diff --git a/README.md b/README.md
index 02b27de..1aeddd8 100644
--- a/README.md
+++ b/README.md
@@ -17,10 +17,8 @@
 ## 简单使用
 
 ```java
-WebWeixinApi api = new WebWeixinApi();
 // 实例化微信客户端
 Wechat wechat = new Wechat();
-wechat.setWebWeixinApi(api);
 // 自动登录
 wechat.autoLogin();
 ```
diff --git a/src/main/java/com/hotlcc/wechat4j/Wechat.java b/src/main/java/com/hotlcc/wechat4j/Wechat.java
index bd7e0eb..84f8df4 100644
--- a/src/main/java/com/hotlcc/wechat4j/Wechat.java
+++ b/src/main/java/com/hotlcc/wechat4j/Wechat.java
@@ -2,7 +2,6 @@ package com.hotlcc.wechat4j;
 
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
-import com.hotlcc.wechat4j.api.WebWeixinApi;
 import com.hotlcc.wechat4j.enums.*;
 import com.hotlcc.wechat4j.handler.ExitEventHandler;
 import com.hotlcc.wechat4j.handler.ReceivedMsgHandler;
@@ -39,8 +38,6 @@ import java.util.concurrent.locks.ReentrantLock;
 public class Wechat {
     private static Logger logger = LoggerFactory.getLogger(Wechat.class);
 
-    private WebWeixinApi webWeixinApi;
-
     private CookieStore cookieStore;
     private HttpClient httpClient;
 
@@ -78,10 +75,6 @@ public class Wechat {
         this(new BasicCookieStore());
     }
 
-    public void setWebWeixinApi(WebWeixinApi webWeixinApi) {
-        this.webWeixinApi = webWeixinApi;
-    }
-
     /**
      * 获取Cookie
      *
@@ -216,7 +209,7 @@ public class Wechat {
                 pw.print("\t第" + i + "次尝试...");
                 pw.flush();
             }
-            JSONObject result = webWeixinApi.getWxUuid(httpClient);
+            JSONObject result = WebWeixinApiUtil.getWxUuid(httpClient);
 
             if (result == null) {
                 pw.println("\t失败：出现异常");
@@ -265,7 +258,7 @@ public class Wechat {
                 pw.flush();
             }
 
-            byte[] data = webWeixinApi.getQR(httpClient, uuid);
+            byte[] data = WebWeixinApiUtil.getQR(httpClient, uuid);
 
             if (data == null || data.length <= 0) {
                 pw.print("\t失败");
@@ -302,7 +295,7 @@ public class Wechat {
 
         boolean flag = false;
         while (true) {
-            JSONObject result = webWeixinApi.getRedirectUri(httpClient, LoginTipEnum.TIP_0, uuid);
+            JSONObject result = WebWeixinApiUtil.getRedirectUri(httpClient, LoginTipEnum.TIP_0, uuid);
             if (result == null) {
                 pw.println("\t失败：出现异常");
                 pw.flush();
@@ -343,7 +336,7 @@ public class Wechat {
         pw.print("获取登录认证码...");
         pw.flush();
 
-        JSONObject result = webWeixinApi.getLoginCode(httpClient, redirectUri);
+        JSONObject result = WebWeixinApiUtil.getLoginCode(httpClient, redirectUri);
         if (result == null) {
             pw.println("\t失败：出现异常");
             pw.flush();
@@ -379,7 +372,7 @@ public class Wechat {
         pw.print("尝试push方式获取uuid...");
         pw.flush();
 
-        JSONObject result = webWeixinApi.pushLogin(httpClient, urlVersion, wxuin);
+        JSONObject result = WebWeixinApiUtil.pushLogin(httpClient, urlVersion, wxuin);
         if (result == null) {
             pw.println("\t失败：出现异常");
             pw.flush();
@@ -412,7 +405,7 @@ public class Wechat {
      * @return
      */
     private boolean wxInit() {
-        JSONObject result = webWeixinApi.webWeixinInit(httpClient, urlVersion, passTicket, new BaseRequest(wxsid, skey, wxuin));
+        JSONObject result = WebWeixinApiUtil.webWeixinInit(httpClient, urlVersion, passTicket, new BaseRequest(wxsid, skey, wxuin));
         if (result == null) {
             return false;
         }
@@ -476,7 +469,7 @@ public class Wechat {
      */
     private boolean statusNotify(int time) {
         for (int i = 0; i < time; i++) {
-            JSONObject result = webWeixinApi.statusNotify(httpClient, urlVersion, passTicket, new BaseRequest(wxsid, skey, wxuin), getLoginUserName(false));
+            JSONObject result = WebWeixinApiUtil.statusNotify(httpClient, urlVersion, passTicket, new BaseRequest(wxsid, skey, wxuin), getLoginUserName(false));
             if (result == null) {
                 continue;
             }
@@ -593,7 +586,7 @@ public class Wechat {
                 isOnlineLock.lock();
 
                 if (isOnline) {
-                    webWeixinApi.logout(httpClient, urlVersion, new BaseRequest(wxsid, skey, wxuin));
+                    WebWeixinApiUtil.logout(httpClient, urlVersion, new BaseRequest(wxsid, skey, wxuin));
                     isOnline = false;
 
                     if (clearAllLoginInfo) {
@@ -663,7 +656,7 @@ public class Wechat {
                 long start = System.currentTimeMillis();
 
                 try {
-                    JSONObject result = webWeixinApi.syncCheck(httpClient, urlVersion, new BaseRequest(wxsid, skey, wxuin), getSyncKeyList(false));
+                    JSONObject result = WebWeixinApiUtil.syncCheck(httpClient, urlVersion, new BaseRequest(wxsid, skey, wxuin), getSyncKeyList(false));
                     logger.info("微信同步监听心跳返回数据：{}", result);
                     if (result == null) {
                         throw new RuntimeException("微信API调用异常");
@@ -797,7 +790,7 @@ public class Wechat {
          */
         private void webWxSync() {
             try {
-                JSONObject result = webWeixinApi.webWxSync(httpClient, urlVersion, passTicket, new BaseRequest(wxsid, skey, wxuin), syncKey);
+                JSONObject result = WebWeixinApiUtil.webWxSync(httpClient, urlVersion, passTicket, new BaseRequest(wxsid, skey, wxuin), syncKey);
                 if (result == null) {
                     logger.error("从服务端同步新数据异常");
                     return;
@@ -879,7 +872,7 @@ public class Wechat {
      */
     public UserInfo getLoginUser(boolean update) {
         if (loginUser == null || update) {
-            JSONObject result = webWeixinApi.webWeixinInit(httpClient, urlVersion, passTicket, new BaseRequest(wxsid, skey, wxuin));
+            JSONObject result = WebWeixinApiUtil.webWeixinInit(httpClient, urlVersion, passTicket, new BaseRequest(wxsid, skey, wxuin));
             if (result == null) {
                 return loginUser;
             }
@@ -954,7 +947,7 @@ public class Wechat {
      */
     private JSONObject getSyncKey(boolean update) {
         if (syncKey == null || update) {
-            JSONObject result = webWeixinApi.webWeixinInit(httpClient, urlVersion, passTicket, new BaseRequest(wxsid, skey, wxuin));
+            JSONObject result = WebWeixinApiUtil.webWeixinInit(httpClient, urlVersion, passTicket, new BaseRequest(wxsid, skey, wxuin));
             if (result == null) {
                 return syncKey;
             }
@@ -1005,7 +998,7 @@ public class Wechat {
      */
     public List<UserInfo> getContactList(boolean update) {
         if (contactList == null || update) {
-            JSONObject result = webWeixinApi.getContact(httpClient, urlVersion, passTicket, skey);
+            JSONObject result = WebWeixinApiUtil.getContact(httpClient, urlVersion, passTicket, skey);
             if (result == null) {
                 return contactList;
             }
@@ -1164,7 +1157,7 @@ public class Wechat {
         }
         message.setType(MsgTypeEnum.TEXT_MSG.getCode());
 
-        return webWeixinApi.sendMsg(httpClient, urlVersion, passTicket, baseRequest, message);
+        return WebWeixinApiUtil.sendMsg(httpClient, urlVersion, passTicket, baseRequest, message);
     }
 
     /**
@@ -1266,7 +1259,7 @@ public class Wechat {
 
         // 上传媒体文件
         String dataTicket = getCookieValue("webwx_data_ticket");
-        JSONObject result = webWeixinApi.uploadMedia(httpClient, urlVersion, passTicket, baseRequest, loginUserName, toUserName, dataTicket, mediaData, mediaName, contentType);
+        JSONObject result = WebWeixinApiUtil.uploadMedia(httpClient, urlVersion, passTicket, baseRequest, loginUserName, toUserName, dataTicket, mediaData, mediaName, contentType);
         if (result == null) {
             return null;
         }
@@ -1294,7 +1287,7 @@ public class Wechat {
         message.setMediaId(mediaId);
         message.setToUserName(toUserName);
         message.setType(MsgTypeEnum.IMAGE_MSG.getCode());
-        result = webWeixinApi.sendImageMsg(httpClient, urlVersion, passTicket, baseRequest, message);
+        result = WebWeixinApiUtil.sendImageMsg(httpClient, urlVersion, passTicket, baseRequest, message);
 
         return result;
     }
diff --git a/src/main/java/com/hotlcc/wechat4j/api/WebWeixinApi.java b/src/main/java/com/hotlcc/wechat4j/util/WebWeixinApiUtil.java
similarity index 88%
rename from src/main/java/com/hotlcc/wechat4j/api/WebWeixinApi.java
rename to src/main/java/com/hotlcc/wechat4j/util/WebWeixinApiUtil.java
index b55cb39..b3dc0ad 100644
--- a/src/main/java/com/hotlcc/wechat4j/api/WebWeixinApi.java
+++ b/src/main/java/com/hotlcc/wechat4j/util/WebWeixinApiUtil.java
@@ -1,4 +1,4 @@
-package com.hotlcc.wechat4j.api;
+package com.hotlcc.wechat4j.util;
 
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
@@ -6,9 +6,6 @@ import com.hotlcc.wechat4j.enums.LoginTipEnum;
 import com.hotlcc.wechat4j.model.BaseRequest;
 import com.hotlcc.wechat4j.model.MediaMessage;
 import com.hotlcc.wechat4j.model.WxMessage;
-import com.hotlcc.wechat4j.util.PropertiesUtil;
-import com.hotlcc.wechat4j.util.StringUtil;
-import com.hotlcc.wechat4j.util.WechatUtil;
 import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.http.*;
 import org.apache.http.client.HttpClient;
@@ -40,8 +37,11 @@ import java.util.regex.Pattern;
  * @author Allen
  */
 @SuppressWarnings({"Duplicates", "unused"})
-public class WebWeixinApi {
-    private static Logger logger = LoggerFactory.getLogger(WebWeixinApi.class);
+public final class WebWeixinApiUtil {
+    private WebWeixinApiUtil() {
+    }
+
+    private static Logger logger = LoggerFactory.getLogger(WebWeixinApiUtil.class);
 
     /**
      * 预编译正则匹配
@@ -63,7 +63,7 @@ public class WebWeixinApi {
      * @param httpClient http客户端
      * @return 返回数据
      */
-    public JSONObject getWxUuid(HttpClient httpClient) {
+    public static JSONObject getWxUuid(HttpClient httpClient) {
         try {
             String url = new ST(PropertiesUtil.getProperty("webwx-url.uuid_url"))
                     .add("appid", PropertiesUtil.getProperty("webwx.appid"))
@@ -120,8 +120,8 @@ public class WebWeixinApi {
      * @param uuid       uuid
      * @return 二维码图片字节数据
      */
-    public byte[] getQR(HttpClient httpClient,
-                        String uuid) {
+    public static byte[] getQR(HttpClient httpClient,
+                               String uuid) {
         try {
             String url = new ST(PropertiesUtil.getProperty("webwx-url.qrcode_url"))
                     .add("uuid", uuid)
@@ -157,9 +157,9 @@ public class WebWeixinApi {
      * @param uuid       uuid
      * @return 返回数据
      */
-    public JSONObject getRedirectUri(HttpClient httpClient,
-                                     LoginTipEnum tip,
-                                     String uuid) {
+    public static JSONObject getRedirectUri(HttpClient httpClient,
+                                            LoginTipEnum tip,
+                                            String uuid) {
         try {
             long millis = System.currentTimeMillis();
             String url = new ST(PropertiesUtil.getProperty("webwx-url.redirect_uri"))
@@ -229,8 +229,8 @@ public class WebWeixinApi {
      * @param redirectUri 调整uri
      * @return 返回数据
      */
-    public JSONObject getLoginCode(HttpClient httpClient,
-                                   String redirectUri) {
+    public static JSONObject getLoginCode(HttpClient httpClient,
+                                          String redirectUri) {
         try {
             String url = new ST(PropertiesUtil.getProperty("webwx-url.newlogin_url"))
                     .add("redirectUri", redirectUri)
@@ -262,9 +262,9 @@ public class WebWeixinApi {
      * @param urlVersion  url版本号
      * @param baseRequest BaseRequest
      */
-    public void logout(HttpClient httpClient,
-                       String urlVersion,
-                       BaseRequest baseRequest) {
+    public static void logout(HttpClient httpClient,
+                              String urlVersion,
+                              BaseRequest baseRequest) {
         try {
             List<NameValuePair> pairList = new ArrayList<>();
             pairList.add(new BasicNameValuePair("sid", baseRequest.getSid()));
@@ -299,9 +299,9 @@ public class WebWeixinApi {
      * @param wxuin      uin
      * @return 返回数据
      */
-    public JSONObject pushLogin(HttpClient httpClient,
-                                String urlVersion,
-                                String wxuin) {
+    public static JSONObject pushLogin(HttpClient httpClient,
+                                       String urlVersion,
+                                       String wxuin) {
         try {
             String url = new ST(PropertiesUtil.getProperty("webwx-url.pushlogin_url"))
                     .add("urlVersion", urlVersion)
@@ -336,10 +336,10 @@ public class WebWeixinApi {
      * @param baseRequest BaseRequest
      * @return 返回数据
      */
-    public JSONObject webWeixinInit(HttpClient httpClient,
-                                    String urlVersion,
-                                    String passticket,
-                                    BaseRequest baseRequest) {
+    public static JSONObject webWeixinInit(HttpClient httpClient,
+                                           String urlVersion,
+                                           String passticket,
+                                           BaseRequest baseRequest) {
         try {
             String url = new ST(PropertiesUtil.getProperty("webwx-url.webwxinit_url"))
                     .add("urlVersion", urlVersion)
@@ -381,11 +381,11 @@ public class WebWeixinApi {
      * @param loginUserName 当前登录账号用户名
      * @return 返回数据
      */
-    public JSONObject statusNotify(HttpClient httpClient,
-                                   String urlVersion,
-                                   String passticket,
-                                   BaseRequest baseRequest,
-                                   String loginUserName) {
+    public static JSONObject statusNotify(HttpClient httpClient,
+                                          String urlVersion,
+                                          String passticket,
+                                          BaseRequest baseRequest,
+                                          String loginUserName) {
         try {
             String url = new ST(PropertiesUtil.getProperty("webwx-url.statusnotify_url"))
                     .add("urlVersion", urlVersion)
@@ -429,10 +429,10 @@ public class WebWeixinApi {
      * @param syncKeyList SyncKeyList
      * @return 返回数据
      */
-    public JSONObject syncCheck(HttpClient httpClient,
-                                String urlVersion,
-                                BaseRequest baseRequest,
-                                JSONArray syncKeyList) {
+    public static JSONObject syncCheck(HttpClient httpClient,
+                                       String urlVersion,
+                                       BaseRequest baseRequest,
+                                       JSONArray syncKeyList) {
         try {
             long millis = System.currentTimeMillis();
             String url = new ST(PropertiesUtil.getProperty("webwx-url.synccheck_url"))
@@ -488,10 +488,10 @@ public class WebWeixinApi {
      * @param skey       skey
      * @return 返回数据
      */
-    public JSONObject getContact(HttpClient httpClient,
-                                 String urlVersion,
-                                 String passticket,
-                                 String skey) {
+    public static JSONObject getContact(HttpClient httpClient,
+                                        String urlVersion,
+                                        String passticket,
+                                        String skey) {
         try {
             String url = new ST(PropertiesUtil.getProperty("webwx-url.getcontact_url"))
                     .add("urlVersion", urlVersion)
@@ -528,11 +528,11 @@ public class WebWeixinApi {
      * @param batchContactList 联系人列表
      * @return 返回数据
      */
-    public JSONObject batchGetContact(HttpClient httpClient,
-                                      String urlVersion,
-                                      String passticket,
-                                      BaseRequest baseRequest,
-                                      JSONArray batchContactList) {
+    public static JSONObject batchGetContact(HttpClient httpClient,
+                                             String urlVersion,
+                                             String passticket,
+                                             BaseRequest baseRequest,
+                                             JSONArray batchContactList) {
         try {
             String url = new ST(PropertiesUtil.getProperty("webwx-url.batchgetcontact_url"))
                     .add("urlVersion", urlVersion)
@@ -576,11 +576,11 @@ public class WebWeixinApi {
      * @param syncKey     syncKey
      * @return 返回数据
      */
-    public JSONObject webWxSync(HttpClient httpClient,
-                                String urlVersion,
-                                String passticket,
-                                BaseRequest baseRequest,
-                                JSONObject syncKey) {
+    public static JSONObject webWxSync(HttpClient httpClient,
+                                       String urlVersion,
+                                       String passticket,
+                                       BaseRequest baseRequest,
+                                       JSONObject syncKey) {
         try {
             String url = new ST(PropertiesUtil.getProperty("webwx-url.webwxsync_url"))
                     .add("urlVersion", urlVersion)
@@ -624,11 +624,11 @@ public class WebWeixinApi {
      * @param message     消息
      * @return 返回数据
      */
-    public JSONObject sendMsg(HttpClient httpClient,
-                              String urlVersion,
-                              String passticket,
-                              BaseRequest baseRequest,
-                              WxMessage message) {
+    public static JSONObject sendMsg(HttpClient httpClient,
+                                     String urlVersion,
+                                     String passticket,
+                                     BaseRequest baseRequest,
+                                     WxMessage message) {
         try {
             String url = new ST(PropertiesUtil.getProperty("webwx-url.webwxsendmsg_url"))
                     .add("urlVersion", urlVersion)
@@ -676,16 +676,16 @@ public class WebWeixinApi {
      * @param contentType  媒体文件类型
      * @return 返回数据
      */
-    public JSONObject uploadMedia(HttpClient httpClient,
-                                  String urlVersion,
-                                  String passticket,
-                                  BaseRequest baseRequest,
-                                  String fromUserName,
-                                  String toUserName,
-                                  String dataTicket,
-                                  byte[] mediaData,
-                                  String mediaName,
-                                  ContentType contentType) {
+    public static JSONObject uploadMedia(HttpClient httpClient,
+                                         String urlVersion,
+                                         String passticket,
+                                         BaseRequest baseRequest,
+                                         String fromUserName,
+                                         String toUserName,
+                                         String dataTicket,
+                                         byte[] mediaData,
+                                         String mediaName,
+                                         ContentType contentType) {
         try {
             String url = new ST(PropertiesUtil.getProperty("webwx-url.uploadmedia_url"))
                     .add("urlVersion", urlVersion)
@@ -778,11 +778,11 @@ public class WebWeixinApi {
      * @param message     消息
      * @return 返回数据
      */
-    public JSONObject sendImageMsg(HttpClient httpClient,
-                                   String urlVersion,
-                                   String passticket,
-                                   BaseRequest baseRequest,
-                                   MediaMessage message) {
+    public static JSONObject sendImageMsg(HttpClient httpClient,
+                                          String urlVersion,
+                                          String passticket,
+                                          BaseRequest baseRequest,
+                                          MediaMessage message) {
         try {
             String url = new ST(PropertiesUtil.getProperty("webwx-url.webwxsendmsgimg_url"))
                     .add("urlVersion", urlVersion)
diff --git a/src/test/java/TestClass.java b/src/test/java/TestClass.java
index 92bb6a8..fdd99da 100644
--- a/src/test/java/TestClass.java
+++ b/src/test/java/TestClass.java
@@ -1,6 +1,5 @@
 import com.alibaba.fastjson.JSONObject;
 import com.hotlcc.wechat4j.Wechat;
-import com.hotlcc.wechat4j.api.WebWeixinApi;
 import com.hotlcc.wechat4j.handler.ReceivedMsgHandler;
 import com.hotlcc.wechat4j.model.ReceivedMsg;
 import com.hotlcc.wechat4j.model.UserInfo;
@@ -16,8 +15,6 @@ public class TestClass {
     @Before
     public void initAndLogin() {
         wechat = new Wechat();
-        WebWeixinApi api = new WebWeixinApi();
-        wechat.setWebWeixinApi(api);
         wechat.addReceivedMsgHandler(new ReceivedMsgHandler() {
             @Override
             public void handleAllType(Wechat wechat, ReceivedMsg msg) {