Update Dockerfile

README.md

@@ -0,0 +1,8 @@
+## wepush
+
+## 打包
+
+```
+ mvn clean package
+```
+

db/qywecahtpush.sql

@@ -45,9 +45,10 @@ CREATE TABLE device_info (
         sn VARCHAR(255),
         device_model VARCHAR(255),
         last_online_time BIGINT,
-        status INT
+        status INT,
+        remark VARCHAR(255)
 );
 
-INSERT INTO device_info (is_monitored, time_out_period, device_brand, android_version, sn, device_model, last_online_time, status) VALUES
+INSERT INTO device_info (is_monitored, time_out_period, device_brand, android_version, sn, device_model, last_online_time, status,remark) VALUES
-                    (1, 600, 'google', 'Android 10', UNIX_TIMESTAMP(), 1),
+                    (1, 1800, 'google', 'Android 10',,'Pixel 3', UNIX_TIMESTAMP(), 1,'转发设备'),
 

docker/Dockerfile

@@ -0,0 +1,17 @@
+# 基础镜像使用OpenJDK官方镜像，标签为17-jdk-slim，这是Java 17的精简版环境
+FROM openjdk:17-jdk-slim
+
+# 设置容器内的工作目录。如果该目录不存在，Docker将自动为你创建它。
+WORKDIR /app
+
+# 将构建生成的可执行jar包复制到容器内。假设jar包位于target/目录下，并命名为wePush-1.0.0.jar。
+COPY ../target/wePushApp-1.2.0.jar ./app.jar
+
+# 配置容器启动时运行的命令，这里用来启动Spring Boot应用。
+# 使用非root用户运行Java应用是一个好的安全实践。
+# 这里可以根据需要添加其他JVM参数，比如内存限制等。
+CMD ["java", "-jar", "/app/app.jar"]
+
+# 暴露8080端口，这是Spring Boot应用默认的端口。
+# 注意，实际部署时可能需要根据应用的具体配置来调整端口号。
+EXPOSE 8080

src/main/java/com/kimgo/wepush/common/JsonConverter.java

@@ -0,0 +1,22 @@
+package com.kimgo.wepush.common;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class JsonConverter<T> {
+
+    private final ObjectMapper objectMapper;
+
+    public JsonConverter () {
+        this.objectMapper = new ObjectMapper();
+    }
+
+    // 将对象序列化为 JSON 字符串
+    public String serialize(T object) throws JsonProcessingException {
+        return objectMapper.writeValueAsString(object);
+    }
+    // 将 JSON 字符串反序列化为对象
+    public T deserialize(String json, Class<T> clazz) throws JsonProcessingException {
+        return objectMapper.readValue(json, clazz);
+    }
+}

src/main/java/com/kimgo/wepush/controller/WeChatMsgForwarderController.java

@@ -22,18 +22,28 @@ public class WeChatMsgForwarderController {
         this.handleWeChatMsgService = handleWeChatMsgService;
     }
 
+    /**
+     * 接收微信消息。
+     *
+     * @param accessToken 访问令牌，用于验证请求的合法性。该参数通过请求头传递。
+     * @param weChatMsg 微信消息体，包含消息的各种内容。该参数通过请求体传递，并需通过验证。
+     * @return 返回处理结果，如果处理成功，返回成功状态和处理信息；如果失败，返回失败状态和错误信息。
+     */
     @PostMapping("/wechat")
     public ServerResponseEntity receiveMsg(@RequestHeader("accessToken") String accessToken,
-                                             @RequestBody @Valid WeChatMsg weChatMsg){
+                                           @RequestBody @Valid WeChatMsg weChatMsg){
-        logger.info("CallInfoO: {}",weChatMsg.toString());
+        logger.info("weChatMsg: {}",weChatMsg.toString());
+        // 检查accessToken是否为空，为空则返回错误信息
         if(accessToken == null){
             logger.warn("Access token is missing or empty");
             return ServerResponseEntity.fail("accessToken cannot be empty.");
         }
+        // 检查weChatMsg消息体是否有效，无效则返回错误信息
         if (weChatMsg.isInvalid()) {
             logger.debug("CallInfo has invalid fields.");
             return ServerResponseEntity.fail("json body value error.");
         }
+        // 调用服务处理微信消息
         return handleWeChatMsgService.handleMsg(accessToken,weChatMsg);
     }
 }

src/main/java/com/kimgo/wepush/exceptions/DatabaseQueryException.java

@@ -0,0 +1,11 @@
+package com.kimgo.wepush.exceptions;
+
+public class DatabaseQueryException extends Exception {
+    public DatabaseQueryException(String message) {
+        super(message);
+    }
+
+    public DatabaseQueryException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

src/main/java/com/kimgo/wepush/exceptions/DatabaseUpdateException.java

@@ -0,0 +1,11 @@
+package com.kimgo.wepush.exceptions;
+
+public class DatabaseUpdateException extends Exception{
+    public DatabaseUpdateException(String message) {
+        super(message);
+    }
+
+    public DatabaseUpdateException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

src/main/java/com/kimgo/wepush/model/DeviceInfoDAO.java

@@ -21,4 +21,5 @@ public class DeviceInfoDAO {
     private String deviceModel;
     private long lastOnlineTime;
     private int status;
+    private String remark;
 }

src/main/java/com/kimgo/wepush/model/TextMessage.java

@@ -21,6 +21,5 @@ public class TextMessage {
     public static class Text {
         private String content;
 
-
     }
 }

src/main/java/com/kimgo/wepush/request/Request.java

@@ -1,60 +0,0 @@
-package com.kimgo.wepush.request;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.kimgo.wepush.model.TextCardMessage;
-import com.kimgo.wepush.response.QyWeChatSendMessageApiResponse;
-import com.kimgo.wepush.service.QyWeChatURLService;
-import com.kimgo.wepush.service.TokenService;
-import okhttp3.MediaType;
-import okhttp3.OkHttpClient;
-import okhttp3.RequestBody;
-import okhttp3.Response;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import java.io.IOException;
-
-public class Request {
-    private final Logger logger = LoggerFactory.getLogger(Request.class);
-
-    public <T> QyWeChatSendMessageApiResponse okhttpRequest(String url,String accessToken,T object){
-        OkHttpClient client = new OkHttpClient();
-
-        // 使用Jackson进行序列化
-        ObjectMapper objectMapper = new ObjectMapper();
-        String jsonBody = null;
-        try {
-            jsonBody = objectMapper.writeValueAsString(object);
-            logger.info("jsonBody: {}",jsonBody);
-        } catch (JsonProcessingException e) {
-            logger.error("JSON processing error", e);
-            return null;
-        }
-        // 构建请求体
-        RequestBody body = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), jsonBody);
-        okhttp3.Request request = new okhttp3.Request.Builder().url(url).post(body).build();
-        try (Response response = client.newCall(request).execute()) {
-            String responseBody = response.body().string();
-            logger.info("request sendMessage api ResponseBody: {}", responseBody);
-
-            ObjectMapper objectMapper1 = new ObjectMapper();
-            QyWeChatSendMessageApiResponse apiResponse = objectMapper1.readValue(responseBody, QyWeChatSendMessageApiResponse.class);
-
-            if (apiResponse.getErrcode() == 0) {
-                logger.debug("Request qyWeChat Success.");
-                return apiResponse;
-            } else if (apiResponse.getErrcode() == 42001 || apiResponse.getErrcode() == 40014) {
-                logger.info("Access token expired. Refreshing token...");
-                // 一个方法来刷新accessToken
-                return apiResponse;
-            } else {
-                // 处理其他错误情况
-                logger.error("Error: {}", apiResponse.getErrmsg());
-                return null;
-            }
-        } catch (IOException e) {
-            logger.error("OkHttp request error", e);
-            return null;
-        }
-    }
-}

src/main/java/com/kimgo/wepush/request/SendQyWeChatMsgRequest.java

@@ -0,0 +1,78 @@
+package com.kimgo.wepush.request;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.kimgo.wepush.common.JsonConverter;
+import com.kimgo.wepush.response.QyWeChatSendMessageApiResponse;
+import com.kimgo.wepush.service.TokenService;
+import okhttp3.MediaType;
+import okhttp3.OkHttpClient;
+import okhttp3.RequestBody;
+import okhttp3.Response;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+
+public class SendQyWeChatMsgRequest {
+    private final Logger logger = LoggerFactory.getLogger(SendQyWeChatMsgRequest.class);
+    private final OkHttpClient client = new OkHttpClient();
+    private final TokenService tokenService;
+    private final JsonConverter<Object> jsonConverter = new JsonConverter<>();
+
+    public SendQyWeChatMsgRequest(TokenService tokenService) {
+        this.tokenService = tokenService;
+    }
+
+    public <T> QyWeChatSendMessageApiResponse okhttpRequest(String baseurl, String accessToken, T object) {
+        int retryCount = 0;
+        final int maxRetries = 2;
+
+        while (retryCount <= maxRetries) {
+            String url = baseurl + "?access_token=" + accessToken;
+            // 使用Jackson进行序列化
+            String jsonBody;
+            try {
+                jsonBody = jsonConverter.serialize(object);
+            } catch (JsonProcessingException e) {
+                return new QyWeChatSendMessageApiResponse(-1, "json serialization exception");
+            }
+            // 构建请求体
+            MediaType mediaType = MediaType.parse("application/json; charset=utf-8");
+            RequestBody body = RequestBody.create(jsonBody, mediaType);
+
+            okhttp3.Request request = new okhttp3.Request.Builder().url(url).post(body).build();
+            try (Response response = client.newCall(request).execute()) {
+                String responseBody = null;
+                if (response.body() != null) {
+                    responseBody = response.body().string();
+                }
+                logger.info("request sendMessage api ResponseBody: {}", responseBody);
+
+                ObjectMapper objectMapper1 = new ObjectMapper();
+                QyWeChatSendMessageApiResponse apiResponse = objectMapper1.readValue(responseBody, QyWeChatSendMessageApiResponse.class);
+
+                if (apiResponse.getErrcode() == 0) {
+                    logger.debug("Request qyWeChat Success.");
+                    return apiResponse;
+                } else if (apiResponse.getErrcode() == 42001 || apiResponse.getErrcode() == 40014) {
+                    logger.info("Access token expired. Refreshing token...");
+                    // 刷新accessToken
+                    tokenService.setAccessToken();
+                    accessToken = tokenService.getAccessToken();
+                    retryCount++;
+                } else {
+                    // 处理成功或其他错误情况
+                    return apiResponse;
+                }
+            } catch (IOException e) {
+                logger.error("OkHttp request error", e);
+                if (retryCount >= maxRetries) {
+                    return new QyWeChatSendMessageApiResponse(-1,"the maximum number of attempts exceeded");
+                }
+                retryCount++;
+            }
+        }
+        return new QyWeChatSendMessageApiResponse(-1,"request error.");
+    }
+}

src/main/java/com/kimgo/wepush/request/WeChatAPI.java

@@ -12,35 +12,51 @@ import java.io.IOException;
 
 public class WeChatAPI {
     private final Logger logger = LoggerFactory.getLogger(WeChatAPI.class);
+    /**
+     * 获取企业微信访问令牌
+     * @param corpid 企业ID
+     * @param corpsecret 企业密钥
+     * @return 返回获取到的访问令牌，如果获取失败则返回null
+     */
     public String getAccessToken(String corpid,String corpsecret){
+        // 创建OkHttpClient实例
         OkHttpClient client = new OkHttpClient();
 
+        // 设置请求URL并添加查询参数
         String url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken";
         HttpUrl.Builder urlBuilder = HttpUrl.parse(url).newBuilder();
         urlBuilder.addQueryParameter("corpid", corpid);
         urlBuilder.addQueryParameter("corpsecret", corpsecret);
 
+        // 构建请求
         Request request = new Request.Builder()
                 .url(urlBuilder.build())
                 .build();
 
         try (Response response = client.newCall(request).execute()) {
+            // 从响应中读取body内容
             String responseBody = response.body().string();
             logger.info("get qyWeChat AccessToken responseBody: {}", responseBody);
 
+            // 对响应内容进行JSON解析
             ObjectMapper objectMapper1 = new ObjectMapper();
             QyWeChatGetAccessTokenApiResponse qyWeChatGetAccessTokenApiResponse = objectMapper1.readValue(responseBody, QyWeChatGetAccessTokenApiResponse.class);
+            // 检查是否获取令牌成功
             if (qyWeChatGetAccessTokenApiResponse.getErrcode() == 0){
                 logger.debug("get qyWeChat AccessToken Success");
+                // 返回访问令牌
                 return qyWeChatGetAccessTokenApiResponse.getAccess_token();
             } else {
+                // 记录获取令牌失败的日志
                 logger.error("getAccessToken error: {}",qyWeChatGetAccessTokenApiResponse.getErrmsg());
                 return null;
             }
         } catch (IOException e) {
+            // 记录异常信息
             logger.error("getAccessToken error:",e);
             return null;
         }
     }
+
 }
 

src/main/java/com/kimgo/wepush/response/QyWeChatGetAccessTokenApiResponse.java

@@ -1,8 +1,10 @@
 package com.kimgo.wepush.response;
 
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 @Data
+@NoArgsConstructor
 public class QyWeChatGetAccessTokenApiResponse {
     long errcode;
     String errmsg;

src/main/java/com/kimgo/wepush/response/QyWeChatSendMessageApiResponse.java

@@ -1,10 +1,17 @@
 package com.kimgo.wepush.response;
 
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 @Data
+@NoArgsConstructor
 public class QyWeChatSendMessageApiResponse {
     private int errcode;
     private String errmsg;
     private String msgid;
+
+    public QyWeChatSendMessageApiResponse(int errcode, String errmsg) {
+        this.errcode = errcode;
+        this.errmsg = errmsg;
+    }
 }

src/main/java/com/kimgo/wepush/service/ApiSettingService.java

@@ -7,34 +7,62 @@ import com.kimgo.wepush.mapper.ApiSettingMapper;
 import com.kimgo.wepush.model.ApiSetting;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 @Service
 public class ApiSettingService {
     private final Logger logger = LoggerFactory.getLogger(ApiSettingService.class);
     private ApiSetting apiSetting;
-    @Autowired
+    private final ApiSettingMapper apiSettingMapper;
-    private ApiSettingMapper apiSettingMapper;
+    private final UserConfig userConfig;
-    @Autowired
+
-    private UserConfig userConfig;
+    public ApiSettingService(ApiSettingMapper apiSettingMapper, UserConfig userConfig) {
+        this.apiSettingMapper = apiSettingMapper;
+        this.userConfig = userConfig;
+    }
+
     public ApiSetting getApiSetting() {
         if (apiSetting == null) {
             queryApiSetting();
         }
         return apiSetting;
     }
-    private void queryApiSetting(){
+
+    /**
+     * 查询API设置信息。
+     * 该方法不接受参数，也不返回值，但会根据用户配置的电话号码查询数据库中的API设置信息，并更新相关的成员变量。
+     * 主要步骤包括：
+     * 1. 从用户配置中获取电话号码。
+     * 2. 构建查询条件。
+     * 3. 根据查询条件从数据库中查询唯一的API设置信息。
+     * 4. 记录查询结果的日志信息。
+     * 5. 如果查询结果为空，则更新API设置为null，并记录错误日志。
+     * 6. 最后，更新API设置成员变量为查询结果，并记录相应日志。
+     */
+    private void queryApiSetting() {
+        // 从用户配置中获取电话号码
         String phoneNumberToSearch = userConfig.getPhoneNumber();
+
+        // 构建查询条件
         QueryWrapper<ApiSetting> wrapper = new QueryWrapper<>();
         wrapper.eq("phone_number", phoneNumberToSearch);
+
+        // 根据查询条件查询API设置信息
         ApiSetting result = apiSettingMapper.selectOne(wrapper);
-        logger.info("result: {}",result);
+        // 记录查询结果
-        if (result == null){
+        logger.info("result: {}", result);
+
+        // 处理查询结果为空的情况
+        if (result == null) {
             apiSetting = null;
+            // 记录错误日志
             logger.error("updateAccessToken error");
         }
+
+        // 更新API设置成员变量
         apiSetting = result;
-        logger.info("get apiSetting from mysql,accessToken: {}",apiSetting);
+        // 记录更新日志
+        logger.info("get apiSetting from mysql,accessToken: {}", apiSetting);
     }
+
 }

src/main/java/com/kimgo/wepush/service/CallService.java

@@ -11,7 +11,6 @@ import okhttp3.OkHttpClient;
 import okhttp3.RequestBody;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import okhttp3.*;
 
@@ -20,43 +19,78 @@ import java.io.IOException;
 @Service
 public class CallService {
     private final Logger logger = LoggerFactory.getLogger(CallService.class);
-    @Autowired
+    private final QyWeChatURLService qyWeChatURLService;
-    private QyWeChatURLService qyWeChatURLService;
+    private final ApiSettingService apiSettingService;
-    @Autowired
+    final
-    private ApiSettingService apiSettingService;
-    @Autowired
     TokenService tokenService;
-    public ServerResponseEntity getPhoneNumber(String accessToken, CallInfo callInfo){
+
+    public CallService(QyWeChatURLService qyWeChatURLService, ApiSettingService apiSettingService, TokenService tokenService) {
+        this.qyWeChatURLService = qyWeChatURLService;
+        this.apiSettingService = apiSettingService;
+        this.tokenService = tokenService;
+    }
+
+    /**
+     * 根据提供的accessToken和呼叫信息获取电话号码。
+     * 首先验证提供的accessToken的有效性，然后通过调用信息（电话号码和呼叫时间）向企业微信发送消息，
+     * 并根据企业微信的响应返回成功或失败的服务器响应。
+     *
+     * @param accessToken 用户提供的accessToken用于身份验证。
+     * @param callInfo    呼叫信息，包含电话号码和呼叫时间。
+     * @return 返回一个服务器响应实体，如果成功则包含消息ID，如果失败则包含错误信息。
+     */
+    public ServerResponseEntity getPhoneNumber(String accessToken, CallInfo callInfo) {
+        // 通过token服务获取正确的accessToken
         String correctAccessToken = tokenService.getApiAccessToken();
-        logger.info("accessToken: {} correctAccessToken: {}",accessToken,correctAccessToken);
+        logger.info("accessToken: {} correctAccessToken: {}", accessToken, correctAccessToken);
-        if (!correctAccessToken.equals(accessToken)){
+        // 验证提供的accessToken是否有效
+        if (!correctAccessToken.equals(accessToken)) {
             return ServerResponseEntity.fail("Invalid accessToken");
         }
+        // 从呼叫信息中获取电话号码和呼叫时间
         String phoneNumber = callInfo.getPhoneNumber();
         String callTime = callInfo.getCallTime();
+        // 获取企业微信的访问令牌
         String qyAccessToken = tokenService.getAccessToken();
-        QyWeChatSendMessageApiResponse qyWeChatSendMessageApiResponse = requestWithOkhttp(qyAccessToken,phoneNumber,callTime);
+        // 使用企业微信的accessToken、电话号码和呼叫时间发送消息，并获取响应
+        QyWeChatSendMessageApiResponse qyWeChatSendMessageApiResponse = requestWithOkhttp(qyAccessToken, phoneNumber, callTime);
+        // 检查发送消息的响应代码
         int code = qyWeChatSendMessageApiResponse.getErrcode();
-        if (code == 0){
+        if (code == 0) {
+            // 如果消息发送成功，构建并返回成功的服务器响应
             SendMessageResonse sendMessageResonse = new SendMessageResonse();
             sendMessageResonse.setMsgid(qyWeChatSendMessageApiResponse.getMsgid());
             return ServerResponseEntity.success(sendMessageResonse);
         } else {
+            // 如果消息发送失败，返回失败的服务器响应
             return ServerResponseEntity.fail("request qyWeChat error,please check server error log.");
         }
     }
 
+
+    /**
+     * 设置文本卡片消息的内容。
+     *
+     * @param phoneNumber 来电电话号码
+     * @param callTime    来电时间
+     * @return TextCardMessage 文本卡片消息对象，包含了设置好的内容
+     */
     public TextCardMessage setTextCardMessage(String phoneNumber, String callTime) {
         TextCardMessage textCardMessage = new TextCardMessage();
+        // 从api设置中获取用户信息，并设置到textCardMessage中
         textCardMessage.setTouser(apiSettingService.getApiSetting().getTouser());
         textCardMessage.setMsgtype(apiSettingService.getApiSetting().getMsgtype());
         textCardMessage.setAgentid(apiSettingService.getApiSetting().getAgentid());
         textCardMessage.setEnable_duplicate_check(apiSettingService.getApiSetting().getEnableDuplicateCheck());
         textCardMessage.setDuplicate_check_interval(apiSettingService.getApiSetting().getDuplicateCheckInterval());
+
+        // 创建TextCard对象，并设置其内容
         TextCardMessage.TextCard textCard = new TextCardMessage.TextCard();
         textCard.setTitle("新来电通知");
+        // 设置描述信息，包含来电号码和来电时间
         textCard.setDescription("<div class='gray'>您有一通新来电</div><div class='highlight'>来电号码: " + phoneNumber + "</div><div class='highlight'>来电时间: " + callTime + "</div>如果您认识这个号码，请及时回电。如果不认识，请注意可能是垃圾电话或诈骗电话。");
         textCard.setUrl("https://kimgo.cn");
+
         // 将TextCard对象设置到TextCardMessage中
         textCardMessage.setTextcard(textCard);
 
@@ -65,37 +99,53 @@ public class CallService {
         return textCardMessage;
     }
 
-    public QyWeChatSendMessageApiResponse requestWithOkhttp(String accessToken,String phoneNumber,String callTime){
+
+    /**
+     * 使用OkHttp发送企业微信文本卡片消息。
+     *
+     * @param accessToken 访问令牌，用于授权访问企业微信API。
+     * @param phoneNumber 接收消息的手机号码。
+     * @param callTime    预约的呼叫时间。
+     * @return 返回企业微信发送消息的API响应，如果失败则返回null。
+     */
+    public QyWeChatSendMessageApiResponse requestWithOkhttp(String accessToken, String phoneNumber, String callTime) {
+        // 构建发送文本卡片消息的URL
         String url = qyWeChatURLService.getSendTextCardMessageUrl() + "?access_token=" + accessToken;
         OkHttpClient client = new OkHttpClient();
 
-        TextCardMessage textCardMessage = setTextCardMessage(phoneNumber,callTime);
+        // 设置文本卡片消息内容
-        // 使用Jackson进行序列化
+        TextCardMessage textCardMessage = setTextCardMessage(phoneNumber, callTime);
+        // 将消息对象序列化为JSON字符串
         ObjectMapper objectMapper = new ObjectMapper();
         String jsonBody;
         try {
             jsonBody = objectMapper.writeValueAsString(textCardMessage);
-            logger.info("jsonBody: {}",jsonBody);
+            logger.info("jsonBody: {}", jsonBody);
         } catch (JsonProcessingException e) {
             logger.error("JSON processing error", e);
             return null;
         }
-        // 构建请求体
+
+        // 构建HTTP请求体
         RequestBody body = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), jsonBody);
         Request request = new Request.Builder().url(url).post(body).build();
         try (Response response = client.newCall(request).execute()) {
+            // 从响应中读取内容
             String responseBody = response.body().string();
             logger.info("request sendMessage api ResponseBody: {}", responseBody);
 
+            // 反序列化API响应
             ObjectMapper objectMapper1 = new ObjectMapper();
             QyWeChatSendMessageApiResponse apiResponse = objectMapper1.readValue(responseBody, QyWeChatSendMessageApiResponse.class);
 
+            // 处理不同的API响应结果
             if (apiResponse.getErrcode() == 0) {
                 logger.debug("Request qyWeChat Success.");
                 return apiResponse;
             } else if (apiResponse.getErrcode() == 42001 || apiResponse.getErrcode() == 40014) {
+                // 处理访问令牌过期的情况，刷新令牌后重新发送消息
                 logger.info("Access token expired. Refreshing token...");
-                tokenService.setAccessToken();  // 一个方法来刷新accessToken
+                tokenService.setAccessToken();  // 刷新accessToken的方法
                 String newAccessToken = tokenService.getAccessToken();
                 return requestWithOkhttp(newAccessToken, phoneNumber, callTime);
             } else {

src/main/java/com/kimgo/wepush/service/HandleWeChatMsgService.java

@@ -52,8 +52,8 @@ public class HandleWeChatMsgService {
         text.setContent("你有一条微信通知\n"+
                 "\nsender: " + weChatMsg.getSender() +
                 "\ntitle: "+ weChatMsg.getTitle() +
-                "接受时间: " +weChatMsg.getCurrentTime() +
+                "\n接受时间: " +weChatMsg.getCurrentTime() +
-                "\n内容: \n\n"+ weChatMsg.getMessage());
+                "\n\n内容: \n"+ weChatMsg.getMessage());
         textMessage.setText(text);
         logger.info("TextMessage: {}", textMessage);
         return textMessage;

src/main/java/com/kimgo/wepush/service/HeartBeatService.java

@@ -1,40 +1,54 @@
-package com.kimgo.wepush.service;
+    package com.kimgo.wepush.service;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
+import com.kimgo.wepush.exceptions.DatabaseQueryException;
 import com.kimgo.wepush.mapper.DeviceInfoDAOMapper;
 import com.kimgo.wepush.model.DeviceInfo;
 import com.kimgo.wepush.model.DeviceInfoDAO;
 import com.kimgo.wepush.response.ServerResponseEntity;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 @Service
 public class HeartBeatService {
     private final Logger logger = LoggerFactory.getLogger(HeartBeatService.class);
     private final long TIME_OUT_PERIOD = 600;
-    @Autowired
+    private final TokenService tokenService;
-    TokenService tokenService;
+    private final DeviceInfoDAOMapper deviceInfoDAOMapper;
-    @Autowired
+
-    private DeviceInfoDAOMapper deviceInfoDAOMapper;
+    public HeartBeatService(TokenService tokenService, DeviceInfoDAOMapper deviceInfoDAOMapper) {
-    public ServerResponseEntity handleHeartbeatSignal(String accessToken,DeviceInfo deviceInfo) {
+        this.tokenService = tokenService;
+        this.deviceInfoDAOMapper = deviceInfoDAOMapper;
+    }
+
+    public ServerResponseEntity handleHeartbeatSignal(String accessToken, DeviceInfo deviceInfo) {
         String correctAccessToken = tokenService.getApiAccessToken();
-        logger.info("accessToken: {} correctAccessToken: {}",accessToken,correctAccessToken);
+        logger.info("accessToken: {} correctAccessToken: {}", accessToken, correctAccessToken);
-        if (!correctAccessToken.equals(accessToken)){
+        if (!correctAccessToken.equals(accessToken)) {
             return ServerResponseEntity.fail("Invalid accessToken");
         }
-        DeviceInfoDAO deviceInfoDAO = getDeviceInfoBySN(deviceInfo.getSN());
+        try {
-        logger.info("deviceInfoDAO: {}",deviceInfoDAO);
+            DeviceInfoDAO deviceInfoDAO = getDeviceInfoBySN(deviceInfo.getSN());
-        if (deviceInfoDAO == null) {
+            if (deviceInfoDAO == null) {
-            // 设备信息不存在，可能是无效的设备
+                // 设备信息不存在，可能是无效的设备
-            boolean isSuccess =  addDeviceInfo(deviceInfo);
+                logger.info("device not find,start add device to mysql.");
-            if (isSuccess){
+                boolean isSuccess = addDeviceInfo(deviceInfo);
-                return ServerResponseEntity.success();
+                if (isSuccess) {
-            } else {
+                    return ServerResponseEntity.success();
-                logger.info("add to mysql error");
+                } else {
+                    logger.info("add to mysql error");
+                    return ServerResponseEntity.fail("server error,please check log.");
+                }
             }
+        } catch (DatabaseQueryException e) {
+            // 处理查询失败的情况
+            logger.error("Database query failed.", e);
+            return ServerResponseEntity.fail("Database query failed");
+        } catch (Exception e) {
+            logger.error("update client status error.");
+            return ServerResponseEntity.fail("Error updating client status");
         }
         try {
             updateClientStatus(deviceInfo);
@@ -64,10 +78,11 @@ public class HeartBeatService {
     }
 
     public boolean addDeviceInfo(DeviceInfo deviceInfo) {
+        logger.info("start add device. device info: {}", deviceInfo);
         try {
             DeviceInfoDAO deviceInfoDAO = convertToDeviceInfoDAO(deviceInfo);
             int result = deviceInfoDAOMapper.insert(deviceInfoDAO);
-            logger.info("result: {}",result);
+            logger.info("result: {}", result);
             return result > 0;
         } catch (Exception e) {
             logger.error("Error adding device info", e);
@@ -81,19 +96,20 @@ public class HeartBeatService {
      * @param SN 要查询的 SN。
      * @return 与 androidId 对应的 DeviceInfoDAO 对象，如果没有找到，则返回 null。
      */
-    public DeviceInfoDAO getDeviceInfoBySN(String SN) {
+    public DeviceInfoDAO getDeviceInfoBySN(String SN) throws DatabaseQueryException {
         QueryWrapper<DeviceInfoDAO> queryWrapper = new QueryWrapper<>();
         queryWrapper.eq("sn", SN);
         try {
             DeviceInfoDAO deviceInfoDAO = deviceInfoDAOMapper.selectOne(queryWrapper);
             if (deviceInfoDAO != null) {
-                logger.info("Data is queried in the database based on the SN");
+                //logger.info("Data is queried in the database based on the SN");
                 return deviceInfoDAO;
             }
+            return null; // 数据不存在
         } catch (Exception e) {
             logger.error("Error querying device info by SN", e);
+            throw new DatabaseQueryException("Error querying device info by SN", e);
         }
-        return null;
     }
 
 
@@ -104,8 +120,8 @@ public class HeartBeatService {
      * @return 转换后的 DeviceInfoDAO 对象。
      */
     private DeviceInfoDAO convertToDeviceInfoDAO(DeviceInfo deviceInfo) {
-        // 这里需要实现将 DeviceInfo 转换为 DeviceInfoDAO 的逻辑
+//        logger.info("start convert to device info dao");
-        // 示例代码（根据实际字段调整）：
+
         DeviceInfoDAO deviceInfoDAO = new DeviceInfoDAO();
         deviceInfoDAO.setIsMonitored(1);
         deviceInfoDAO.setDeviceBrand(deviceInfo.getDeviceBrand());

src/main/java/com/kimgo/wepush/service/MonitorService.java

@@ -2,72 +2,102 @@ package com.kimgo.wepush.service;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
+import com.kimgo.wepush.exceptions.DatabaseQueryException;
+import com.kimgo.wepush.exceptions.DatabaseUpdateException;
 import com.kimgo.wepush.mapper.DeviceInfoDAOMapper;
 import com.kimgo.wepush.model.DeviceInfoDAO;
 import com.kimgo.wepush.model.TextCardMessage;
-import com.kimgo.wepush.request.Request;
+import com.kimgo.wepush.request.SendQyWeChatMsgRequest;
 import com.kimgo.wepush.response.QyWeChatSendMessageApiResponse;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
-import java.util.Collections;
 import java.util.List;
 
 @Service
 public class MonitorService {
-    @Autowired
+    private final ApiSettingService apiSettingService;
-    private ApiSettingService apiSettingService;
+    private final QyWeChatURLService qyWeChatURLService;
-    @Autowired
+    private final TokenService tokenService;
-    private QyWeChatURLService qyWeChatURLService;
-    @Autowired
-    private TokenService tokenService;
     private final Logger logger = LoggerFactory.getLogger(MonitorService.class);
-    @Autowired
+    private final DeviceInfoDAOMapper deviceInfoDAOMapper;
-    private DeviceInfoDAOMapper deviceInfoDAOMapper;
 
+    public MonitorService(ApiSettingService apiSettingService, QyWeChatURLService qyWeChatURLService, TokenService tokenService, DeviceInfoDAOMapper deviceInfoDAOMapper) {
+        this.apiSettingService = apiSettingService;
+        this.qyWeChatURLService = qyWeChatURLService;
+        this.tokenService = tokenService;
+        this.deviceInfoDAOMapper = deviceInfoDAOMapper;
+    }
+
+    /**
+     * 定时监控在线设备的状态。
+     * 该方法每隔固定的时间间隔（480000毫秒）执行一次，用于检查数据库中的设备是否在线。
+     * 对于每个设备，如果其最后上线时间与当前时间的差值超过了设备的超时周期，则认为该设备已离线，并更新设备状态及发送通知。
+     *
+     * @Scheduled 注解指定了方法的定时执行策略，fixedDelay属性表示执行完一次后，隔多长时间再执行下一次。
+     */
     @Scheduled(fixedDelay = 480000)
     public void monitorOnlineDevices() {
-        List<DeviceInfoDAO> devices = getAllDevices();
+
+        List<DeviceInfoDAO> devices;
+        try {
+            // 尝试从数据库获取所有设备信息
+            devices = getAllDevices();
+        } catch (DatabaseQueryException e) {
+            // 查询设备信息出错时的处理逻辑
+            logger.error("monitor online devices error.");
+            return;
+        }
         if (devices.isEmpty()) {
-            // 没有找到数据的处理逻辑
+            // 如果查询到的设备列表为空，记录日志并返回
             logger.info("no data was queried.");
+            return;
         }
         for (DeviceInfoDAO device : devices) {
             try {
-                if (device.getIsMonitored() != 1){
+                // 如果设备不被监控，则跳过该设备的处理
-                    logger.info("device is not monitored ,device SN: {}",device.getSN());
+                if (device.getIsMonitored() != 1) {
+                    logger.info("device is not monitored ,device SN: {}", device.getSN());
                     continue;
                 }
+                // 计算设备最后上线时间与当前时间的差值
                 long currentTimeMillis = System.currentTimeMillis();
                 long timeDifferenceMillis = currentTimeMillis - device.getLastOnlineTime();
                 long timeDifferenceSeconds = timeDifferenceMillis / 1000;
+                // 如果设备超出设定的超时周期未上线，则认为设备离线，并进行相应处理
                 if (timeDifferenceSeconds > device.getTimeOutPeriod()) {
-                    logger.info("currentTimeMillis: {},device LastOnlineTime: {},时间差: {},设备超时时间: {}",currentTimeMillis,
+                    //logger.info("Device offline. SN: {}, LastOnlineTime: {}, TimeDifference: {}, TimeoutPeriod: {}",
-                            device.getLastOnlineTime(),timeDifferenceSeconds,device.getTimeOutPeriod());
+                    //device.getSN(), device.getLastOnlineTime(), timeDifferenceSeconds, device.getTimeOutPeriod());
-                    updateStatus(device, 0); // 设备离线
+                    updateStatus(device, 0); // 更新设备状态为离线
                     logger.info("Update the device status to offline.");
-                    sendNotification(device);
+                    sendNotification(device); // 发送设备离线通知
                 } else {
-                    updateStatus(device, 1); // 设备在线
+                    // 如果设备仍在设定的超时周期内上线，则认为设备在线，并更新设备状态
-                    logger.info("update the device status to online.");
+                    updateStatus(device, 1); // 更新设备状态为在线
+                    //logger.info("update the device status to online.");
                 }
+            } catch (DatabaseUpdateException dbe) {
+                // 更新数据库出错时的处理逻辑
+                logger.error("update to mysql error.");
+                return;
             } catch (Exception e) {
+                // 处理设备信息处理过程中出现的其他异常
                 logger.error("Error processing device with SN " + device.getSN(), e);
             }
         }
     }
 
+
     /**
      * 获取数据库中所有DeviceInfoDAO对象的id。
      *
      * @return 包含所有id的列表。
      */
-    private List<DeviceInfoDAO> getAllDevices() {
+    private List<DeviceInfoDAO> getAllDevices() throws DatabaseQueryException {
         try {
             // 查询所有DeviceInfoDAO对象
             List<DeviceInfoDAO> deviceInfoDAOs = deviceInfoDAOMapper.selectList(new QueryWrapper<>());
@@ -75,63 +105,104 @@ public class MonitorService {
             return deviceInfoDAOs;
         } catch (Exception e) {
             logger.error("Error querying all device info IDs", e);
+            throw new DatabaseQueryException("get all devices error.", e);
         }
-        return Collections.emptyList();
     }
 
 
-    private void sendNotification(DeviceInfoDAO deviceInfoDAO){
+    /**
-        Request request = new Request();
+     * 发送通知消息到企业微信。
+     *
+     * @param deviceInfoDAO 设备信息数据访问对象，用于获取发送通知所需的信息。
+     *                      本函数不返回任何值，但会通过日志记录发送成功或失败的信息。
+     */
+    private void sendNotification(DeviceInfoDAO deviceInfoDAO) {
+        // 创建发送企业微信消息的请求对象，并初始化它
+        SendQyWeChatMsgRequest sendQyWeChatMsgRequest = new SendQyWeChatMsgRequest(tokenService);
+        // 获取访问令牌
         String accessToken = tokenService.getAccessToken();
-        String url = qyWeChatURLService.getSendTextCardMessageUrl() + "?access_token=" + accessToken;
+        // 获取发送文本卡片消息的URL
-        QyWeChatSendMessageApiResponse qyWeChatSendMessageApiResponse = request.okhttpRequest(url,accessToken,setTextCardMessage(deviceInfoDAO));
+        String url = qyWeChatURLService.getSendTextCardMessageUrl();
-        if (qyWeChatSendMessageApiResponse ==null){
+        // 发送请求，并获取响应
+        QyWeChatSendMessageApiResponse qyWeChatSendMessageApiResponse = sendQyWeChatMsgRequest.okhttpRequest(url,
+                accessToken, setTextCardMessage(deviceInfoDAO));
+        // 如果发送响应为空，则记录发送失败
+        if (qyWeChatSendMessageApiResponse == null) {
             logger.info("Send Notification Fail");
         }
+        // 如果发送响应不为空且错误码为0，记录发送成功
         if (qyWeChatSendMessageApiResponse != null && qyWeChatSendMessageApiResponse.getErrcode() == 0) {
             logger.info("Send Notification Success");
         }
     }
+
+    /**
+     * 构建并设置文本卡片消息的内容。
+     *
+     * @param deviceInfoDAO 设备信息数据访问对象，用于获取设备的详细信息。
+     * @return TextCardMessage 返回构建完成的文本卡片消息对象。
+     */
     public TextCardMessage setTextCardMessage(DeviceInfoDAO deviceInfoDAO) {
         TextCardMessage textCardMessage = new TextCardMessage();
 
+        // 设置消息的基本信息，如接收用户、消息类型和企业ID
         textCardMessage.setTouser(apiSettingService.getApiSetting().getTouser());
         textCardMessage.setMsgtype(apiSettingService.getApiSetting().getMsgtype());
         textCardMessage.setAgentid(apiSettingService.getApiSetting().getAgentid());
         textCardMessage.setEnable_duplicate_check(0);
 
+        // 创建文本卡片对象，并设置其内容
         TextCardMessage.TextCard textCard = new TextCardMessage.TextCard();
         textCard.setTitle("设备掉线通知");
+        // 使用当前时间格式化字符串
         String formattedCurrentTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
+        // 设置卡片的描述信息，包含设备的详细掉线通知
         textCard.setDescription("<div class='gray'>设备信息</div>" +
                 "<div class='highlight'>品牌: " + deviceInfoDAO.getDeviceBrand() + "</div>" +
                 "<div class='highlight'>设备型号: " + deviceInfoDAO.getDeviceModel() + "</div>" +
                 "<div class='highlight'>安卓版本: " + deviceInfoDAO.getAndroidVersion() + "</div>" +
                 "<div class='highlight'>SN: " + deviceInfoDAO.getSN() + "</div>" +
                 "<div class='highlight'>监测到掉线时间: " + formattedCurrentTime + "</div>" +
+                "<div class='highlight'>备注: " + deviceInfoDAO.getRemark() + "</div>" +
                 "检测到设备已掉线,请及时查看设备状态.");
         textCard.setUrl("https://kimgo.cn");
-        // 将TextCard对象设置到TextCardMessage中
+        // 将构建的TextCard对象设置到TextCardMessage中
         textCardMessage.setTextcard(textCard);
 
+        // 记录文本卡片消息的内容
         logger.info("TextCardMessage: {}", textCardMessage);
 
         return textCardMessage;
     }
-    private void updateStatus(DeviceInfoDAO device, int status) {
+
+
+    /**
+     * 更新设备的状态信息。
+     *
+     * @param device 设备信息对象，包含需要更新的设备的SN（序列号）。
+     * @param status 需要更新到的新状态。
+     * @throws DatabaseUpdateException 如果数据库更新过程中发生异常，则抛出此异常。
+     */
+    private void updateStatus(DeviceInfoDAO device, int status) throws DatabaseUpdateException {
         try {
+            // 构建更新条件，设置更新的状态值
             UpdateWrapper<DeviceInfoDAO> updateWrapper = new UpdateWrapper<>();
             updateWrapper.eq("SN", device.getSN());
             updateWrapper.set("status", status);
 
+            // 执行更新操作
             int result = deviceInfoDAOMapper.update(null, updateWrapper);
+            // 根据更新结果进行日志记录
             if (result > 0) {
                 logger.debug("Update successful for SN: " + device.getSN());
             } else {
                 logger.warn("Update failed: No rows affected for SN: " + device.getSN());
             }
         } catch (Exception e) {
+            // 捕获异常，记录错误日志，并抛出数据库更新异常
             logger.error("Error updating status for SN: " + device.getSN(), e);
+            throw new DatabaseUpdateException("update to mysql error.", e);
         }
     }
+
 }

src/main/java/com/kimgo/wepush/service/QyWeChatURLService.java

@@ -2,25 +2,25 @@ package com.kimgo.wepush.service;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.kimgo.wepush.config.UserConfig;
-import com.kimgo.wepush.mapper.QyWeChatAppInfoMapper;
 import com.kimgo.wepush.mapper.QyWeChatURLMapper;
-import com.kimgo.wepush.model.QyWeChatAppInfo;
 import com.kimgo.wepush.model.QyWeChatURL;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 @Service
 public class QyWeChatURLService {
     private final Logger logger = LoggerFactory.getLogger(QyWeChatURLService.class);
-    @Autowired
+    private final QyWeChatURLMapper qyWeChatURLMapper;
-    private QyWeChatURLMapper qyWeChatURLMapper;
+    private final UserConfig userConfig;
-    @Autowired
-    private UserConfig userConfig;
     private String sendTextCardMessageUrl;
     private String qyWechatGetTokenUrl;
 
+    public QyWeChatURLService(QyWeChatURLMapper qyWeChatURLMapper, UserConfig userConfig) {
+        this.qyWeChatURLMapper = qyWeChatURLMapper;
+        this.userConfig = userConfig;
+    }
+
     public String getSendTextCardMessageUrl() {
         if (sendTextCardMessageUrl == null){
             queryURL();
@@ -32,11 +32,13 @@ public class QyWeChatURLService {
         QueryWrapper<QyWeChatURL> wrapper = new QueryWrapper<>();
         wrapper.eq("phone_number", phoneNumberToSearch);
         QyWeChatURL result = qyWeChatURLMapper.selectOne(wrapper);
-        if (result == null){
+        if (result != null){
             logger.error("queryURL error");
+            logger.info("queryURL result： {}",result);
+            sendTextCardMessageUrl = result.getSendTextCardMessageUrl();
+            qyWechatGetTokenUrl = result.getQyWechatGetTokenUrl();
+        } else {
+            logger.error("queryURL error.");
         }
-        logger.info("queryURL result： {}",result.toString());
+    }
-        sendTextCardMessageUrl = result.getSendTextCardMessageUrl();
-        qyWechatGetTokenUrl = result.getQyWechatGetTokenUrl();
-    };
 }

src/main/java/com/kimgo/wepush/service/SMSService.java

@@ -19,12 +19,15 @@ import java.io.IOException;
 public class SMSService {
     private final Logger logger = LoggerFactory.getLogger(SMSService.class);
 
-    @Autowired
+    private final ApiSettingService apiSettingService;
-    private ApiSettingService apiSettingService;
+    private final TokenService tokenService;
-    @Autowired
+    private final QyWeChatURLService qyWeChatURLService;
-    private TokenService tokenService;
+
-    @Autowired
+    public SMSService(ApiSettingService apiSettingService, TokenService tokenService, QyWeChatURLService qyWeChatURLService) {
-    private QyWeChatURLService qyWeChatURLService;
+        this.apiSettingService = apiSettingService;
+        this.tokenService = tokenService;
+        this.qyWeChatURLService = qyWeChatURLService;
+    }
 
     public ServerResponseEntity getSMSInfo(String accessToken, SMSInfo smsInfo){
         String correctAccessToken = tokenService.getApiAccessToken();

src/main/java/com/kimgo/wepush/service/TokenService.java

@@ -10,21 +10,23 @@ import com.kimgo.wepush.model.QyWeChatAppInfo;
 import com.kimgo.wepush.request.WeChatAPI;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 @Service
 public class TokenService {
     private final Logger logger = LoggerFactory.getLogger(TokenService.class);
-    @Autowired
+    private final UserConfig userConfig;
-    private UserConfig userConfig;
+    private final QyWeChatAppInfoMapper qyWeChatAppInfoMapper;
-    @Autowired
+    private final ApiSettingMapper apiSettingMapper;
-    private QyWeChatAppInfoMapper qyWeChatAppInfoMapper;
-    @Autowired
-    private ApiSettingMapper apiSettingMapper;
     private String accessToken;
     private String apiAccessToken;
 
+    public TokenService(ApiSettingMapper apiSettingMapper, QyWeChatAppInfoMapper qyWeChatAppInfoMapper, UserConfig userConfig) {
+        this.apiSettingMapper = apiSettingMapper;
+        this.qyWeChatAppInfoMapper = qyWeChatAppInfoMapper;
+        this.userConfig = userConfig;
+    }
+
     public String getAccessToken() {
         if (accessToken == null) {
             updateAccessToken();

src/main/resources/logback-dev.xml

@@ -11,7 +11,6 @@
             <pattern>%date %level [%thread] %logger{10} [%file:%line] %msg%n</pattern>
         </encoder>
     </appender>
-
     <root level="info">
         <appender-ref ref="STDOUT"/>
         <appender-ref ref="FILE"/>

src/test/java/com/kimgo/wepush/service/HeartBeatServiceTest.java

@@ -14,10 +14,12 @@ class HeartBeatServiceTest {
     @Test
     void updateClientStatus() {
         DeviceInfo deviceInfo = new DeviceInfo();
+        System.out.printf(deviceInfo.toString());
     }
 
     @Test
     void addDeviceInfo() {
         DeviceInfo deviceInfo = new DeviceInfo();
+        System.out.printf(deviceInfo.toString());
     }
 }

src/test/java/com/kimgo/wepush/service/MonitorServiceTest.java

@@ -11,7 +11,6 @@ class MonitorServiceTest {
 
     @Test
     void monitorOnlineDevices() {
-
         monitorService.monitorOnlineDevices();
     }
 }