version>3.3.3</version>
         </dependency>
-
+        <!--lombok简化开发-->
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.16.20</version>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/src/main/java/com/hotlcc/wechat4j/Wechat.java b/src/main/java/com/hotlcc/wechat4j/Wechat.java
index 4f2ba46..b88a36a 100644
--- a/src/main/java/com/hotlcc/wechat4j/Wechat.java
+++ b/src/main/java/com/hotlcc/wechat4j/Wechat.java
@@ -28,8 +28,7 @@ import org.slf4j.LoggerFactory;
 
 import java.io.File;
 import java.io.IOException;
-import java.io.OutputStream;
-import java.io.PrintStream;
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
@@ -183,24 +182,24 @@ public class Wechat {
     /**
      * 获取uuid（登录时）
      *
-     * @param ps
+     * @param pw
      * @param time
      * @return
      */
-    private String getWxUuid(PrintStream ps, int time) {
-        ps.print("尝试正常方式获取uuid...");
-        ps.flush();
+    private String getWxUuid(PrintWriter pw, int time) {
+        pw.print("尝试正常方式获取uuid...");
+        pw.flush();
 
         for (int i = 0; i <= time; i++) {
             if (i > 0) {
-                ps.print("\t第" + i + "次尝试...");
-                ps.flush();
+                pw.print("\t第" + i + "次尝试...");
+                pw.flush();
             }
             JSONObject result = webWeixinApi.getWxUuid(httpClient);
 
             if (result == null) {
-                ps.println("\t失败：出现异常");
-                ps.flush();
+                pw.println("\t失败：出现异常");
+                pw.flush();
                 return null;
             }
 
@@ -208,23 +207,23 @@ public class Wechat {
             String uuid = result.getString("uuid");
             if (!"200".equals(code)) {
                 String msg = result.getString("msg");
-                ps.println("\t失败：" + msg);
-                ps.flush();
+                pw.println("\t失败：" + msg);
+                pw.flush();
                 return null;
             }
 
             if (StringUtil.isEmpty(uuid)) {
-                ps.print("\t失败");
+                pw.print("\t失败");
                 if (i == 0 && time > 0) {
-                    ps.print("，将重复尝试" + time + "次");
+                    pw.print("，将重复尝试" + time + "次");
                 }
-                ps.println();
-                ps.flush();
+                pw.println();
+                pw.flush();
                 continue;
             }
 
-            ps.println("\t成功，值为：" + uuid);
-            ps.flush();
+            pw.println("\t成功，值为：" + uuid);
+            pw.flush();
             return uuid;
         }
         return null;
@@ -235,35 +234,35 @@ public class Wechat {
      *
      * @return
      */
-    private boolean getAndShowQRCode(PrintStream ps, String uuid, int time) {
-        ps.print("获取二维码...");
-        ps.flush();
+    private boolean getAndShowQRCode(PrintWriter pw, String uuid, int time) {
+        pw.print("获取二维码...");
+        pw.flush();
 
         for (int i = 0; i <= time; i++) {
             if (i > 0) {
-                ps.print("\t第" + i + "次尝试...");
-                ps.flush();
+                pw.print("\t第" + i + "次尝试...");
+                pw.flush();
             }
 
             byte[] data = webWeixinApi.getQR(httpClient, uuid);
 
             if (data == null || data.length <= 0) {
-                ps.print("\t失败");
+                pw.print("\t失败");
                 if (i == 0 && time > 0) {
-                    ps.print("，将重新获取uuid并重复尝试" + time + "次");
+                    pw.print("，将重新获取uuid并重复尝试" + time + "次");
                 }
-                ps.println();
-                ps.flush();
-                getWxUuid(ps, 0);
+                pw.println();
+                pw.flush();
+                getWxUuid(pw, 0);
 
                 CommonUtil.threadSleep(2000);
                 continue;
             }
 
-            ps.println("\t成功，请扫描二维码：");
-            ps.flush();
-            ps.println(QRCodeUtil.toCharMatrix(data));
-            ps.flush();
+            pw.println("\t成功，请扫描二维码：");
+            pw.flush();
+            pw.println(QRCodeUtil.toCharMatrix(data));
+            pw.flush();
             QRCodeUtil.openQRCodeImage(data);
             return true;
         }
@@ -276,39 +275,39 @@ public class Wechat {
      *
      * @return
      */
-    private JSONObject waitForConfirm(PrintStream ps, String uuid) {
-        ps.print("等待手机端扫码...");
-        ps.flush();
+    private JSONObject waitForConfirm(PrintWriter pw, String uuid) {
+        pw.print("等待手机端扫码...");
+        pw.flush();
 
         boolean flag = false;
         while (true) {
             JSONObject result = webWeixinApi.getRedirectUri(httpClient, LoginTipEnum.TIP_0, uuid);
             if (result == null) {
-                ps.println("\t失败：出现异常");
-                ps.flush();
+                pw.println("\t失败：出现异常");
+                pw.flush();
                 return null;
             }
 
             String code = result.getString("code");
             if ("408".equals(code)) {
-                ps.print(".");
-                ps.flush();
+                pw.print(".");
+                pw.flush();
                 continue;
             } else if ("400".equals(code)) {
-                ps.println("\t失败，二维码失效");
-                ps.flush();
+                pw.println("\t失败，二维码失效");
+                pw.flush();
                 return null;
             } else if ("201".equals(code)) {
                 if (!flag) {
-                    ps.println();
-                    ps.print("请确认登录...");
-                    ps.flush();
+                    pw.println();
+                    pw.print("请确认登录...");
+                    pw.flush();
                     flag = true;
                 }
                 continue;
             } else if ("200".equals(code)) {
-                ps.println("\t成功，认证完成");
-                ps.flush();
+                pw.println("\t成功，认证完成");
+                pw.flush();
                 return result;
             } else {
                 return null;
@@ -319,21 +318,21 @@ public class Wechat {
     /**
      * 获取登录认证码（登录时）
      */
-    private boolean getLoginCode(PrintStream ps, String redirectUri) {
-        ps.print("获取登录认证码...");
-        ps.flush();
+    private boolean getLoginCode(PrintWriter pw, String redirectUri) {
+        pw.print("获取登录认证码...");
+        pw.flush();
 
         JSONObject result = webWeixinApi.getLoginCode(httpClient, redirectUri);
         if (result == null) {
-            ps.println("\t失败：出现异常");
-            ps.flush();
+            pw.println("\t失败：出现异常");
+            pw.flush();
             return false;
         }
 
         String ret = result.getString("ret");
         if (!"0".equals(ret)) {
-            ps.println("\t失败：错误的返回码(" + ret + ")");
-            ps.flush();
+            pw.println("\t失败：错误的返回码(" + ret + ")");
+            pw.flush();
             return false;
         }
 
@@ -342,8 +341,8 @@ public class Wechat {
         skey = result.getString("skey");
         wxuin = result.getString("wxuin");
 
-        ps.println("\t成功");
-        ps.flush();
+        pw.println("\t成功");
+        pw.flush();
 
         return true;
     }
@@ -351,37 +350,37 @@ public class Wechat {
     /**
      * push方式获取uuid（登录时）
      *
-     * @param ps
+     * @param pw
      * @param wxuin
      * @return
      */
-    private String getWxUuid(PrintStream ps, String wxuin) {
-        ps.print("尝试push方式获取uuid...");
-        ps.flush();
+    private String getWxUuid(PrintWriter pw, String wxuin) {
+        pw.print("尝试push方式获取uuid...");
+        pw.flush();
 
         JSONObject result = webWeixinApi.pushLogin(httpClient, urlVersion, wxuin);
         if (result == null) {
-            ps.println("\t失败：出现异常");
-            ps.flush();
+            pw.println("\t失败：出现异常");
+            pw.flush();
             return null;
         }
 
         String ret = result.getString("ret");
         if (!"0".equals(ret)) {
-            ps.println("\t失败：错误的返回码(" + ret + ")");
-            ps.flush();
+            pw.println("\t失败：错误的返回码(" + ret + ")");
+            pw.flush();
             return null;
         }
 
         String uuid = result.getString("uuid");
         if (StringUtil.isEmpty(uuid)) {
-            ps.println("\t失败：空值");
-            ps.flush();
+            pw.println("\t失败：空值");
+            pw.flush();
             return null;
         }
 
-        ps.println("\t成功，值为：" + uuid);
-        ps.flush();
+        pw.println("\t成功，值为：" + uuid);
+        pw.flush();
 
         return uuid;
     }
@@ -418,30 +417,30 @@ public class Wechat {
      *
      * @return
      */
-    private boolean wxInitWithRetry(PrintStream ps, int time) {
-        ps.print("正在初始化数据...");
-        ps.flush();
+    private boolean wxInitWithRetry(PrintWriter pw, int time) {
+        pw.print("正在初始化数据...");
+        pw.flush();
 
         for (int i = 0; i <= time; i++) {
             if (i > 0) {
-                ps.print("\t第" + i + "次尝试...");
-                ps.flush();
+                pw.print("\t第" + i + "次尝试...");
+                pw.flush();
             }
 
             if (!wxInit()) {
-                ps.print("\t失败");
+                pw.print("\t失败");
                 if (i == 0 && time > 0) {
-                    ps.print("，将重复尝试" + time + "次");
+                    pw.print("，将重复尝试" + time + "次");
                 }
-                ps.println();
-                ps.flush();
+                pw.println();
+                pw.flush();
 
                 CommonUtil.threadSleep(2000);
                 continue;
             }
 
-            ps.println("\t成功");
-            ps.flush();
+            pw.println("\t成功");
+            pw.flush();
 
             return true;
         }
@@ -480,18 +479,15 @@ public class Wechat {
     /**
      * 自动登录
      */
-    public boolean autoLogin(OutputStream os, boolean tryPushLogin) {
+    public boolean autoLogin(PrintWriter pw, boolean tryPushLogin) {
         // 0、获取消息打印流
-        PrintStream ps = null;
-        if (os != null) {
-            ps = new PrintStream(os);
-        } else {
-            ps = System.out;
+        if (pw == null) {
+            pw = new PrintWriter(System.out);
         }
 
         // 1、判断是否已经登录
         if (isOnline) {
-            ps.println("当前已是登录状态，无需登录");
+            pw.println("当前已是登录状态，无需登录");
             return true;
         }
 
@@ -502,45 +498,45 @@ public class Wechat {
         // 2.1、获取uuid
         String uuid = null;
         if (tryPushLogin && StringUtil.isNotEmpty(wxuin)) {
-            uuid = getWxUuid(ps, wxuin);
+            uuid = getWxUuid(pw, wxuin);
         }
         if (StringUtil.isEmpty(uuid)) {
-            uuid = getWxUuid(ps, time);
+            uuid = getWxUuid(pw, time);
         }
         if (StringUtil.isEmpty(uuid)) {
-            ps.println("无法获取uuid，登录不成功");
-            ps.flush();
+            pw.println("无法获取uuid，登录不成功");
+            pw.flush();
             return false;
         }
         // 2.2、获取并显示二维码
-        if (!getAndShowQRCode(ps, uuid, time)) {
-            ps.println("无法获取二维码，登录不成功");
-            ps.flush();
+        if (!getAndShowQRCode(pw, uuid, time)) {
+            pw.println("无法获取二维码，登录不成功");
+            pw.flush();
             return false;
         }
         // 2.3、等待确认
-        result = waitForConfirm(ps, uuid);
+        result = waitForConfirm(pw, uuid);
         if (result == null) {
-            ps.println("手机端认证失败，登录不成功");
-            ps.flush();
+            pw.println("手机端认证失败，登录不成功");
+            pw.flush();
             return false;
         }
         urlVersion = result.getString("urlVersion");
         // 2.4、获取登录认证码
-        if (!getLoginCode(ps, result.getString("redirectUri"))) {
-            ps.println("无法获取登录认证码，登录不成功");
-            ps.flush();
+        if (!getLoginCode(pw, result.getString("redirectUri"))) {
+            pw.println("无法获取登录认证码，登录不成功");
+            pw.flush();
             return false;
         }
 
         // 3、初始化数据
-        if (!wxInitWithRetry(ps, time)) {
-            ps.println("初始化数据失败，请重新登录");
-            ps.flush();
+        if (!wxInitWithRetry(pw, time)) {
+            pw.println("初始化数据失败，请重新登录");
+            pw.flush();
             return false;
         }
-        ps.println("微信登录成功，欢迎你：" + getLoginUserNickName(false));
-        ps.flush();
+        pw.println("微信登录成功，欢迎你：" + getLoginUserNickName(false));
+        pw.flush();
 
         try {
             isOnlineLock.lock();
@@ -569,17 +565,21 @@ public class Wechat {
      * 退出登录
      */
     public void logout(boolean clearAllLoginInfo) {
-        try {
-            isOnlineLock.lock();
+        if (isOnline) {
+            try {
+                isOnlineLock.lock();
 
-            webWeixinApi.logout(httpClient, urlVersion, new BaseRequest(wxsid, skey, wxuin));
-            isOnline = false;
+                if (isOnline) {
+                    webWeixinApi.logout(httpClient, urlVersion, new BaseRequest(wxsid, skey, wxuin));
+                    isOnline = false;
 
-            if (clearAllLoginInfo) {
-                clearAllLoginInfo();
+                    if (clearAllLoginInfo) {
+                        clearAllLoginInfo();
+                    }
+                }
+            } finally {
+                isOnlineLock.unlock();
             }
-        } finally {
-            isOnlineLock.unlock();
         }
     }
 
@@ -640,7 +640,6 @@ public class Wechat {
                 long start = System.currentTimeMillis();
 
                 try {
-                    //API调用异常导致退出
                     JSONObject result = webWeixinApi.syncCheck(httpClient, urlVersion, new BaseRequest(wxsid, skey, wxuin), getSyncKeyList(false));
                     logger.debug("微信同步监听心跳返回数据：{}", result);
                     if (result == null) {
@@ -743,7 +742,7 @@ public class Wechat {
             try {
                 SelectorEnum e = SelectorEnum.valueOf(selector);
                 if (e == null) {
-                    logger.warn("Cannot process selector for error selector {}", selector);
+                    logger.warn("Cannot process unknow selector {}", selector);
                     return;
                 }
 
@@ -755,6 +754,8 @@ public class Wechat {
                         break;
                     case SELECTOR_4:
                         break;
+                    case SELECTOR_6:
+                        break;
                     case SELECTOR_7:
                         break;
                     default:
@@ -813,36 +814,24 @@ public class Wechat {
          */
         private void processNewMsg(JSONArray AddMsgList) {
             try {
-                if (AddMsgList != null && !AddMsgList.isEmpty()) {
-                    int len = AddMsgList.size();
-                    logger.debug("收到{}条新消息", len);
-                    for (int i = 0; i < len; i++) {
-                        JSONObject AddMsg = AddMsgList.getJSONObject(i);
-                        processNewMsg(AddMsg);
-                    }
-                }
-            } catch (Exception e) {
-                logger.error("Execute processNewMsg error.", e);
-            }
-        }
-
-        private void processNewMsg(JSONObject AddMsg) {
-            try {
-                ReceivedMsg msg = ReceivedMsg.valueOf(AddMsg);
-                processNewMsg(msg);
-            } catch (Exception e) {
-                logger.error("Execute processNewMsg error.", e);
-            }
-        }
-
-        private void processNewMsg(ReceivedMsg msg) {
-            try {
-                if (receivedMsgHandlers == null) {
+                if (AddMsgList == null || AddMsgList.isEmpty()) {
                     return;
                 }
-                for (ReceivedMsgHandler handler : receivedMsgHandlers) {
-                    if (handler != null) {
-                        processNewMsg(msg, handler);
+
+                int len = AddMsgList.size();
+                logger.debug("收到{}条新消息", len);
+
+                if (receivedMsgHandlers == null || receivedMsgHandlers.isEmpty()) {
+                    logger.warn("收到{}条新消息，但没有配置消息处理器", len);
+                    return;
+                }
+
+                List<ReceivedMsg> receivedMsgList = ReceivedMsg.valueOf(AddMsgList);
+                for (ReceivedMsg receivedMsg : receivedMsgList) {
+                    for (ReceivedMsgHandler handler : receivedMsgHandlers) {
+                        if (handler != null) {
+                            processNewMsg(receivedMsg, handler);
+                        }
                     }
                 }
             } catch (Exception e) {
@@ -852,11 +841,9 @@ public class Wechat {
 
         private void processNewMsg(ReceivedMsg msg, ReceivedMsgHandler handler) {
             try {
-                if (handler != null) {
-                    handler.handleAllType(wechat, msg);
-                }
+                handler.handleAllType(wechat, msg);
             } catch (Exception e) {
-
+                logger.error("Execute processNewMsg error.", e);
             }
         }
     }
@@ -897,6 +884,10 @@ public class Wechat {
         return loginUser;
     }
 
+    public UserInfo getLoginUser() {
+        return getLoginUser(false);
+    }
+
     /**
      * 获取登录用户名
      *
@@ -910,6 +901,10 @@ public class Wechat {
         return loginUser.getUserName();
     }
 
+    public String getLoginUserName() {
+        return getLoginUserName(false);
+    }
+
     /**
      * 获取登录用户的昵称
      *
@@ -923,6 +918,10 @@ public class Wechat {
         return loginUser.getNickName();
     }
 
+    public String getLoginUserNickName() {
+        return getLoginUserNickName(false);
+    }
+
     /**
      * 获取SyncKey
      *
@@ -1011,15 +1010,19 @@ public class Wechat {
         return contactList;
     }
 
+    public List<UserInfo> getContactList() {
+        return getContactList(false);
+    }
+
     /**
      * 根据UserName获取联系人信息
      *
      * @param update
-     * @param UserName
+     * @param userName
      * @return
      */
-    public UserInfo getContactByUserName(boolean update, String UserName) {
-        if (StringUtil.isEmpty(UserName)) {
+    public UserInfo getContactByUserName(boolean update, String userName) {
+        if (StringUtil.isEmpty(userName)) {
             return null;
         }
 
@@ -1033,7 +1036,7 @@ public class Wechat {
                 continue;
             }
 
-            if (UserName.equals(userInfo.getUserName())) {
+            if (userName.equals(userInfo.getUserName())) {
                 return userInfo;
             }
         }
@@ -1041,15 +1044,19 @@ public class Wechat {
         return null;
     }
 
+    public UserInfo getContactByUserName(String userName) {
+        return getContactByUserName(false, userName);
+    }
+
     /**
      * 根据NickName获取联系人信息
      *
      * @param update
-     * @param NickName
+     * @param nickName
      * @return
      */
-    public UserInfo getContactByNickName(boolean update, String NickName) {
-        if (StringUtil.isEmpty(NickName)) {
+    public UserInfo getContactByNickName(boolean update, String nickName) {
+        if (StringUtil.isEmpty(nickName)) {
             return null;
         }
 
@@ -1063,7 +1070,7 @@ public class Wechat {
                 continue;
             }
 
-            if (NickName.equals(userInfo.getNickName())) {
+            if (nickName.equals(userInfo.getNickName())) {
                 return userInfo;
             }
         }
@@ -1071,15 +1078,19 @@ public class Wechat {
         return null;
     }
 
+    public UserInfo getContactByNickName(String nickName) {
+        return getContactByNickName(false, nickName);
+    }
+
     /**
      * 根据RemarkName获取联系人信息
      *
      * @param update
-     * @param RemarkName
+     * @param remarkName
      * @return
      */
-    public UserInfo getContactByRemarkName(boolean update, String RemarkName) {
-        if (StringUtil.isEmpty(RemarkName)) {
+    public UserInfo getContactByRemarkName(boolean update, String remarkName) {
+        if (StringUtil.isEmpty(remarkName)) {
             return null;
         }
 
@@ -1093,7 +1104,7 @@ public class Wechat {
                 continue;
             }
 
-            if (RemarkName.equals(userInfo.getRemarkName())) {
+            if (remarkName.equals(userInfo.getRemarkName())) {
                 return userInfo;
             }
         }
@@ -1101,6 +1112,10 @@ public class Wechat {
         return null;
     }
 
+    public UserInfo getContactByRemarkName(String remarkName) {
+        return getContactByRemarkName(false, remarkName);
+    }
+
     /**
      * 发送文本消息
      *
diff --git a/src/main/java/com/hotlcc/wechat4j/api/WebWeixinApi.java b/src/main/java/com/hotlcc/wechat4j/api/WebWeixinApi.java
index 52dccee..e6ecc81 100644
--- a/src/main/java/com/hotlcc/wechat4j/api/WebWeixinApi.java
+++ b/src/main/java/com/hotlcc/wechat4j/api/WebWeixinApi.java
@@ -81,7 +81,7 @@ public class WebWeixinApi {
             JSONObject result = new JSONObject();
             result.put("code", code);
             if (!"200".equals(code)) {
-                result.put("msg", "返回code错误，请确认appid是否有效");
+                result.put("msg", "错误代码(" + code + ")，请确认appid是否有效");
                 return result;
             }
 
@@ -405,8 +405,8 @@ public class WebWeixinApi {
                     .render();
 
             HttpGet httpGet = new HttpGet(url);
-            RequestConfig config = RequestConfig.custom().
-                    setRedirectsEnabled(false)
+            RequestConfig config = RequestConfig.custom()
+                    .setRedirectsEnabled(false)
                     .build();
             httpGet.setConfig(config);
 
diff --git a/src/main/java/com/hotlcc/wechat4j/enums/SelectorEnum.java b/src/main/java/com/hotlcc/wechat4j/enums/SelectorEnum.java
index d994def..fe75108 100644
--- a/src/main/java/com/hotlcc/wechat4j/enums/SelectorEnum.java
+++ b/src/main/java/com/hotlcc/wechat4j/enums/SelectorEnum.java
@@ -4,6 +4,7 @@ public enum SelectorEnum {
     SELECTOR_0(0, "正常"),
     SELECTOR_2(2, "有新消息"),
     SELECTOR_4(4, "目前发现修改了联系人备注会出现"),
+    SELECTOR_6(6, "目前不知道代表什么"),
     SELECTOR_7(7, "手机操作了微信");
 
     private int code;
diff --git a/src/main/java/com/hotlcc/wechat4j/model/AppInfo.java b/src/main/java/com/hotlcc/wechat4j/model/AppInfo.java
index 4a1649b..780f828 100644
--- a/src/main/java/com/hotlcc/wechat4j/model/AppInfo.java
+++ b/src/main/java/com/hotlcc/wechat4j/model/AppInfo.java
@@ -3,10 +3,12 @@ package com.hotlcc.wechat4j.model;
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.fastjson.annotation.JSONField;
+import lombok.Getter;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Getter
 public final class AppInfo {
     private AppInfo() {
     }
@@ -16,14 +18,6 @@ public final class AppInfo {
     @JSONField(name = "AppID")
     private String appID;
 
-    public Integer getType() {
-        return type;
-    }
-
-    public String getAppID() {
-        return appID;
-    }
-
     public static AppInfo valueOf(JSONObject info) {
         if (info == null) {
             return null;
diff --git a/src/main/java/com/hotlcc/wechat4j/model/BaseRequest.java b/src/main/java/com/hotlcc/wechat4j/model/BaseRequest.java
index 9a609b0..9f77c74 100644
--- a/src/main/java/com/hotlcc/wechat4j/model/BaseRequest.java
+++ b/src/main/java/com/hotlcc/wechat4j/model/BaseRequest.java
@@ -2,10 +2,14 @@ package com.hotlcc.wechat4j.model;
 
 import com.alibaba.fastjson.annotation.JSONField;
 import com.hotlcc.wechat4j.util.WechatUtil;
+import lombok.Getter;
+import lombok.Setter;
 
 /**
  * 基本请求模型
  */
+@Getter
+@Setter
 public class BaseRequest {
     public BaseRequest() {
     }
@@ -29,36 +33,4 @@ public class BaseRequest {
     private String skey;
     @JSONField(name = "Uin")
     private String uin;
-
-    public String getDeviceID() {
-        return deviceID;
-    }
-
-    public void setDeviceID(String deviceID) {
-        deviceID = deviceID;
-    }
-
-    public String getSid() {
-        return sid;
-    }
-
-    public void setSid(String sid) {
-        sid = sid;
-    }
-
-    public String getSkey() {
-        return skey;
-    }
-
-    public void setSkey(String skey) {
-        skey = skey;
-    }
-
-    public String getUin() {
-        return uin;
-    }
-
-    public void setUin(String uin) {
-        uin = uin;
-    }
 }
diff --git a/src/main/java/com/hotlcc/wechat4j/model/ReceivedMsg.java b/src/main/java/com/hotlcc/wechat4j/model/ReceivedMsg.java
index 3a83100..d5d56be 100644
--- a/src/main/java/com/hotlcc/wechat4j/model/ReceivedMsg.java
+++ b/src/main/java/com/hotlcc/wechat4j/model/ReceivedMsg.java
@@ -3,10 +3,12 @@ package com.hotlcc.wechat4j.model;
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.fastjson.annotation.JSONField;
+import lombok.Getter;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Getter
 public final class ReceivedMsg {
     private ReceivedMsg() {
     }
@@ -68,118 +70,6 @@ public final class ReceivedMsg {
     @JSONField(name = "FileSize")
     private String fileSize;
 
-    public Integer getSubMsgType() {
-        return subMsgType;
-    }
-
-    public Long getVoiceLength() {
-        return voiceLength;
-    }
-
-    public String getFileName() {
-        return fileName;
-    }
-
-    public Long getImgHeight() {
-        return imgHeight;
-    }
-
-    public String getToUserName() {
-        return toUserName;
-    }
-
-    public Long getHasProductId() {
-        return hasProductId;
-    }
-
-    public Integer getImgStatus() {
-        return imgStatus;
-    }
-
-    public String getUrl() {
-        return url;
-    }
-
-    public Integer getImgWidth() {
-        return imgWidth;
-    }
-
-    public Integer getForwardFlag() {
-        return forwardFlag;
-    }
-
-    public Integer getStatus() {
-        return status;
-    }
-
-    public String getTicket() {
-        return ticket;
-    }
-
-    public com.hotlcc.wechat4j.model.RecommendInfo getRecommendInfo() {
-        return recommendInfo;
-    }
-
-    public Long getCreateTime() {
-        return createTime;
-    }
-
-    public Long getNewMsgId() {
-        return newMsgId;
-    }
-
-    public Integer getMsgType() {
-        return msgType;
-    }
-
-    public String getEncryFileName() {
-        return encryFileName;
-    }
-
-    public String getMsgId() {
-        return msgId;
-    }
-
-    public Integer getStatusNotifyCode() {
-        return statusNotifyCode;
-    }
-
-    public AppInfo getAppInfo() {
-        return appInfo;
-    }
-
-    public Integer getAppMsgType() {
-        return appMsgType;
-    }
-
-    public Long getPlayLength() {
-        return playLength;
-    }
-
-    public String getMediaId() {
-        return mediaId;
-    }
-
-    public String getContent() {
-        return content;
-    }
-
-    public String getStatusNotifyUserName() {
-        return statusNotifyUserName;
-    }
-
-    public String getFromUserName() {
-        return fromUserName;
-    }
-
-    public String getOriContent() {
-        return oriContent;
-    }
-
-    public String getFileSize() {
-        return fileSize;
-    }
-
     public static ReceivedMsg valueOf(JSONObject msg) {
         if (msg == null) {
             return null;
diff --git a/src/main/java/com/hotlcc/wechat4j/model/RecommendInfo.java b/src/main/java/com/hotlcc/wechat4j/model/RecommendInfo.java
index 1cf5296..bbc177d 100644
--- a/src/main/java/com/hotlcc/wechat4j/model/RecommendInfo.java
+++ b/src/main/java/com/hotlcc/wechat4j/model/RecommendInfo.java
@@ -3,10 +3,12 @@ package com.hotlcc.wechat4j.model;
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.fastjson.annotation.JSONField;
+import lombok.Getter;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@Getter
 public final class RecommendInfo {
     private RecommendInfo() {
     }
@@ -40,62 +42,6 @@ public final class RecommendInfo {
     @JSONField(name = "VerifyFlag")
     private Integer verifyFlag;
 
-    public String getTicket() {
-        return ticket;
-    }
-
-    public String getUserName() {
-        return userName;
-    }
-
-    public Integer getSex() {
-        return sex;
-    }
-
-    public Integer getAttrStatus() {
-        return attrStatus;
-    }
-
-    public String getCity() {
-        return city;
-    }
-
-    public String getNickName() {
-        return nickName;
-    }
-
-    public Integer getScene() {
-        return scene;
-    }
-
-    public String getProvince() {
-        return province;
-    }
-
-    public String getContent() {
-        return content;
-    }
-
-    public String getAlias() {
-        return alias;
-    }
-
-    public String getSignature() {
-        return signature;
-    }
-
-    public Integer getOpCode() {
-        return opCode;
-    }
-
-    public Long getQQNum() {
-        return qqNum;
-    }
-
-    public Integer getVerifyFlag() {
-        return verifyFlag;
-    }
-
     public static RecommendInfo valueOf(JSONObject info) {
         if (info == null) {
             return null;
diff --git a/src/main/java/com/hotlcc/wechat4j/model/UserInfo.java b/src/main/java/com/hotlcc/wechat4j/model/UserInfo.java
index 8f716a5..6eba56a 100644
--- a/src/main/java/com/hotlcc/wechat4j/model/UserInfo.java
+++ b/src/main/java/com/hotlcc/wechat4j/model/UserInfo.java
@@ -3,6 +3,7 @@ package com.hotlcc.wechat4j.model;
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.fastjson.annotation.JSONField;
+import lombok.Getter;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -10,6 +11,7 @@ import java.util.List;
 /**
  * 微信用户信息
  */
+@Getter
 public final class UserInfo {
     private UserInfo() {
     }
@@ -77,130 +79,6 @@ public final class UserInfo {
     @JSONField(name = "UserName")
     private String userName;
 
-    public Long getUin() {
-        return uin;
-    }
-
-    public String getNickName() {
-        return nickName;
-    }
-
-    public String getHeadImgUrl() {
-        return headImgUrl;
-    }
-
-    public Integer getContactFlag() {
-        return contactFlag;
-    }
-
-    public Integer getMemberCount() {
-        return memberCount;
-    }
-
-    public List<UserInfo> getMemberList() {
-        return memberList;
-    }
-
-    public String getRemarkName() {
-        return remarkName;
-    }
-
-    public Integer getHideInputBarFlag() {
-        return hideInputBarFlag;
-    }
-
-    public Integer getSex() {
-        return sex;
-    }
-
-    public String getSignature() {
-        return signature;
-    }
-
-    public Integer getVerifyFlag() {
-        return verifyFlag;
-    }
-
-    public Long getOwnerUin() {
-        return ownerUin;
-    }
-
-    public String getPYInitial() {
-        return pyInitial;
-    }
-
-    public String getPYQuanPin() {
-        return pyQuanPin;
-    }
-
-    public String getRemarkPYInitial() {
-        return remarkPYInitial;
-    }
-
-    public String getRemarkPYQuanPin() {
-        return remarkPYQuanPin;
-    }
-
-    public Integer getStarFriend() {
-        return starFriend;
-    }
-
-    public Integer getAppAccountFlag() {
-        return appAccountFlag;
-    }
-
-    public Integer getStatues() {
-        return statues;
-    }
-
-    public Integer getAttrStatus() {
-        return attrStatus;
-    }
-
-    public String getProvince() {
-        return province;
-    }
-
-    public String getCity() {
-        return city;
-    }
-
-    public String getAlias() {
-        return alias;
-    }
-
-    public Integer getSnsFlag() {
-        return snsFlag;
-    }
-
-    public Integer getUniFriend() {
-        return uniFriend;
-    }
-
-    public String getDisplayName() {
-        return displayName;
-    }
-
-    public Long getChatRoomId() {
-        return chatRoomId;
-    }
-
-    public String getKeyWord() {
-        return keyWord;
-    }
-
-    public String getEncryChatRoomId() {
-        return encryChatRoomId;
-    }
-
-    public Integer getIsOwner() {
-        return isOwner;
-    }
-
-    public String getUserName() {
-        return userName;
-    }
-
     public static UserInfo valueOf(JSONObject info) {
         if (info == null) {
             return null;
diff --git a/src/main/java/com/hotlcc/wechat4j/model/WxMessage.java b/src/main/java/com/hotlcc/wechat4j/model/WxMessage.java
index 8f275a6..05db641 100644
--- a/src/main/java/com/hotlcc/wechat4j/model/WxMessage.java
+++ b/src/main/java/com/hotlcc/wechat4j/model/WxMessage.java
@@ -1,10 +1,14 @@
 package com.hotlcc.wechat4j.model;
 
 import com.alibaba.fastjson.annotation.JSONField;
+import lombok.Getter;
+import lombok.Setter;
 
 /**
  * 要发送的消息
  */
+@Getter
+@Setter
 public class WxMessage {
     @JSONField(name = "ClientMsgId")
     private String clientMsgId;
@@ -18,52 +22,4 @@ public class WxMessage {
     private String toUserName;
     @JSONField(name = "Type")
     private Integer type;
-
-    public String getClientMsgId() {
-        return clientMsgId;
-    }
-
-    public void setClientMsgId(String clientMsgId) {
-        this.clientMsgId = clientMsgId;
-    }
-
-    public String getContent() {
-        return content;
-    }
-
-    public void setContent(String content) {
-        this.content = content;
-    }
-
-    public String getFromUserName() {
-        return fromUserName;
-    }
-
-    public void setFromUserName(String fromUserName) {
-        this.fromUserName = fromUserName;
-    }
-
-    public String getLocalID() {
-        return localID;
-    }
-
-    public void setLocalID(String localID) {
-        this.localID = localID;
-    }
-
-    public String getToUserName() {
-        return toUserName;
-    }
-
-    public void setToUserName(String toUserName) {
-        this.toUserName = toUserName;
-    }
-
-    public Integer getType() {
-        return type;
-    }
-
-    public void setType(Integer type) {
-        this.type = type;
-    }
 }
diff --git a/src/main/java/com/hotlcc/wechat4j/util/PropertiesUtil.java b/src/main/java/com/hotlcc/wechat4j/util/PropertiesUtil.java
index c1aaa4c..b0a2830 100644
--- a/src/main/java/com/hotlcc/wechat4j/util/PropertiesUtil.java
+++ b/src/main/java/com/hotlcc/wechat4j/util/PropertiesUtil.java
@@ -17,8 +17,8 @@ public final class PropertiesUtil {
 
     static {
         loadProperties(new String[]{
-                "config/app.properties",
-                "config/webwx-url.properties"
+                "META-INF/wechat4j/app.properties",
+                "META-INF/wechat4j/webwx-url.properties"
         });
     }
 
diff --git a/src/main/resources/config/app.properties b/src/main/resources/META-INF/wechat4j/app.properties
similarity index 100%
rename from src/main/resources/config/app.properties
rename to src/main/resources/META-INF/wechat4j/app.properties
diff --git a/src/main/resources/config/webwx-url.properties b/src/main/resources/META-INF/wechat4j/webwx-url.properties
similarity index 100%
rename from src/main/resources/config/webwx-url.properties
rename to src/main/resources/META-INF/wechat4j/webwx-url.properties
diff --git a/src/test/java/TestClass2.java b/src/test/java/TestClass2.java
index b6c6a4d..dbae62a 100644
--- a/src/test/java/TestClass2.java
+++ b/src/test/java/TestClass2.java
@@ -4,6 +4,7 @@ import com.hotlcc.wechat4j.api.WebWeixinApi;
 import com.hotlcc.wechat4j.handler.ReceivedMsgHandler;
 import com.hotlcc.wechat4j.model.ReceivedMsg;
 import com.hotlcc.wechat4j.model.UserInfo;
+import com.sun.scenario.effect.GaussianShadow;
 
 public class TestClass2 {
     public static void main(String[] args) {
@@ -22,5 +23,9 @@ public class TestClass2 {
             }
         });
         wechat.autoLogin();
+        UserInfo userInfo = wechat.getContactByNickName(false, "Allen");
+        System.out.println(JSONObject.toJSONString(userInfo));
+        wechat.sendText("aaa", userInfo.getUserName());
+        wechat.logout();
     }
 }