diff --git a/src/后端/src/main/java/com/softegg/freetogo/Api/authencation/authenticationController.java b/src/后端/src/main/java/com/softegg/freetogo/Api/authencation/authenticationController.java
index 964685c..ef4bb10 100644
--- a/src/后端/src/main/java/com/softegg/freetogo/Api/authencation/authenticationController.java
+++ b/src/后端/src/main/java/com/softegg/freetogo/Api/authencation/authenticationController.java
@@ -1,30 +1,25 @@
-package com.softegg.freetogo.Api.authencation;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
-
-import java.io.IOException;
-
-/**
- * @description: 身份验证控制类
- * @author: zhanglinhao
- * @date: 2024/5/23 15:47
- */
-@RestController
-@RequestMapping("/api")
-public class authenticationController {
-    @Autowired
-    com.softegg.freetogo.Api.authencation.authenticationService authenticationService;
-
-    /**
-     * @description: 身份验证
-     * @author: zhanglinhao
-     * @date: 2024/5/29 14:54
-     */
-    @GetMapping("authenticate")
-    public boolean authenticate(String idc, String phone, String name) throws IOException {
-        return authenticationService.authenticate(idc, phone, name);
-    }
-}
+//package com.softegg.freetogo.Api.authencation;
+//
+//import org.springframework.beans.factory.annotation.Autowired;
+//import org.springframework.web.bind.annotation.GetMapping;
+//import org.springframework.web.bind.annotation.RequestMapping;
+//import org.springframework.web.bind.annotation.RestController;
+//
+//import java.io.IOException;
+//
+///**
+// * @description:
+// * @author: zhanglinhao
+// * @date: 2024/5/23 15:47
+// */
+//@RestController
+//@RequestMapping("/api")
+//public class authenticationController {
+//    @Autowired
+//    com.softegg.freetogo.Api.authencation.authenticationService authenticationService;
+//
+//    @GetMapping("authenticate")
+//    public void authenticate(String idc, String phone, String name) throws IOException {
+//        authenticationService.authenticate(idc, phone, name);
+//    }
+//}
diff --git a/src/后端/src/main/java/com/softegg/freetogo/Api/authencation/authenticationService.java b/src/后端/src/main/java/com/softegg/freetogo/Api/authencation/authenticationService.java
index a6f3c8d..a077bfd 100644
--- a/src/后端/src/main/java/com/softegg/freetogo/Api/authencation/authenticationService.java
+++ b/src/后端/src/main/java/com/softegg/freetogo/Api/authencation/authenticationService.java
@@ -1,58 +1,56 @@
-package com.softegg.freetogo.Api.authencation;
-
-import okhttp3.FormBody;
-import okhttp3.OkHttpClient;
-import okhttp3.Request;
-import okhttp3.Response;
-import org.springframework.stereotype.Service;
-
-import java.io.IOException;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Map;
-
-/**
- * @description: 身份验证api
- * @author: zhanglinhao
- * @date: 2024/5/23 15:12
- */
-@Service
-public class authenticationService {
-    public Boolean authenticate(String idc, String phone, String name) throws IOException {
-        String url = "https://mobile3elements.shumaidata.com/mobile/verify_real_name";
-        String appCode = "15704c321ae8459bb36fcadd888d67c4";
-
-        Map<String, String> params = new HashMap<>();
-        params.put("idcard", idc);
-        params.put("mobile", phone);
-        params.put("name", name);
-        Boolean result = postForm(appCode, url, params);
-        System.out.println(result);
-        return result;
-    }
-
-    /**
-     * 用到的HTTP工具包：okhttp 3.13.1
-     * <dependency>
-     * <groupId>com.squareup.okhttp3</groupId>
-     * <artifactId>okhttp</artifactId>
-     * <version>3.13.1</version>
-     * </dependency>
-     */
-    public static Boolean postForm(String appCode, String url, Map<String, String> params) throws IOException {
-        OkHttpClient client = new OkHttpClient.Builder().build();
-        FormBody.Builder formbuilder = new FormBody.Builder();
-        Iterator<String> it = params.keySet().iterator();
-        while (it.hasNext()) {
-            String key = it.next();
-            formbuilder.add(key, params.get(key));
-        }
-        FormBody body = formbuilder.build();
-        Request request = new Request.Builder().url(url).addHeader("Authorization", "APPCODE " + appCode).post(body).build();
-        Response response = client.newCall(request).execute();
-        System.out.println("返回状态码" + response.code() + ",message:" + response.message());
+//package com.softegg.freetogo.Api.authencation;
+//
+//import okhttp3.FormBody;
+//import okhttp3.OkHttpClient;
+//import okhttp3.Request;
+//import okhttp3.Response;
+//import org.springframework.stereotype.Service;
+//
+//import java.io.IOException;
+//import java.util.HashMap;
+//import java.util.Iterator;
+//import java.util.Map;
+//
+///**
+// * @description: 身份验证api
+// * @author: zhanglinhao
+// * @date: 2024/5/23 15:12
+// */
+//@Service
+//public class authenticationService {
+//    public void authenticate(String idc, String phone, String name) throws IOException {
+//        String url = "https://mobile3elements.shumaidata.com/mobile/verify_real_name";
+//        String appCode = "15704c321ae8459bb36fcadd888d67c4";
+//
+//        Map<String, String> params = new HashMap<>();
+//        params.put("idcard", idc);
+//        params.put("mobile", phone);
+//        params.put("name", name);
+//        String result = postForm(appCode, url, params);
+//        System.out.println(result);
+//    }
+//
+//    /**
+//     * 用到的HTTP工具包：okhttp 3.13.1
+//     * <dependency>
+//     * <groupId>com.squareup.okhttp3</groupId>
+//     * <artifactId>okhttp</artifactId>
+//     * <version>3.13.1</version>
+//     * </dependency>
+//     */
+//    public static String postForm(String appCode, String url, Map<String, String> params) throws IOException {
+//        OkHttpClient client = new OkHttpClient.Builder().build();
+//        FormBody.Builder formbuilder = new FormBody.Builder();
+//        Iterator<String> it = params.keySet().iterator();
+//        while (it.hasNext()) {
+//            String key = it.next();
+//            formbuilder.add(key, params.get(key));
+//        }
+//        FormBody body = formbuilder.build();
+//        Request request = new Request.Builder().url(url).addHeader("Authorization", "APPCODE " + appCode).post(body).build();
+//        Response response = client.newCall(request).execute();
+//        System.out.println("返回状态码" + response.code() + ",message:" + response.message());
 //        String result = response.body().string();
 //        return result;
-        return response.code() == 200;
-    }
-}
\ No newline at end of file
+//    }
+//}
\ No newline at end of file
diff --git a/src/后端/src/main/java/com/softegg/freetogo/Api/captcha/captchaController.java b/src/后端/src/main/java/com/softegg/freetogo/Api/captcha/captchaController.java
new file mode 100644
index 0000000..b353697
--- /dev/null
+++ b/src/后端/src/main/java/com/softegg/freetogo/Api/captcha/captchaController.java
@@ -0,0 +1,40 @@
+//package com.softegg.freetogo.Api.captcha;
+//
+//import org.springframework.beans.factory.annotation.Autowired;
+//import org.springframework.web.bind.annotation.RequestMapping;
+//import org.springframework.web.bind.annotation.ResponseBody;
+//import org.springframework.web.bind.annotation.RestController;
+//
+///**
+// * @description:
+// * @author: zhanglinhao
+// * @date: 2024/5/24 9:54
+// */
+//@RestController
+//@RequestMapping("/api")
+//public class captchaController {
+//    @Autowired
+//    private RedisUtil redisUtil;
+//
+//    @RequestMapping("/captcha")
+//    public JsonResult captcha(HttpServletRequest request, HttpServletResponse response) throws Exception {
+//        SpecCaptcha specCaptcha = new SpecCaptcha(130, 48, 5);
+//        String verCode = specCaptcha.text().toLowerCase();
+//        String key = UUID.randomUUID().toString();
+//        // 存入redis并设置过期时间为30分钟
+//        redisUtil.setEx(key, verCode, 30, TimeUnit.MINUTES);
+//        // 将key和base64返回给前端
+//        return JsonResult.ok().put("key", key).put("image", specCaptcha.toBase64());
+//    }
+//
+//    @ResponseBody
+//    @PostMapping("/login")
+//    public JsonResult login(String username,String password,String verCode,String verKey){
+//        // 获取redis中的验证码
+//        String redisCode = redisUtil.get(verKey);
+//        // 判断验证码
+//        if (verCode==null || !redisCode.equals(verCode.trim().toLowerCase())) {
+//            return JsonResult.error("验证码不正确");
+//        }
+//    }
+//}
\ No newline at end of file
diff --git a/src/后端/src/main/java/com/softegg/freetogo/Api/captcha/captchaService.java b/src/后端/src/main/java/com/softegg/freetogo/Api/captcha/captchaService.java
new file mode 100644
index 0000000..6792ed2
--- /dev/null
+++ b/src/后端/src/main/java/com/softegg/freetogo/Api/captcha/captchaService.java
@@ -0,0 +1,18 @@
+package com.softegg.freetogo.Api.captcha;
+
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.geom.GeneralPath;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.util.Random;
+import java.util.UUID;
+
+/**
+ * @description:
+ * @author: zhanglinhao
+ * @date: 2024/5/24 9:27
+ */
+public class captchaService {
+}
diff --git a/src/后端/src/main/java/com/softegg/freetogo/Demand/service/DemandsServiceImpl.java b/src/后端/src/main/java/com/softegg/freetogo/Demand/service/DemandsServiceImpl.java
index b5a9959..d232db1 100644
--- a/src/后端/src/main/java/com/softegg/freetogo/Demand/service/DemandsServiceImpl.java
+++ b/src/后端/src/main/java/com/softegg/freetogo/Demand/service/DemandsServiceImpl.java
@@ -87,13 +87,8 @@ public class DemandsServiceImpl implements DemandsService {
 
     public List<Demands>  getDemandsByPhone(String phone) {
         List<Demands> demandsList = DemandsRepository.findByPhone(phone);
-        Iterator<Demands> iterator = demandsList.iterator();
-        while (iterator.hasNext()) {
-            Demands demand = iterator.next();
-            if (demand.getStatus() == 4) {
-                iterator.remove(); // 使用迭代器的 remove 方法
-            }
-        }
+        // 使用迭代器的 remove 方法
+        demandsList.removeIf(demand -> demand.getStatus() == 4);
         return demandsList;
     }
 
diff --git a/src/后端/src/main/java/com/softegg/freetogo/DemandMatch/service/DemandMatchServiceImpl.java b/src/后端/src/main/java/com/softegg/freetogo/DemandMatch/service/DemandMatchServiceImpl.java
index f10418d..d829eaf 100644
--- a/src/后端/src/main/java/com/softegg/freetogo/DemandMatch/service/DemandMatchServiceImpl.java
+++ b/src/后端/src/main/java/com/softegg/freetogo/DemandMatch/service/DemandMatchServiceImpl.java
@@ -43,13 +43,8 @@ public class DemandMatchServiceImpl implements DemandMatchService{
         String demandEndDate = demand.getEndDate();
         String demandMessage = demand.getMessage();
         List<GuideService> guideServiceList = guideServiceService.getGuideServiceByCity(demand.getCity());
-        Iterator<GuideService> iterator = guideServiceList.iterator();
-        while (iterator.hasNext()) {
-            GuideService guideService = iterator.next();
-            if (guideService.getStatus() > 1) {
-                iterator.remove(); // 使用迭代器的 remove 方法
-            }
-        }
+        // 使用迭代器的 remove 方法
+        guideServiceList.removeIf(guideService -> guideService.getStatus() > 1);
         int length = guideServiceList.size();
         double[] sumScores = new double[length];
         int i = 0;
@@ -71,12 +66,7 @@ public class DemandMatchServiceImpl implements DemandMatchService{
             list.add(new AbstractMap.SimpleEntry<>(sumScores[j], guideServiceList.get(j)));
         }
         // 根据sumScores的元素大小对 list 进行排序
-        list.sort(new Comparator<Map.Entry<Double, GuideService>>() {
-            @Override
-            public int compare(Map.Entry<Double, GuideService> o1, Map.Entry<Double, GuideService> o2) {
-                return o2.getKey().compareTo(o1.getKey());
-            }
-        });
+        list.sort((o1, o2) -> o2.getKey().compareTo(o1.getKey()));
         List<GuideService> newgList = new ArrayList<>();
         for (Map.Entry<Double, GuideService> entry : list) {
             newgList.add(entry.getValue());
@@ -95,12 +85,6 @@ public class DemandMatchServiceImpl implements DemandMatchService{
     public int match(int did, int gid){
         Demands demand = demandsService.getDemandById(did);
         GuideService guideService = guideServiceService.getGuideServiceById(gid);
-//        List<Integer> guideServiceIdList = demand.getGuideServiceIdList();
-//        if (guideServiceIdList == null) {
-//            guideServiceIdList = new ArrayList<>();
-//        }
-//        guideServiceIdList.add(gid);
-//        demand.setGuideServiceIdList(guideServiceIdList);
         List<Integer> demandIdList = guideService.getDemandIdList();
         if (demandIdList == null) {
             demandIdList = new ArrayList<>();
@@ -267,7 +251,7 @@ public class DemandMatchServiceImpl implements DemandMatchService{
      * @date: 2024/5/30 20:35
      */
     public static double jaccardSimilarity(String s1, String s2) {
-        if (s1 == null || s2 == null || s1.isEmpty() || s2.isEmpty()) {
+        if (s1 == null || s2 == null ) {
             return 0.0; // 如果任何一个字符串为空，直接返回0
         }
 
@@ -343,7 +327,7 @@ public class DemandMatchServiceImpl implements DemandMatchService{
      * @date: 2024/5/30 20:25
      */
     public static double diceCoefficient(String s1, String s2) {
-        if (s1 == null || s2 == null || s1.isEmpty() || s2.isEmpty()) {
+        if (s1 == null || s2 == null ) {
             return 0.0; // 如果任何一个字符串为空，直接返回0
         }
 
@@ -373,10 +357,6 @@ public class DemandMatchServiceImpl implements DemandMatchService{
             throw new IllegalArgumentException("Invalid input string or n-gram size");
         }
 
-        if (s.isEmpty()) {
-            return new HashSet<>(); // 返回空集合
-        }
-
         Set<String> nGrams = new HashSet<>();
         for (int i = 0; i <= s.length() - n; i++) {
             nGrams.add(s.substring(i, i + n));
@@ -410,7 +390,7 @@ public class DemandMatchServiceImpl implements DemandMatchService{
      */
     @Override
     public double messageScore(String gmessage, String dmessage){
-        double score = 0;
+        double score;
         double similarity1 = jaccardSimilarity(gmessage, dmessage);
         double similarity2 = cosineSimilarity(gmessage, dmessage);
         double similarity3 = diceCoefficient(gmessage, dmessage);
diff --git a/src/后端/src/main/java/com/softegg/freetogo/Evaluate/bean/Evaluations.java b/src/后端/src/main/java/com/softegg/freetogo/Evaluate/bean/Evaluations.java
index a1d4192..ff5cbc2 100644
--- a/src/后端/src/main/java/com/softegg/freetogo/Evaluate/bean/Evaluations.java
+++ b/src/后端/src/main/java/com/softegg/freetogo/Evaluate/bean/Evaluations.java
@@ -19,6 +19,7 @@ import lombok.Setter;
 @NoArgsConstructor
 public class Evaluations {
     @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private int eid;//评价id
     @Column(name = "createtime")
     private String ct;//创建日期
diff --git a/src/后端/src/main/java/com/softegg/freetogo/Evaluate/controller/EvaluationController.java b/src/后端/src/main/java/com/softegg/freetogo/Evaluate/controller/EvaluationController.java
index 78586cf..1a7de91 100644
--- a/src/后端/src/main/java/com/softegg/freetogo/Evaluate/controller/EvaluationController.java
+++ b/src/后端/src/main/java/com/softegg/freetogo/Evaluate/controller/EvaluationController.java
@@ -1,12 +1,10 @@
 package com.softegg.freetogo.Evaluate.controller;
 
-import com.softegg.freetogo.Debug.utils;
 import com.softegg.freetogo.Evaluate.bean.Evaluations;
 import com.softegg.freetogo.Evaluate.service.EvaluateService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
-import javax.swing.text.html.parser.Entity;
 import java.time.LocalDateTime;
 import java.util.List;
 import java.util.Map;
@@ -19,7 +17,6 @@ import java.util.Map;
 @RestController
 @RequestMapping("/evaluate")
 public class EvaluationController {
-    private final static utils util = new utils();
     @Autowired
     EvaluateService evaluateService;
 
@@ -43,17 +40,15 @@ public class EvaluationController {
      * @date: 2024/5/12 0:28
      */
     @PostMapping("addEvaluation")
-    public int addEvaluation(@RequestBody Map<String, String> ebody) {
+    public void addEvaluation(@RequestBody Map<String, String> ebody) {
         LocalDateTime currentTime = LocalDateTime.now();
         Evaluations evaluation = new Evaluations();
-        System.out.println(Integer.parseInt(ebody.get("did")));
-        evaluation.setEid(Integer.parseInt(ebody.get("did")));
+        evaluation.setEid(Integer.parseInt(ebody.get("eid")));
         evaluation.setEbody(ebody.get("ebody"));
         evaluation.setSatisfaction(Integer.parseInt(ebody.get("satisfaction")));
         evaluation.setCt(currentTime.toString());
         evaluation.setMt(currentTime.toString());
         evaluateService.addEvaluation(evaluation);
-        return 1;
     }
 
     /**
@@ -69,12 +64,7 @@ public class EvaluationController {
 //    }
     @GetMapping("getEvaluation")
     public Evaluations getEvaluation(int eid) {
-        try{
-        return evaluateService.getEvaluationById(eid);}
-
-        catch (Exception e){
-            return new Evaluations();
-        }
+        return evaluateService.getEvaluationById(eid);
     }
 
     /**
@@ -87,7 +77,7 @@ public class EvaluationController {
      */
     @PostMapping("editEvaluation")
     public void editEvaluation(@RequestBody Map<String, String> ebody) {
-        util.printInfo("接收的json:" + ebody);
+        System.out.println("接收的json:" + ebody);
         LocalDateTime currentTime = LocalDateTime.now();
         Evaluations evaluation = new Evaluations(Integer.parseInt(ebody.get("eid")), ebody.get("ct"), currentTime.toString(), ebody.get("ebody"), Integer.parseInt(ebody.get("satisfaction")));
         evaluateService.editEvaluation(evaluation);
@@ -119,7 +109,7 @@ public class EvaluationController {
 //        for (Evaluations evaluation : elist) {
 //            sumOfSatisfaction += evaluation.getSatisfaction();
 //        }
-//        util.printInfo("查询满意度:"+ sumOfSatisfaction);
+//        System.out.println("查询满意度:"+ sumOfSatisfaction);
 //        return Float.toString(sumOfSatisfaction /elist.size());
 //    }
 }
diff --git a/src/后端/src/main/java/com/softegg/freetogo/Evaluate/service/EvaluateServiceImpl.java b/src/后端/src/main/java/com/softegg/freetogo/Evaluate/service/EvaluateServiceImpl.java
index b8d1099..ac3f622 100644
--- a/src/后端/src/main/java/com/softegg/freetogo/Evaluate/service/EvaluateServiceImpl.java
+++ b/src/后端/src/main/java/com/softegg/freetogo/Evaluate/service/EvaluateServiceImpl.java
@@ -1,6 +1,5 @@
 package com.softegg.freetogo.Evaluate.service;
 
-import com.softegg.freetogo.Debug.utils;
 import com.softegg.freetogo.Evaluate.Dao.EvaluateRepository;
 import com.softegg.freetogo.Evaluate.bean.Evaluations;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -15,7 +14,6 @@ import java.util.List;
  */
 @Component
 public class EvaluateServiceImpl implements EvaluateService {
-    private final static utils util = new utils();
 
     @Autowired
     EvaluateRepository evaluateRepository;
@@ -29,7 +27,7 @@ public class EvaluateServiceImpl implements EvaluateService {
      */
     @Override
     public List<Evaluations> evaluationList() {
-        util.printInfo("查询评论");
+        System.out.println("查询评论");
         return evaluateRepository.findAll();
     }
 
@@ -55,7 +53,7 @@ public class EvaluateServiceImpl implements EvaluateService {
      */
 //    @Override
 //    public List<Evaluations> getEListByPhone(String phone) {
-//        util.printInfo("查询" + phone + "的评论");
+//        System.out.println("查询" + phone + "的评论");
 //        return evaluateRepository.findByEditorPhone(phone);
 //    }
 
@@ -81,7 +79,7 @@ public class EvaluateServiceImpl implements EvaluateService {
     @Override
     public void addEvaluation(Evaluations evaluation) {
         evaluateRepository.save(evaluation);
-        util.printInfo("添加评论:" + evaluation.getEbody());
+        System.out.println("添加评论:" + evaluation.getEbody());
     }
 
     /**
@@ -94,9 +92,9 @@ public class EvaluateServiceImpl implements EvaluateService {
     @Override
     public void editEvaluation(Evaluations evaluation) {
         int eid = evaluation.getEid();
-        util.printInfo("编辑评论:" + eid);
+        System.out.println("编辑评论:" + eid);
         evaluateRepository.save(evaluation);
-        util.printInfo("编辑成功:" + eid);
+        System.out.println("编辑成功:" + eid);
     }
 
     /**
@@ -109,6 +107,6 @@ public class EvaluateServiceImpl implements EvaluateService {
     @Override
     public void deleteEvaluation(int eid) {
         evaluateRepository.deleteById(eid);
-        util.printInfo("删除评论:" + eid);
+        System.out.println("删除评论:" + eid);
     }
 }
diff --git a/src/后端/src/main/java/com/softegg/freetogo/FeedBack/bean.java b/src/后端/src/main/java/com/softegg/freetogo/FeedBack/bean.java
new file mode 100644
index 0000000..aacb79d
--- /dev/null
+++ b/src/后端/src/main/java/com/softegg/freetogo/FeedBack/bean.java
@@ -0,0 +1,9 @@
+package com.softegg.freetogo.FeedBack;
+
+/**
+ * @description:
+ * @author: zhanglinhao
+ * @date: 2024/5/20 11:14
+ */
+public class bean {
+}
diff --git a/src/后端/src/main/java/com/softegg/freetogo/GuideMatch/service/GuideMatchServiceImpl.java b/src/后端/src/main/java/com/softegg/freetogo/GuideMatch/service/GuideMatchServiceImpl.java
index 3847402..ee3e396 100644
--- a/src/后端/src/main/java/com/softegg/freetogo/GuideMatch/service/GuideMatchServiceImpl.java
+++ b/src/后端/src/main/java/com/softegg/freetogo/GuideMatch/service/GuideMatchServiceImpl.java
@@ -43,13 +43,8 @@ public class GuideMatchServiceImpl implements GuideMatchService {
         String guideServiceEndDate = guideService.getEndDate();
         String guideServiceMessage = guideService.getMessage();
         List<Demands> dlist = demandsService.getDemandsByCity(guideService.getCity());
-        Iterator<Demands> iterator = dlist.iterator();
-        while (iterator.hasNext()) {
-            Demands demand = iterator.next();
-            if (demand.getStatus() > 1) {
-                iterator.remove(); // 使用迭代器的 remove 方法
-            }
-        }
+        // 使用迭代器的 remove 方法
+        dlist.removeIf(demand -> demand.getStatus() > 1);
         int length = dlist.size();
         double[] sumScores = new double[length];
         int i = 0;
@@ -71,12 +66,7 @@ public class GuideMatchServiceImpl implements GuideMatchService {
             list.add(new AbstractMap.SimpleEntry<>(sumScores[j], dlist.get(j)));
         }
         // 根据sumScores的元素大小对 list 进行排序
-        list.sort(new Comparator<Map.Entry<Double, Demands>>() {
-            @Override
-            public int compare(Map.Entry<Double, Demands> o1, Map.Entry<Double, Demands> o2) {
-                return o2.getKey().compareTo(o1.getKey());
-            }
-        });
+        list.sort((o1, o2) -> o2.getKey().compareTo(o1.getKey()));
         List<Demands> newdList = new ArrayList<>();
         for (Map.Entry<Double, Demands> entry : list) {
             newdList.add(entry.getValue());
@@ -349,9 +339,6 @@ public class GuideMatchServiceImpl implements GuideMatchService {
             throw new IllegalArgumentException("Invalid input string or n-gram size");
         }
 
-        if (s.isEmpty()) {
-            return new HashSet<>(); // 返回空集合
-        }
 
         Set<String> nGrams = new HashSet<>();
         for (int i = 0; i <= s.length() - n; i++) {
@@ -386,7 +373,7 @@ public class GuideMatchServiceImpl implements GuideMatchService {
      */
     @Override
     public double messageScore(String gmessage, String dmessage){
-        double score = 0;
+        double score;
         double similarity1 = jaccardSimilarity(gmessage, dmessage);
         double similarity2 = cosineSimilarity(gmessage, dmessage);
         double similarity3 = diceCoefficient(gmessage, dmessage);
diff --git a/src/后端/src/main/java/com/softegg/freetogo/GuideService/service/GuideServiceServiceImpl.java b/src/后端/src/main/java/com/softegg/freetogo/GuideService/service/GuideServiceServiceImpl.java
index a3c831f..ec20f59 100644
--- a/src/后端/src/main/java/com/softegg/freetogo/GuideService/service/GuideServiceServiceImpl.java
+++ b/src/后端/src/main/java/com/softegg/freetogo/GuideService/service/GuideServiceServiceImpl.java
@@ -91,13 +91,8 @@ public class GuideServiceServiceImpl implements GuideServiceService {
 
     public List<GuideService>  getGuideServiceByPhone(String phone) {
         List<GuideService> guideServiceList =  GuideServiceRepository.findByPhone(phone);
-        Iterator<GuideService> iterator = guideServiceList.iterator();
-        while (iterator.hasNext()) {
-            GuideService guideService = iterator.next();
-            if (guideService.getStatus() == 4) {
-                iterator.remove(); // 使用迭代器的 remove 方法
-            }
-        }
+        // 使用迭代器的 remove 方法
+        guideServiceList.removeIf(guideService -> guideService.getStatus() == 4);
         return guideServiceList;
     }
 
diff --git a/src/后端/src/main/java/com/softegg/freetogo/Login/controller/LoginController.java b/src/后端/src/main/java/com/softegg/freetogo/Login/controller/LoginController.java
index ff46430..c6a6156 100644
--- a/src/后端/src/main/java/com/softegg/freetogo/Login/controller/LoginController.java
+++ b/src/后端/src/main/java/com/softegg/freetogo/Login/controller/LoginController.java
@@ -1,6 +1,5 @@
 package com.softegg.freetogo.Login.controller;
 
-import com.softegg.freetogo.Debug.utils;
 import com.softegg.freetogo.Login.service.LoginService;
 import com.softegg.freetogo.User.Dao.GuidesRepository;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -9,12 +8,6 @@ import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
-import java.io.BufferedReader;
-import java.io.InputStreamReader;
-import java.net.HttpURLConnection;
-import java.net.URL;
-import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
 /**
@@ -27,8 +20,6 @@ import java.util.Map;
 @RequestMapping("/Login")
 public class LoginController {
 
-    private final static utils util = new utils();
-
     @Autowired
     LoginService loginService;
 
@@ -44,11 +35,11 @@ public class LoginController {
      */
     @PostMapping("login")
     public int Login(@RequestBody Map<String, Object> map) {
-        util.printInfo(map);
-        util.printInfo("phone:" + map.get("phone").toString());
-        util.printInfo("password" + map.get("password").toString());
+        System.out.println(map);
+        System.out.println("phone:" + map.get("phone").toString());
+        System.out.println("password" + map.get("password").toString());
         int tag = loginService.loginAccount(map.get("phone").toString(), map.get("password").toString());
-        util.printInfo("LoginTag:" + tag);
+        System.out.println("LoginTag:" + tag);
         return switch (tag) {
             case 1000 -> 1;//登陆成功
             case 1001 -> 2;//密码或账号错误
@@ -69,42 +60,9 @@ public class LoginController {
      */
     @PostMapping("register")
     public int Register(@RequestBody Map<String, Object> map) {
-
-        try {
-            // 创建URL对象
-//            URL url = new URL("http://localhost:9000/api/authenticate?idc="+ map.get("IDCard") +"&name="+map.get("name")+"&phone="+map.get("phone"));
-            String baseURL = "http://localhost:9000/api/authenticate";
-            String name=URLEncoder.encode(map.get("name").toString(), StandardCharsets.UTF_8);;
-            String phone=URLEncoder.encode(map.get("phone").toString(), StandardCharsets.UTF_8);
-            String idc = URLEncoder.encode(map.get("IDCard").toString(), StandardCharsets.UTF_8);
-            URL url = new URL(baseURL+ "?idc="+idc +"&name="+name+"&phone="+phone);
-            // 打开连接
-            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
-            // 设置请求方法
-            connection.setRequestMethod("GET");
-            // 获取响应码
-            int responseCode = connection.getResponseCode();
-            System.out.println("响应码： " + responseCode);
-            // 读取响应内容
-            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
-            String inputLine;
-            StringBuilder content = new StringBuilder();
-            while ((inputLine = in.readLine()) != null) {
-                content.append(inputLine);
-            }
-            // 关闭连接
-            in.close();
-            connection.disconnect();
-            // 输出响应内容
-            System.out.println("响应内容： " + content);
-            if(content.toString().equals("false"))
-                return 14;
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-        util.printInfo(map);
+        System.out.println(map);
         int tag = loginService.registerAccount((String) map.get("name"), (String) map.get("password"), (String) map.get("phone"), (String) map.get("nickname"), (String) map.get("IDCard"));
-        util.printInfo("RegisterTag:" + tag);
+        System.out.println("RegisterTag:" + tag);
         return switch (tag) {
             case 1003 -> 4;//该账户已经注册
             case 1004 -> 5;//注册成功
diff --git a/src/后端/src/main/java/com/softegg/freetogo/Search/controller/SearchController.java b/src/后端/src/main/java/com/softegg/freetogo/Search/controller/SearchController.java
new file mode 100644
index 0000000..1cf1651
--- /dev/null
+++ b/src/后端/src/main/java/com/softegg/freetogo/Search/controller/SearchController.java
@@ -0,0 +1,4 @@
+package com.softegg.freetogo.Search.controller;
+
+public class SearchController {
+}
diff --git a/src/后端/src/main/java/com/softegg/freetogo/Search/service/SearchService.java b/src/后端/src/main/java/com/softegg/freetogo/Search/service/SearchService.java
new file mode 100644
index 0000000..bf42b4a
--- /dev/null
+++ b/src/后端/src/main/java/com/softegg/freetogo/Search/service/SearchService.java
@@ -0,0 +1,4 @@
+package com.softegg.freetogo.Search.service;
+
+public interface SearchService {
+}
diff --git a/src/后端/src/main/java/com/softegg/freetogo/Search/service/SearchServiceImpl.java b/src/后端/src/main/java/com/softegg/freetogo/Search/service/SearchServiceImpl.java
new file mode 100644
index 0000000..03e8868
--- /dev/null
+++ b/src/后端/src/main/java/com/softegg/freetogo/Search/service/SearchServiceImpl.java
@@ -0,0 +1,4 @@
+package com.softegg.freetogo.Search.service;
+
+public class SearchServiceImpl {
+}
diff --git a/src/后端/src/main/java/com/softegg/freetogo/User/controller/UsersController.java b/src/后端/src/main/java/com/softegg/freetogo/User/controller/UsersController.java
index 9897e18..7f260c4 100644
--- a/src/后端/src/main/java/com/softegg/freetogo/User/controller/UsersController.java
+++ b/src/后端/src/main/java/com/softegg/freetogo/User/controller/UsersController.java
@@ -1,6 +1,5 @@
 package com.softegg.freetogo.User.controller;
 
-import com.softegg.freetogo.Debug.utils;
 import com.softegg.freetogo.User.bean.Guides;
 import com.softegg.freetogo.User.bean.Users;
 import com.softegg.freetogo.User.service.GuidesService;
@@ -20,7 +19,6 @@ import java.util.Map;
 //@CrossOrigin(origins = "*")
 @RequestMapping("/users")
 public class UsersController {
-    private final static utils util = new utils();
     @Autowired
     UsersService usersService;
     @Autowired
@@ -35,7 +33,7 @@ public class UsersController {
      */
     @GetMapping("findAll")
     public List<Users> findAll() {
-        util.printInfo("响应查找所有数据");
+        System.out.println("响应查找所有数据");
         return usersService.findAll();
     }
 
@@ -58,7 +56,7 @@ public class UsersController {
                       int status) {
         Users user = new Users(name, email, password, createtime, reputation, phone, nickname, IDCard, gender, type, status);
         usersService.add(user);
-        util.printInfo("添加用户");
+        System.out.println("添加用户");
         return "添加成功";
     }
 
@@ -72,7 +70,7 @@ public class UsersController {
     @GetMapping("delbyid")
     public String delById(int id) {
         usersService.deleteById(id);
-        util.printInfo("通过id删除用户");
+        System.out.println("通过id删除用户");
         return "删除成功";
     }
 
@@ -85,7 +83,7 @@ public class UsersController {
      */
     @GetMapping("findbyid")
     public Users getUserById(int id) {
-        util.printInfo("通过id获取用户数据");
+        System.out.println("通过id获取用户数据");
         return usersService.getUserById(id);
     }
 
@@ -107,10 +105,10 @@ public class UsersController {
                          boolean type,
                          int status) {
         Users User = usersService.getUserByPhone(phone);
-        util.printInfo(User);
+        System.out.println(User);
         setUsers(name, email, password, createtime, reputation, phone, nickname, IDCard, gender, type, status, User);
         usersService.update(User);
-        util.printInfo("更新用户信息:" + User);
+        System.out.println("更新用户信息:" + User);
         return "更新成功";
     }
 
@@ -121,22 +119,13 @@ public class UsersController {
      * @author: zhanglinhao
      * @date: 2024/5/10 19:45
      */
-    @PostMapping("pupdate")
-    public boolean pupdate(@RequestBody Map<String, Map<String, Object>> user) {
-        Map<String, Object> ubody = user.get("user");
 
-        util.printInfo(ubody);
-//        util.printInfo(ubody.get("uid"));
-        Users User = new Users((int) ubody.get("uid"), (String) ubody.get("name"), (String) ubody.get("email"), (String) ubody.get("password"), (String) ubody.get("createtime"), (String) ubody.get("idcard"), (int) ubody.get("reputation"), (boolean) ubody.get("gender"), (boolean) ubody.get("membertype"), (String) ubody.get("phone"), (String) ubody.get("nickname"), (int) ubody.get("status"));
-        usersService.update(User);
-        return true;
-    }
 
     @PostMapping("Pupdate")
     public boolean Pupdate(@RequestBody Map<String, Users> user) {
         Users ubody = user.get("user");
-        util.printInfo(ubody);
-//        util.printInfo(ubody.get("uid"));
+        System.out.println(ubody);
+//        System.out.println(ubody.get("uid"));
         Users User = new Users(ubody.getUid(), ubody.getName(), ubody.getEmail(), ubody.getPassword(), ubody.getCreatetime(), ubody.getIdcard(), ubody.getReputation(), ubody.isGender(), ubody.isMembertype(), ubody.getPhone(), ubody.getNickname(), ubody.getStatus());
         usersService.update(User);
         return true;
@@ -151,8 +140,8 @@ public class UsersController {
      */
     @GetMapping("getByPhone")
     public Users getByPhone(String phone) {
-        util.printInfo("根据手机号获取用户信息:" + phone);
-        util.printInfo(usersService.getUserByPhone(phone));
+        System.out.println("根据手机号获取用户信息:" + phone);
+        System.out.println(usersService.getUserByPhone(phone));
         return usersService.getUserByPhone(phone);
     }
 
@@ -165,7 +154,7 @@ public class UsersController {
      */
     @GetMapping("isGuide")
     public boolean isGuide(String phone) {
-        util.printInfo("查寻是否是导游:" + phone);
+        System.out.println("查寻是否是导游:" + phone);
         return usersService.isGuide(phone);
     }
 
@@ -178,7 +167,7 @@ public class UsersController {
      */
     @GetMapping("getUid")
     public int getUid(String phone) {
-        util.printInfo("搜索uid使用的电话:" + phone);
+        System.out.println("搜索uid使用的电话:" + phone);
         return usersService.getIdByPhone(phone);
     }
 
@@ -192,9 +181,9 @@ public class UsersController {
      */
 //    @PostMapping("registerToGuide")
 //    public int registerToGuide(@RequestBody Map<String,Map<String,String>> grequesting) {//Map<String, Map<String, Object>> gbody) {
-//        util.printInfo("接收的注册请求:"+grequesting);
+//        System.out.println("接收的注册请求:"+grequesting);
 //        Map<String,String> gbody = grequesting.get("registerToGuide");
-//        util.printInfo("处理后的注册请求:"+gbody);
+//        System.out.println("处理后的注册请求:"+gbody);
 //        Guides guide = new Guides();
 //        guide.setUid(Integer.parseInt(gbody.get("uid")));
 //        guide.setRsd(gbody.get("rsd"));
@@ -208,9 +197,9 @@ public class UsersController {
 //    }
     @PostMapping("registerToGuide")
     public int registerToGuide(@RequestBody Map<String,Guides> grequesting) {//Map<String, Map<String, Object>> gbody) {
-        util.printInfo(grequesting);
+        System.out.println(grequesting);
         Guides guide = grequesting.get("registerToGuide");
-        util.printInfo(guide);
+        System.out.println(guide);
         if(guidesService.registerToGuide(guide))
             return 1;
         else
diff --git a/src/后端/src/main/java/com/softegg/freetogo/User/service/GuidesServiceImpl.java b/src/后端/src/main/java/com/softegg/freetogo/User/service/GuidesServiceImpl.java
index f900c1b..5d1202e 100644
--- a/src/后端/src/main/java/com/softegg/freetogo/User/service/GuidesServiceImpl.java
+++ b/src/后端/src/main/java/com/softegg/freetogo/User/service/GuidesServiceImpl.java
@@ -1,6 +1,5 @@
 package com.softegg.freetogo.User.service;
 
-import com.softegg.freetogo.Debug.utils;
 import com.softegg.freetogo.User.Dao.GuidesRepository;
 import com.softegg.freetogo.User.bean.Guides;
 import com.softegg.freetogo.User.bean.Users;
@@ -14,7 +13,6 @@ import org.springframework.stereotype.Component;
  */
 @Component
 public class GuidesServiceImpl implements GuidesService {
-    private final static utils util = new utils();
     @Autowired
     GuidesRepository guidesRepository;
     @Autowired
@@ -23,7 +21,7 @@ public class GuidesServiceImpl implements GuidesService {
 //    @Override
 //    public void registerToGuide(Guides guide) {
 //        guidesRepository.save(guide);
-//        util.printInfo("成功保存注册导游信息!");
+//        System.out.println("成功保存注册导游信息!");
 //    }
 
     /**
@@ -35,15 +33,15 @@ public class GuidesServiceImpl implements GuidesService {
      */
     @Override
     public boolean registerToGuide(Guides guide) {
-        util.printInfo("注册成为导游id:" + guide.getUid());
+        System.out.println("注册成为导游id:" + guide.getUid());
         Users user = usersService.getUserById(guide.getUid());
         user.setMembertype(true);
         guidesRepository.save(guide);
         if (user.isMembertype()) {
-            util.printInfo("注册成功！");
+            System.out.println("注册成功！");
             return true;
         }else{
-            util.printInfo("注册失败！");
+            System.out.println("注册失败！");
             return false;
         }
 
diff --git a/src/后端/src/main/java/com/softegg/freetogo/User/service/UserServiceImpl.java b/src/后端/src/main/java/com/softegg/freetogo/User/service/UserServiceImpl.java
index e3c8c95..86b054e 100644
--- a/src/后端/src/main/java/com/softegg/freetogo/User/service/UserServiceImpl.java
+++ b/src/后端/src/main/java/com/softegg/freetogo/User/service/UserServiceImpl.java
@@ -1,6 +1,5 @@
 package com.softegg.freetogo.User.service;
 
-import com.softegg.freetogo.Debug.utils;
 import com.softegg.freetogo.User.Dao.UsersRepository;
 import com.softegg.freetogo.User.bean.Users;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -15,7 +14,6 @@ import java.util.List;
  */
 @Component
 public class UserServiceImpl implements UsersService {
-    private final static utils util = new utils();
     @Autowired
     private UsersRepository usersRepository;
 
@@ -27,7 +25,7 @@ public class UserServiceImpl implements UsersService {
      * @date: 2024/5/9 22:52
      */
     public List<Users> findAll() {
-        util.printInfo("查询成功");
+        System.out.println("查询成功");
         return usersRepository.findAll();
     }
 
@@ -40,7 +38,7 @@ public class UserServiceImpl implements UsersService {
      */
     public void add(Users user) {
         usersRepository.save(user);
-        util.printInfo("添加成功:" + user);
+        System.out.println("添加成功:" + user);
     }
 
     /**
@@ -52,7 +50,7 @@ public class UserServiceImpl implements UsersService {
      */
     public void deleteById(int id) {
         usersRepository.deleteById(id);
-        util.printInfo("删除成功:" + id);
+        System.out.println("删除成功:" + id);
     }
 
     /**
@@ -75,7 +73,7 @@ public class UserServiceImpl implements UsersService {
      */
     public void update(Users user) {
         usersRepository.save(user);
-        util.printInfo("更新成功:");
+        System.out.println("更新成功:");
         showInfo(user);
     }
 
@@ -88,12 +86,12 @@ public class UserServiceImpl implements UsersService {
      */
     public boolean isRegister(String phone) {
         Users users = usersRepository.findByPhone(phone);
-        util.printInfo("正在验证用户是否注册:" + users);
+        System.out.println("正在验证用户是否注册:" + users);
         if (users == null) {
-            util.printInfo("用户未注册");
+            System.out.println("用户未注册");
             return false;
         } else {
-            util.printInfo("用户已注册");
+            System.out.println("用户已注册");
             return true;
         }
     }
@@ -106,7 +104,7 @@ public class UserServiceImpl implements UsersService {
      * @date: 2024/5/9 22:55
      */
     public Users getUserByPhone(String phone) {
-        util.printInfo("通过手机号查找用户:" + phone);
+        System.out.println("通过手机号查找用户:" + phone);
         return usersRepository.findByPhone(phone);
     }
 
@@ -119,13 +117,13 @@ public class UserServiceImpl implements UsersService {
      */
     @Override
     public boolean isGuide(String phone) {
-        util.printInfo("判断是不是导游:" + phone);
+        System.out.println("判断是不是导游:" + phone);
         Users user = getUserByPhone(phone);
         if (user.isMembertype()) {
-            util.printInfo("是导游:" + phone);
+            System.out.println("是导游:" + phone);
             return true;
         } else {
-            util.printInfo("不是导游:" + phone);
+            System.out.println("不是导游:" + phone);
             return false;
         }
     }
@@ -141,10 +139,10 @@ public class UserServiceImpl implements UsersService {
     public int getIdByPhone(String phone) {
         Users user = usersRepository.findByPhone(phone);
         if (user == null) {
-            util.printInfo("该电话号码未注册");
+            System.out.println("该电话号码未注册");
             return -1;
         } else {
-            util.printInfo("查询到的id:" + user.getUid());
+            System.out.println("查询到的id:" + user.getUid());
             return user.getUid();
         }
     }
@@ -156,16 +154,16 @@ public class UserServiceImpl implements UsersService {
      */
     @Override
     public void showInfo(Users user) {
-        util.printInfo(user.getUid());
-        util.printInfo(user.getName());
-        util.printInfo(user.getPhone());
-        util.printInfo(user.getPassword());
-        util.printInfo(user.getNickname());
-        util.printInfo(user.getCreatetime());
-        util.printInfo(user.getIdcard());
-        util.printInfo(user.getReputation());
-        util.printInfo(user.getStatus());
-        util.printInfo(user.isGender());
-        util.printInfo(user.isMembertype());
+        System.out.println(user.getUid());
+        System.out.println(user.getName());
+        System.out.println(user.getPhone());
+        System.out.println(user.getPassword());
+        System.out.println(user.getNickname());
+        System.out.println(user.getCreatetime());
+        System.out.println(user.getIdcard());
+        System.out.println(user.getReputation());
+        System.out.println(user.getStatus());
+        System.out.println(user.isGender());
+        System.out.println(user.isMembertype());
     }
 }
diff --git a/src/后端/src/main/java/com/softegg/freetogo/helloController.java b/src/后端/src/main/java/com/softegg/freetogo/helloController.java
new file mode 100644
index 0000000..15947c5
--- /dev/null
+++ b/src/后端/src/main/java/com/softegg/freetogo/helloController.java
@@ -0,0 +1,17 @@
+package com.softegg.freetogo;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @description：测试
+ * @author:zhanglinhao
+ * @date:2024/5/7 23:40
+ */
+@RestController
+public class helloController {
+    @GetMapping("/hello")
+    public String hello() {
+        return "hello world!";
+    }
+}