diff --git a/app/src/main/java/com/idormy/sms/forwarder/model/vo/ResVo.java b/app/src/main/java/com/idormy/sms/forwarder/model/vo/ResVo.java
new file mode 100644
index 00000000..ba939936
--- /dev/null
+++ b/app/src/main/java/com/idormy/sms/forwarder/model/vo/ResVo.java
@@ -0,0 +1,55 @@
+package com.idormy.sms.forwarder.model.vo;
+
+import lombok.Data;
+
+@Data
+public class ResVo<T> {
+    public static final int ERROR_CODE = 500;
+    public static final int Suess_CODE = 200;
+    private int code;
+    private String msg;
+    private String auth;
+    private SmsHubVo heartbeat;
+    private T data;
+
+    public ResVo<T> setSuessces(T data) {
+        this.setCode(Suess_CODE);
+        this.setData(data);
+        this.setMsg("");
+        return this;
+    }
+
+    public ResVo<T> setError(Throwable e) {
+        this.setCode(ERROR_CODE);
+        this.setMsg(e.getMessage());
+        return this;
+    }
+
+    public ResVo<T> setError(String msg) {
+        this.setCode(ERROR_CODE);
+        this.setMsg(msg);
+        return this;
+    }
+
+    public static <T> ResVo<T> suessces(T data) {
+        ResVo<T> resVo = new ResVo<>();
+        resVo.setCode(Suess_CODE);
+        resVo.setData(data);
+        resVo.setMsg("");
+        return resVo;
+    }
+
+    public static <T> ResVo<T> error(Throwable e) {
+        ResVo<T> resVo = new ResVo<>();
+        resVo.setCode(ERROR_CODE);
+        resVo.setMsg(e.getMessage());
+        return resVo;
+    }
+
+    public static ResVo<String> error(String msg) {
+        ResVo<String> resVo = new ResVo<>();
+        resVo.setCode(ERROR_CODE);
+        resVo.setMsg(msg);
+        return resVo;
+    }
+}
diff --git a/app/src/main/java/com/idormy/sms/forwarder/model/vo/SmsHubVo.java b/app/src/main/java/com/idormy/sms/forwarder/model/vo/SmsHubVo.java
index b08adff2..a5bb56b4 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/model/vo/SmsHubVo.java
+++ b/app/src/main/java/com/idormy/sms/forwarder/model/vo/SmsHubVo.java
@@ -28,7 +28,7 @@ public class SmsHubVo implements Serializable {
 
     public SmsHubVo(Type type, Integer simId, String content, String target) {
         this.msgId = UUID.randomUUID().toString();
-        if (channel != null) {
+        if (simId != null) {
             String simInfo = simId == 2 ? SettingUtil.getAddExtraSim2() : SettingUtil.getAddExtraSim1(); //自定义备注优先
             simInfo = "SIM" + simId + ":" + simInfo;
             this.channel = simInfo;
@@ -37,6 +37,7 @@ public class SmsHubVo implements Serializable {
         this.target = target;
         this.action = Action.receive.code();
         this.type = type.code;
+        this.ts = System.currentTimeMillis() + "";
     }
 
     //唯一id
@@ -51,22 +52,25 @@ public class SmsHubVo implements Serializable {
     private String errMsg;
     //手机号(;分隔)或包名
     private String target;
-    //状态或操作
+    //状态或操作 0:发送短信, 1:接收到的消息, 2:操作处理成功, 3:操作处理失败, -1:心跳包 (包含deviceInfo字段,children里带有两次心跳间收到的消息)
     private String action;
-    //消息类型
+    //消息类型 app:通知 phone:来电, sms:短信, battery:电池信息
     private String type;
     //时间戳
     private String ts;
     //两次交互之间接收到的消息
     private List<SmsHubVo> children;
 
-    public static SmsHubVo heartbeatInstance() {
+    public static SmsHubVo heartbeatInstance(List<SmsHubVo> data) {
         SmsHubVo smsHubVo = new SmsHubVo();
         HashMap<String, String> deviInfoMap = getDevInfoMap(false);
         smsHubVo.setDeviceInfo(JSON.toJSONString(deviInfoMap));
         smsHubVo.setChannel("SIM1:" + SimUtil.getSimInfo(1) + SettingUtil.getAddExtraSim1() + ";SIM2:" + SimUtil.getSimInfo(2) + SettingUtil.getAddExtraSim2());
         smsHubVo.setTs(Long.toString(System.currentTimeMillis()));
         smsHubVo.setAction(SmsHubVo.Action.heartbeat.code());
+        if (data != null && data.size() > 0) {
+            smsHubVo.setChildren(data);
+        }
         return smsHubVo;
     }
 
diff --git a/app/src/main/java/com/idormy/sms/forwarder/receiver/BaseServlet.java b/app/src/main/java/com/idormy/sms/forwarder/receiver/BaseServlet.java
index 5e46acdf..1602ba47 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/receiver/BaseServlet.java
+++ b/app/src/main/java/com/idormy/sms/forwarder/receiver/BaseServlet.java
@@ -5,7 +5,9 @@ import android.content.Context;
 import android.util.Log;
 
 import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.TypeReference;
 import com.alibaba.fastjson.util.IOUtils;
+import com.idormy.sms.forwarder.model.vo.ResVo;
 import com.idormy.sms.forwarder.model.vo.SmsHubVo;
 import com.idormy.sms.forwarder.utils.BackupDbTask;
 import com.idormy.sms.forwarder.utils.SettingUtil;
@@ -14,6 +16,7 @@ import com.idormy.sms.forwarder.utils.SmsHubActionHandler;
 import org.eclipse.jetty.server.Server;
 import org.eclipse.jetty.servlet.ServletContextHandler;
 import org.eclipse.jetty.servlet.ServletHolder;
+import org.eclipse.jetty.util.StringUtil;
 
 import java.io.BufferedReader;
 import java.io.File;
@@ -43,7 +46,7 @@ public class BaseServlet extends HttpServlet {
     public static final String SMSHUB_PATH = "/send_api";
     private static final long serialVersionUID = 1L;
     private static final String TAG = "BaseServlet";
-    private static final SmsHubActionHandler.SmsHubMode smsHubMode = SmsHubActionHandler.SmsHubMode.server;
+    public static final SmsHubActionHandler.SmsHubMode smsHubMode = SmsHubActionHandler.SmsHubMode.server;
 
     public BaseServlet(String path, Context context) {
         this.path = path;
@@ -115,18 +118,6 @@ public class BaseServlet extends HttpServlet {
         }
     }
 
-    private void notFound(HttpServletRequest req, HttpServletResponse resp) throws IOException {
-        PrintWriter writer = resp.getWriter();
-        try {
-            String text = "NOT FOUND";
-            resp.setStatus(HttpServletResponse.SC_NOT_FOUND);
-            writer.println(text);
-        } catch (Exception e) {
-            e.printStackTrace();
-        } finally {
-            IOUtils.close(writer);
-        }
-    }
 
     private void send_api(HttpServletRequest req, HttpServletResponse resp) throws IOException {
         resp.setCharacterEncoding("utf-8");
@@ -135,28 +126,31 @@ public class BaseServlet extends HttpServlet {
         try {
             String read = read(reader);
             Log.i(TAG, "Request message:" + read);
-            List<SmsHubVo> smsHubVos = JSON.parseArray(read, SmsHubVo.class);
-            if (smsHubVos.size() == 1 && SmsHubVo.Action.heartbeat.code().equals(smsHubVos.get(0).getAction())) {
-                smsHubVos.clear();
-                SmsHubVo smsHubVo = SmsHubVo.heartbeatInstance();
-                smsHubVos.add(smsHubVo);
-                List<SmsHubVo> data = SmsHubActionHandler.getData(smsHubMode);
-                if (data != null && data.size() > 0) {
-                    smsHubVo.setChildren(data);
-                }
-            } else {
-                for (SmsHubVo vo : smsHubVos) {
+            SmsHubVo smsHubVo = SmsHubVo.heartbeatInstance(SmsHubActionHandler.getData(smsHubMode));
+            ResVo<List<SmsHubVo>> result = ResVo.suessces(null);
+            if (StringUtil.isNotBlank(read)) {
+                ResVo<List<SmsHubVo>> obj = JSON.parseObject(read, new TypeReference<ResVo<List<SmsHubVo>>>() {
+                }.getType());
+                List<SmsHubVo> data = obj.getData();
+                for (SmsHubVo vo : data) {
                     SmsHubActionHandler.handle(TAG, vo);
                 }
-                List<SmsHubVo> data = SmsHubActionHandler.getData(smsHubMode);
-                if (data != null && data.size() > 0) {
-                    SmsHubVo smsHubVo = SmsHubVo.heartbeatInstance();
-                    smsHubVo.setChildren(data);
-                    smsHubVos.add(smsHubVo);
-                }
+                result.setData(data);
             }
+            result.setHeartbeat(smsHubVo);
             resp.setContentType("application/json;charset=utf-8");
-            String text = JSON.toJSONString(smsHubVos);
+            StringBuilder sb = new StringBuilder();
+            int i = 0;
+            for (SmsHubVo datum : result.getData()) {
+                if (SmsHubVo.Action.failure.code().equals(datum.getAction())) {
+                    sb.append(",").append("第").append(i++).append("条处理失败:").append(datum.getErrMsg());
+                }
+                i++;
+            }
+            if (sb.length() > 0) {
+                result.setError(sb.substring(1));
+            }
+            String text = JSON.toJSONString(result);
             writer.println(text);
         } catch (Exception e) {
             e.printStackTrace();
@@ -170,8 +164,9 @@ public class BaseServlet extends HttpServlet {
     private void printErrMsg(HttpServletResponse resp, PrintWriter writer, Exception e) {
         String text = "Internal server error: " + e.getMessage();
         Log.e(TAG, text);
-        resp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
-        writer.println(text);
+        resp.setStatus(HttpServletResponse.SC_OK);
+        resp.setContentType("application/json;charset=utf-8");
+        writer.println(JSON.toJSONString(ResVo.error(text)));
     }
 
     //一键克隆——查询接口
diff --git a/app/src/main/java/com/idormy/sms/forwarder/sender/SmsHubApiTask.java b/app/src/main/java/com/idormy/sms/forwarder/sender/SmsHubApiTask.java
index 1111a8db..f7472dfa 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/sender/SmsHubApiTask.java
+++ b/app/src/main/java/com/idormy/sms/forwarder/sender/SmsHubApiTask.java
@@ -6,29 +6,26 @@ import android.util.Log;
 
 import com.alibaba.fastjson.JSON;
 import com.idormy.sms.forwarder.model.vo.SmsHubVo;
-import com.idormy.sms.forwarder.utils.HttpUtil;
-import com.idormy.sms.forwarder.utils.SettingUtil;
-import com.idormy.sms.forwarder.utils.SmsHubActionHandler;
+import com.idormy.sms.forwarder.utils.*;
+
+import java.util.*;
+import java.util.concurrent.atomic.AtomicBoolean;
 
-import java.util.List;
-import java.util.Objects;
-import java.util.Timer;
-import java.util.TimerTask;
 
 /**
  * 主动发送短信轮询任务
- *
  * @author xxc
  * 2022/1/10 9:53
  */
 public class SmsHubApiTask extends TimerTask {
+    private static Boolean hasInit = false;
     public static final long DELAY_SECONDS = 30;
     private static final String TAG = "SmsHubApiTask";
-    private static final SmsHubActionHandler.SmsHubMode smsHubMode = SmsHubActionHandler.SmsHubMode.client;
-    private static Boolean hasInit = false;
     private static Timer sendApiTimer;
     @SuppressLint("StaticFieldLeak")
     private static Context context;
+    private static final SmsHubActionHandler.SmsHubMode smsHubMode = SmsHubActionHandler.SmsHubMode.client;
+
 
     @SuppressLint("HandlerLeak")
     public static void init(Context context) {
@@ -42,6 +39,35 @@ public class SmsHubApiTask extends TimerTask {
         }
     }
 
+    @Override
+    public void run() {
+        List<SmsHubVo> data = SmsHubActionHandler.getData(smsHubMode);
+        SmsHubVo smsHubVo = SmsHubVo.heartbeatInstance(data);
+        String url = SettingUtil.getSmsHubApiUrl();
+        boolean asRetry = data != null && data.size() > 0;
+        AtomicBoolean isSusess = new AtomicBoolean(false);
+        Runnable runnable = () -> {
+            HttpUtil.asyncPostJson(TAG, url, smsHubVo, response -> {
+                //HttpUtil.Toast(TAG, "Response：" + response.code() + "，" + responseStr);
+                if (response.code() == 200) {
+                    isSusess.set(true);
+                    String responseStr = Objects.requireNonNull(response.body()).string();
+                    List<SmsHubVo> vos = JSON.parseArray(responseStr, SmsHubVo.class);
+                    for (SmsHubVo vo : vos) {
+                        SmsHubActionHandler.handle(TAG, vo);
+                    }
+                    SmsHubActionHandler.putData(smsHubMode, vos.toArray(new SmsHubVo[0]));
+                }
+            }, null, asRetry);
+        };
+        if (asRetry) {
+            new Thread(runnable).start();
+        } else {
+            runnable.run();
+        }
+    }
+
+
     public static void updateTimer() {
         cancelTimer();
         if (SettingUtil.getSwitchEnableSmsHubApi()) {
@@ -69,32 +95,4 @@ public class SmsHubApiTask extends TimerTask {
             sendApiTimer.schedule(new SmsHubApiTask(), 3000, seconds * 1000);
         }
     }
-
-    @Override
-    public void run() {
-        try {
-            SmsHubVo smsHubVo = SmsHubVo.heartbeatInstance();
-            List<SmsHubVo> data = SmsHubActionHandler.getData(smsHubMode);
-            if (data != null && data.size() > 0) {
-                smsHubVo.setChildren(data);
-            }
-            smsHubVo.setChildren(data);
-            String url = SettingUtil.getSmsHubApiUrl();
-            HttpUtil.asyncPostJson(TAG, url, smsHubVo, response -> {
-                //HttpUtil.Toast(TAG, "Response：" + response.code() + "，" + responseStr);
-                if (response.code() == 200) {
-                    String responseStr = Objects.requireNonNull(response.body()).string();
-                    List<SmsHubVo> vos = JSON.parseArray(responseStr, SmsHubVo.class);
-                    for (SmsHubVo vo : vos) {
-                        SmsHubActionHandler.handle(TAG, vo);
-                    }
-                    SmsHubActionHandler.putData(smsHubMode, vos.toArray(new SmsHubVo[0]));
-                }
-            }, null);
-        } catch (Exception e) {
-            HttpUtil.Toast(TAG, "SmsHubApiTask 执行出错,请检查问题后重新开启" + e.getMessage());
-            cancelTimer();
-            SettingUtil.switchEnableSmsHubApi(false);
-        }
-    }
 }
diff --git a/app/src/main/java/com/idormy/sms/forwarder/utils/HttpUtil.java b/app/src/main/java/com/idormy/sms/forwarder/utils/HttpUtil.java
index a417aead..4a73ce04 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/utils/HttpUtil.java
+++ b/app/src/main/java/com/idormy/sms/forwarder/utils/HttpUtil.java
@@ -9,11 +9,13 @@ import androidx.annotation.NonNull;
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.TypeReference;
 import com.hjq.toast.ToastUtils;
+import com.idormy.sms.forwarder.sender.RetryIntercepter;
 
 import java.io.IOException;
 import java.net.URLEncoder;
 import java.util.Map;
 import java.util.Objects;
+import java.util.concurrent.TimeUnit;
 
 import okhttp3.Call;
 import okhttp3.Callback;
@@ -25,7 +27,8 @@ import okhttp3.Response;
 
 @SuppressWarnings("unchecked")
 public class HttpUtil {
-    private static final OkHttpClient client = new OkHttpClient();
+    private static OkHttpClient client;
+    private static OkHttpClient retryClient;
     private static final String TAG = "HttpUtil";
     private static Boolean hasInit = false;
     @SuppressLint("StaticFieldLeak")
@@ -40,30 +43,43 @@ public class HttpUtil {
 
             hasInit = true;
             HttpUtil.context = context;
+            OkHttpClient.Builder clientBuilder = new OkHttpClient.Builder();
+            //设置读取超时时间
+            clientBuilder
+                    .readTimeout(Define.REQUEST_TIMEOUT_SECONDS, TimeUnit.SECONDS)
+                    .writeTimeout(Define.REQUEST_TIMEOUT_SECONDS, TimeUnit.SECONDS)
+                    .connectTimeout(Define.REQUEST_TIMEOUT_SECONDS, TimeUnit.SECONDS);
+            client = clientBuilder.build();
+            //设置重试拦截器
+            int retryTimes = SettingUtil.getRetryTimes();
+            int delayTime = SettingUtil.getDelayTime();
+            if (retryTimes > 0)
+                clientBuilder.addInterceptor(new RetryIntercepter.Builder().executionCount(retryTimes).retryInterval(delayTime).build());
+            retryClient = clientBuilder.build();
         }
     }
 
-    public static void asyncGet(String tag, String url, Object param, Lamda.Consumer<Response> onResponse, Lamda.Consumer<Exception> onFailure) {
+    public static void asyncGet(String tag, String url, Object param, Lamda.Consumer<Response> onResponse, Lamda.Consumer<Exception> onFailure, boolean doRetry) {
         StringBuilder resUrl = appendQueryStr(tag, url, param);
         Request request = new Request.Builder().url(resUrl.toString()).get().build();
         Lamda.Func<Call, String> func = call -> {
             call.enqueue(new Callback0(tag, onResponse, onFailure));
             return null;
         };
-        callAndCatch(tag, request, func);
+        callAndCatch(tag, request, func, doRetry);
     }
 
-    public static void asyncPostJson(String tag, String url, Object param, Lamda.Consumer<Response> onResponse, Lamda.Consumer<Exception> onFailure) {
+    public static void asyncPostJson(String tag, String url, Object param, Lamda.Consumer<Response> onResponse, Lamda.Consumer<Exception> onFailure, boolean doRetry) {
         String jsonString = JSON.toJSONString(param);
         Request request = new Request.Builder().url(url).post(RequestBody.create(jsonString, MEDIA_TYPE_JSON)).build();
         Lamda.Func<Call, String> func = call -> {
             call.enqueue(new Callback0(tag, onResponse, onFailure));
             return null;
         };
-        callAndCatch(tag, request, func);
+        callAndCatch(tag, request, func, doRetry);
     }
 
-    public static String postJson(String tag, String url, Object param) {
+    public static String postJson(String tag, String url, Object param, boolean doRetry) {
         String jsonString = JSON.toJSONString(param);
         Request request = new Request.Builder().url(url).post(RequestBody.create(jsonString, MEDIA_TYPE_JSON)).build();
         Lamda.Func<Call, String> func = call -> {
@@ -73,10 +89,10 @@ public class HttpUtil {
             }
             return null;
         };
-        return callAndCatch(tag, request, func);
+        return callAndCatch(tag, request, func, doRetry);
     }
 
-    public static String get(String tag, String url, Object param) {
+    public static String get(String tag, String url, Object param, boolean doRetry) {
         StringBuilder resUrl = appendQueryStr(tag, url, param);
         Request request = new Request.Builder().url(resUrl.toString()).get().build();
         Lamda.Func<Call, String> func = call -> {
@@ -86,7 +102,7 @@ public class HttpUtil {
             }
             return null;
         };
-        return callAndCatch(tag, request, func);
+        return callAndCatch(tag, request, func, doRetry);
     }
 
     public static void Toast(String Tag, String data) {
@@ -119,9 +135,9 @@ public class HttpUtil {
         return resUrl;
     }
 
-    public static String callAndCatch(String tag, Request request, Lamda.Func<Call, String> func) {
+    public static String callAndCatch(String tag, Request request, Lamda.Func<Call, String> func, boolean doRetry) {
         try {
-            Call call = client.newCall(request);
+            Call call = (doRetry ? retryClient : client).newCall(request);
             return func.execute(call);
         } catch (Exception e) {
             Toast(tag, "请求失败：" + e.getMessage());
@@ -158,7 +174,7 @@ public class HttpUtil {
 
         @Override
         public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException {
-            Log.d(tag, "onResponse：" + response.code() + ":" + Objects.requireNonNull(response.body()).toString());
+            Log.d(tag, "onResponse：" + response.code() + ":" + JSON.toJSONString(Objects.requireNonNull(response.body())));
             if (onResponse != null)
                 onResponse.executeThrowRunTimeExcp(response);
         }
diff --git a/app/src/main/java/com/idormy/sms/forwarder/utils/SmsHubActionHandler.java b/app/src/main/java/com/idormy/sms/forwarder/utils/SmsHubActionHandler.java
index 4a59658a..8269c69a 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/utils/SmsHubActionHandler.java
+++ b/app/src/main/java/com/idormy/sms/forwarder/utils/SmsHubActionHandler.java
@@ -4,8 +4,10 @@ import android.annotation.SuppressLint;
 import android.content.Context;
 import android.util.Log;
 
+import com.alibaba.fastjson.JSON;
 import com.idormy.sms.forwarder.model.LogModel;
 import com.idormy.sms.forwarder.model.vo.SmsHubVo;
+import com.idormy.sms.forwarder.sender.SmsHubApiTask;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -56,8 +58,17 @@ public class SmsHubActionHandler {
         }
     }
 
+    private static long falg = System.currentTimeMillis();
+
     public static synchronized void putData(SmsHubMode smsHubMode, SmsHubVo... smsHubVos) {
         if (isEnable(smsHubMode)) {
+            if (smsHubMode == SmsHubMode.server) {
+                long l = falg;
+                falg = System.currentTimeMillis();
+                if (System.currentTimeMillis() - l > SmsHubApiTask.DELAY_SECONDS * 3) {
+                    return;
+                }
+            }
             Objects.requireNonNull(cache.get(smsHubMode)).addAll(Arrays.asList(smsHubVos));
         }
     }
@@ -79,11 +90,12 @@ public class SmsHubActionHandler {
     }
 
     public static void handle(String tag, SmsHubVo vo) {
+        Log.i(tag, JSON.toJSONString(vo));
         String action = vo.getAction();
         if (SmsHubVo.Action.send.code().equals(action)) {
             send(tag, vo);
         } else {
-            String errMsg = "暂不支持的action:" + action;
+            String errMsg = "暂不支持的action[" + action + "]";
             vo.setErrMsg(errMsg);
             vo.setAction(SmsHubVo.Action.failure.code());
         }
@@ -97,11 +109,12 @@ public class SmsHubActionHandler {
         try {
             if (SmsHubVo.Action.send.code().equals(vo.getAction())) {
                 vo.setType(SmsHubVo.Type.sms.code());
-                logId = LogUtil.addLog(new LogModel(vo.getType(), vo.getTarget(), vo.getContent(), "SIM" + vo.getChannel(), RULE_ID));
                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP_MR1) {
-                    int simId = Integer.parseInt(vo.getChannel());
-                    vo.setChannel("SIM" + simId);
-                    msg = SmsUtil.sendSms(SimUtil.getSubscriptionIdBySimId(simId), vo.getTarget(), vo.getContent());
+                    int subscriptionIdBySimId = SimUtil.getSubscriptionIdBySimId(Integer.parseInt(vo.getChannel()) - 1);
+                    msg = SmsUtil.sendSms(subscriptionIdBySimId, vo.getTarget(), vo.getContent());
+                    String simInfo = "SIM" + (subscriptionIdBySimId + 1);
+                    vo.setChannel(simInfo);
+                    logId = LogUtil.addLog(new LogModel(vo.getType(), vo.getTarget(), vo.getContent(), simInfo, RULE_ID));
                     if (msg == null) {
                         failure = false;
                         HttpUtil.Toast(tag, "短信发送成功");