增加Codeforces的题目爬取

2021-03-03 21:22:41 +08:00 · 2021-03-03 21:22:41 +08:00 · 535d10ab6e
parent 1b10850be6
commit 535d10ab6e
30 changed files with 460 additions and 75 deletions
--- a/README.md
+++ b/README.md
@ -81,6 +81,7 @@
 | 2021-02-20 | 测试HDU判题整套流程完成                                      | Himit_ZH        |
 | 2021-02-22 | 修改前端编辑器样式以及md格式转换                             | Himit_ZH        |
 | 2021-02-24 | 完善测试比赛相关接口，验证权限及数据计算                     | Himit_ZH        |
+| 2021-03-03 | 增加Codeforces的题目爬取                                     | Himit_ZH        |

 # 二、系统架构

--- a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/controller/admin/AdminProblemController.java
+++ b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/controller/admin/AdminProblemController.java
@ -13,6 +13,7 @@ import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.StringUtils;
 import org.springframework.web.bind.annotation.*;
 import top.hcode.hoj.common.result.CommonResult;
+import top.hcode.hoj.crawler.problem.ProblemStrategy;
 import top.hcode.hoj.pojo.dto.ProblemDto;
 import top.hcode.hoj.pojo.entity.*;
 import top.hcode.hoj.pojo.vo.UserRolesVo;
@ -41,9 +42,6 @@ public class AdminProblemController {
    @Autowired
    private ProblemCaseServiceImpl problemCaseService;

-    @Autowired
-    private ContestProblemServiceImpl contestProblemService;
-
    @Autowired
    private ToJudgeService toJudgeService;

@ -186,6 +184,7 @@ public class AdminProblemController {
    @GetMapping("/import-remote-oj-problem")
    @RequiresAuthentication
    @RequiresRoles(value = {"root", "admin"}, logical = Logical.OR)
+    @Transactional
    public CommonResult importRemoteOJProblem(@RequestParam("name") String name,
                                              @RequestParam("problemId") String problemId,
                                              HttpServletRequest request) {
@ -200,14 +199,14 @@ public class AdminProblemController {
        HttpSession session = request.getSession();
        UserRolesVo userRolesVo = (UserRolesVo) session.getAttribute("userInfo");
        try {
-            Problem otherOJProblemInfo = problemService.getOtherOJProblemInfo(name.toUpperCase(), problemId, userRolesVo.getUsername());
+            ProblemStrategy.RemoteProblemInfo otherOJProblemInfo = problemService.getOtherOJProblemInfo(name.toUpperCase(), problemId, userRolesVo.getUsername());
            if (otherOJProblemInfo != null) {
                boolean result = problemService.adminAddOtherOJProblem(otherOJProblemInfo, name);
                if (!result) {
                    return CommonResult.errorResponse("导入新题目失败！请重新尝试！");
                }
            } else {
-                return CommonResult.errorResponse("导入新题目失败！原因：获取该OJ的题目数据失败！");
+                return CommonResult.errorResponse("导入新题目失败！原因：获取该OJ的题目数据失败！可能是链接超时！");
            }
        } catch (Exception e) {
            return CommonResult.errorResponse(e.getMessage());
--- a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/controller/oj/ContestController.java
+++ b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/controller/oj/ContestController.java
@ -253,21 +253,27 @@ public class ContestController {
        }

        //查询题目详情，题目标签，题目语言，题目做题情况
+
        Problem problem = problemService.getById(contestProblem.getPid());

-        QueryWrapper<ProblemTag> problemTagQueryWrapper = new QueryWrapper<>();
-        problemTagQueryWrapper.eq("pid", contestProblem.getPid());
-        // 获取该题号对应的标签id
-        List<Long> tidList = new LinkedList<>();
-        problemTagService.list(problemTagQueryWrapper).forEach(problemTag -> {
-            tidList.add(problemTag.getTid());
-        });
        List<String> tagsStr = new LinkedList<>();
-        if (tidList.size() != 0) {
-            tagService.listByIds(tidList).forEach(tag -> {
-                tagsStr.add(tag.getName());
+        // 比赛结束后才开放标签和source
+        if (contest.getStatus().intValue() != Constants.Contest.STATUS_ENDED.getCode()) {
+            problem.setSource(null);
+            QueryWrapper<ProblemTag> problemTagQueryWrapper = new QueryWrapper<>();
+            problemTagQueryWrapper.eq("pid", contestProblem.getPid());
+            // 获取该题号对应的标签id
+            List<Long> tidList = new LinkedList<>();
+            problemTagService.list(problemTagQueryWrapper).forEach(problemTag -> {
+                tidList.add(problemTag.getTid());
            });
+            if (tidList.size() != 0) {
+                tagService.listByIds(tidList).forEach(tag -> {
+                    tagsStr.add(tag.getName());
+                });
+            }
        }
+
        // 获取题目提交的代码支持的语言
        List<String> languagesStr = new LinkedList<>();
        QueryWrapper<ProblemLanguage> problemLanguageQueryWrapper = new QueryWrapper<>();
--- a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/crawler/problem/CFProblemStrategy.java
+++ b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/crawler/problem/CFProblemStrategy.java
@ -0,0 +1,92 @@
+package top.hcode.hoj.crawler.problem;
+
+import cn.hutool.core.util.ReUtil;
+import org.jsoup.Connection;
+import org.jsoup.nodes.Document;
+import org.springframework.util.StringUtils;
+import top.hcode.hoj.pojo.entity.Problem;
+import top.hcode.hoj.pojo.entity.Tag;
+import top.hcode.hoj.utils.JsoupUtils;
+
+import java.util.LinkedList;
+import java.util.List;
+import java.util.regex.Pattern;
+
+/**
+ * @Author: Himit_ZH
+ * @Date: 2021/3/3 15:00
+ * @Description:
+ */
+public class CFProblemStrategy extends ProblemStrategy {
+
+    public static final String JUDGE_NAME = "CF";
+    public static final String HOST = "https://codeforces.com";
+    public static final String PROBLEM_URL = "/problemset/problem/%s/%s";
+
+    @Override
+    public RemoteProblemInfo getProblemInfo(String problemId, String author) throws Exception {
+
+        String contestId = ReUtil.get("([0-9]+)[A-Z]{1}[0-9]{0,1}", problemId, 1);
+        String problemNum = ReUtil.get("[0-9]+([A-Z]{1}[0-9]{0,1})", problemId, 1);
+        if (contestId == null || problemNum == null) {
+            throw new Exception("Codeforces的题号格式错误！");
+        }
+
+        String url = HOST + String.format(PROBLEM_URL, contestId, problemNum);
+        Connection connection = JsoupUtils.getConnectionFromUrl(url, null, null);
+        Document document = JsoupUtils.getDocument(connection, null);
+        String html = document.html();
+
+
+        Problem info = new Problem();
+        info.setProblemId(JUDGE_NAME + "-" + problemId);
+
+        info.setTitle(ReUtil.get("<div class=\"title\">\\s*" + problemNum + "\\. ([\\s\\S]*?)</div>", html, 1).trim());
+
+        info.setTimeLimit(1000 * Integer.parseInt(ReUtil.get("</div>([\\d\\.]+) (seconds?|s)\\s*</div>", html, 1)));
+
+        info.setMemoryLimit(Integer.parseInt(ReUtil.get("</div>(\\d+) (megabytes|MB)\\s*</div>", html, 1)));
+
+        String tmpDesc = ReUtil.get("standard output\\s*</div></div><div>([\\s\\S]*?)</div><div class=\"input-specification",
+                html, 1);
+        if (StringUtils.isEmpty(tmpDesc)) {
+            tmpDesc = ReUtil.get("<div class=\"input-file\">([\\s\\S]*?)</div><div class=\"input-specification", html, 1);
+        }
+
+        info.setDescription(tmpDesc.replaceAll("\\$\\$\\$","\\$").replaceAll("src=\"../../", "src=\"" + HOST + "/"));
+
+        info.setInput(ReUtil.get("<div class=\"section-title\">\\s*Input\\s*</div>([\\s\\S]*?)</div><div class=\"output-specification\">", html, 1).replaceAll("\\$\\$\\$","\\$"));
+
+        info.setOutput(ReUtil.get("<div class=\"section-title\">\\s*Output\\s*</div>([\\s\\S]*?)</div><div class=\"sample-tests\">", html, 1).replaceAll("\\$\\$\\$","\\$"));
+
+        StringBuilder sb = new StringBuilder("<input>");
+        sb.append(ReUtil.get("<div class=\"sample-test\"><div class=\"input\"><div class=\"title\">Input</div><pre>([\\s\\S]*?)</pre></div>", html, 1));
+        sb.append("</input><output>");
+        sb.append(ReUtil.get("<div class=\"output\"><div class=\"title\">Output</div><pre>([\\s\\S]*?)</pre></div></div>", html, 1)).append("</output>");
+        info.setExamples(sb.toString());
+
+        info.setHint(ReUtil.get("<div class=\"section-title\">\\s*Note\\s*</div>([\\s\\S]*?)</div></div>", html, 1).replaceAll("\\$\\$\\$","\\$"));
+        info.setIsRemote(true);
+        info.setSource(String.format("<p>Problem：<a style='color:#1A5CC8' href='https://codeforces.com/problemset/problem/%s/%s'>%s</a></p><p>" +
+                        "Contest：" + ReUtil.get("(<a[^<>]+/contest/\\d+\">.+?</a>)", html, 1).replace("/contest", HOST + "/contest")
+                        .replace("color: black", "color: #009688;") + "</p>",
+                contestId, problemNum, JUDGE_NAME + "-" + problemId));
+
+        info.setType(0)
+                .setAuth(1)
+                .setAuthor(author)
+                .setOpenCaseResult(false)
+                .setIsRemoveEndBlank(false)
+                .setDifficulty(1); // 默认为中等
+
+        List<String> all = ReUtil.findAll(Pattern.compile("<span class=\"tag-box\" style=\"font-size:1\\.2rem;\" title=\"[\\s\\S]*?\">([\\s\\S]*?)</span>"), html, 1);
+
+        List<Tag> tagList = new LinkedList<>();
+        for (String tmp:all){
+            tagList.add(new Tag().setName(tmp.trim()));
+        }
+        return new RemoteProblemInfo().setProblem(info).setTagList(tagList);
+    }
+
+
+}
--- a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/crawler/problem/HDUProblemStrategy.java
+++ b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/crawler/problem/HDUProblemStrategy.java
@ -4,6 +4,7 @@ import cn.hutool.core.util.ReUtil;
 import org.jsoup.Connection;
 import org.jsoup.helper.Validate;
 import org.jsoup.nodes.Document;
+import org.springframework.util.Assert;
 import top.hcode.hoj.pojo.entity.Problem;
 import top.hcode.hoj.utils.JsoupUtils;

@ -24,9 +25,9 @@ public class HDUProblemStrategy extends ProblemStrategy {
     * @throws Exception
     */
    @Override
-    public Problem getProblemInfo(String problemId, String author) throws Exception {
+    public RemoteProblemInfo getProblemInfo(String problemId, String author) throws Exception {
        // 验证题号是否符合规范
-        Validate.isTrue(problemId.matches("[1-9]\\d*"));
+        Assert.isTrue(problemId.matches("[1-9]\\d*"),"HDU题号格式错误！");
        Problem info = new Problem();
        String url = HOST + String.format(PROBLEM_URL, problemId);
        Connection connection = JsoupUtils.getConnectionFromUrl(url, null, null);
@ -52,7 +53,8 @@ public class HDUProblemStrategy extends ProblemStrategy {
                .setAuthor(author)
                .setOpenCaseResult(false)
                .setIsRemoveEndBlank(false)
-                .setDifficulty(0); // 默认为简单
-        return info;
+                .setDifficulty(1); // 默认为简单
+
+        return new RemoteProblemInfo().setProblem(info).setTagList(null);
    }
 }
--- a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/crawler/problem/ProblemContext.java
+++ b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/crawler/problem/ProblemContext.java
@ -18,11 +18,10 @@ public class ProblemContext {
    }

    //上下文接口
-    public Problem getProblemInfo(String problemId, String author) {
-        Problem problem;
+    public ProblemStrategy.RemoteProblemInfo getProblemInfo(String problemId, String author) {
+
        try {
-            problem = problemStrategy.getProblemInfo(problemId, author);
-            return problem;
+            return problemStrategy.getProblemInfo(problemId, author);
        } catch (Exception e) {
            log.error("获取题目详情失败---------------->{}", e.getMessage());
        }
--- a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/crawler/problem/ProblemStrategy.java
+++ b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/crawler/problem/ProblemStrategy.java
@ -1,8 +1,21 @@
 package top.hcode.hoj.crawler.problem;

+import lombok.Data;
+import lombok.experimental.Accessors;
 import top.hcode.hoj.pojo.entity.Problem;
+import top.hcode.hoj.pojo.entity.Tag;
+
+import java.util.List;

 public abstract class ProblemStrategy {

-    public abstract Problem getProblemInfo(String problemId,String author) throws Exception;
+    public abstract RemoteProblemInfo getProblemInfo(String problemId,String author) throws Exception;
+
+    @Data
+    @Accessors(chain = true)
+    public static
+    class RemoteProblemInfo {
+        private Problem problem;
+        private List<Tag> tagList;
+    }
 }
--- a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/service/ProblemService.java
+++ b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/service/ProblemService.java
@ -1,6 +1,7 @@
 package top.hcode.hoj.service;

 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import top.hcode.hoj.crawler.problem.ProblemStrategy;
 import top.hcode.hoj.pojo.dto.ProblemDto;
 import top.hcode.hoj.pojo.vo.ProblemVo;
 import top.hcode.hoj.pojo.entity.Problem;
@ -25,7 +26,7 @@ public interface ProblemService extends IService<Problem> {

    boolean adminAddProblem(ProblemDto problemDto);

-    Problem getOtherOJProblemInfo(String OJName, String problemId, String author) throws Exception;
+    ProblemStrategy.RemoteProblemInfo getOtherOJProblemInfo(String OJName, String problemId, String author) throws Exception;

-    boolean adminAddOtherOJProblem(Problem problem,String OJName);
+    boolean adminAddOtherOJProblem(ProblemStrategy.RemoteProblemInfo remoteProblemInfo,String OJName);
 }
--- a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/service/impl/ProblemServiceImpl.java
+++ b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/service/impl/ProblemServiceImpl.java
@ -9,6 +9,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.StringUtils;
 import top.hcode.hoj.common.result.CommonResult;
+import top.hcode.hoj.crawler.problem.CFProblemStrategy;
 import top.hcode.hoj.crawler.problem.HDUProblemStrategy;
 import top.hcode.hoj.crawler.problem.ProblemContext;
 import top.hcode.hoj.crawler.problem.ProblemStrategy;
@ -377,7 +378,7 @@ public class ProblemServiceImpl extends ServiceImpl<ProblemMapper, Problem> impl
    }

    @Override
-    public Problem getOtherOJProblemInfo(String OJName, String problemId, String author) throws Exception {
+    public ProblemStrategy.RemoteProblemInfo getOtherOJProblemInfo(String OJName, String problemId, String author) throws Exception {

        ProblemStrategy problemStrategy;

@ -385,6 +386,9 @@ public class ProblemServiceImpl extends ServiceImpl<ProblemMapper, Problem> impl
            case "HDU":
                problemStrategy = new HDUProblemStrategy();
                break;
+            case "CF":
+                problemStrategy = new CFProblemStrategy();
+                break;
            default:
                throw new Exception("未知的OJ的名字，暂时不支持！");
        }
@ -394,7 +398,10 @@ public class ProblemServiceImpl extends ServiceImpl<ProblemMapper, Problem> impl
    }

    @Override
-    public boolean adminAddOtherOJProblem(Problem problem, String OJName) {
+    @Transactional
+    public boolean adminAddOtherOJProblem(ProblemStrategy.RemoteProblemInfo remoteProblemInfo, String OJName) {
+
+        Problem problem = remoteProblemInfo.getProblem();
        boolean addProblemResult = problemMapper.insert(problem) == 1;
        // 为新的其它oj题目添加对应的language
        QueryWrapper<Language> languageQueryWrapper = new QueryWrapper<>();
@ -410,16 +417,32 @@ public class ProblemServiceImpl extends ServiceImpl<ProblemMapper, Problem> impl
        // 为新的题目初始化problem_count表
        boolean initProblemCountResult = problemCountService.save(new ProblemCount().setPid(problem.getId()));

-        QueryWrapper<Tag> tagQueryWrapper = new QueryWrapper<>();
-        tagQueryWrapper.eq("name", OJName);
-        Tag OJNameTag = tagService.getOne(tagQueryWrapper, false);
-        if (OJNameTag == null) {
-            OJNameTag = new Tag();
-            OJNameTag.setName(OJName);
-            tagService.saveOrUpdate(OJNameTag);
+        boolean addProblemTagResult = true;
+        List<Tag> addTagList = remoteProblemInfo.getTagList();
+        if (addTagList != null && addTagList.size() > 0) {
+            List<Tag> tagList = tagService.list();
+            // 已存在的tag不进行添加
+            for (Tag hasTag:tagList){
+                addTagList.removeIf(newTag -> newTag.getName().equals(hasTag.getName()));
+            }
+            tagService.saveOrUpdateBatch(addTagList);
+            List<ProblemTag> problemTagList = new LinkedList<>();
+            for (Tag tmp : remoteProblemInfo.getTagList()) {
+                problemTagList.add(new ProblemTag().setTid(tmp.getId()).setPid(problem.getId()));
+            }
+            addProblemTagResult = problemTagService.saveOrUpdateBatch(problemTagList);
+        } else {
+            QueryWrapper<Tag> tagQueryWrapper = new QueryWrapper<>();
+            tagQueryWrapper.eq("name", OJName);
+            Tag OJNameTag = tagService.getOne(tagQueryWrapper, false);
+            if (OJNameTag == null) {
+                OJNameTag = new Tag();
+                OJNameTag.setName(OJName);
+                tagService.saveOrUpdate(OJNameTag);
+            }
+            addProblemTagResult = problemTagService.saveOrUpdate(new ProblemTag().setTid(OJNameTag.getId())
+                    .setPid(problem.getId()));
        }
-        boolean addProblemTagResult = problemTagService.saveOrUpdate(new ProblemTag().setTid(OJNameTag.getId())
-                .setPid(problem.getId()));

        return addProblemResult && addProblemTagResult && addProblemLanguageResult && initProblemCountResult;
    }
--- a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/utils/JsoupUtils.java
+++ b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/utils/JsoupUtils.java
@ -36,8 +36,8 @@ public class JsoupUtils {
        Connection connection = Jsoup.connect(url);
        // 设置用户代理
        connection.userAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36");
-        // 设置超时时间10秒
-        connection.timeout(10000);
+        // 设置超时时间15秒
+        connection.timeout(15000);
        // 设置请求头
        if (headers != null) {
            connection.headers(headers);
--- a/hoj-springboot/DataBackup/src/test/java/top/hcode/hoj/DataBackupApplicationTests.java
+++ b/hoj-springboot/DataBackup/src/test/java/top/hcode/hoj/DataBackupApplicationTests.java
@ -23,6 +23,7 @@ import org.jsoup.nodes.Document;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.util.StringUtils;
 import org.springframework.web.client.RestTemplate;
 import top.hcode.hoj.common.result.CommonResult;
 import top.hcode.hoj.dao.*;
@ -34,6 +35,7 @@ import top.hcode.hoj.pojo.vo.UserRolesVo;
 import top.hcode.hoj.service.UserInfoService;
 import top.hcode.hoj.service.UserRoleService;
 import top.hcode.hoj.service.impl.AnnouncementServiceImpl;
+import top.hcode.hoj.service.impl.LanguageServiceImpl;
 import top.hcode.hoj.service.impl.UserInfoServiceImpl;
 import top.hcode.hoj.service.impl.UserRoleServiceImpl;
 import top.hcode.hoj.utils.Constants;
@ -45,6 +47,7 @@ import java.io.IOException;
 import java.net.*;
 import java.text.MessageFormat;
 import java.util.*;
+import java.util.regex.Pattern;

 /**
 * @Author: Himit_ZH
@ -199,5 +202,106 @@ public class DataBackupApplicationTests {
        System.out.println(info.getOutput());
    }

+    @Test
+    public void Test7() throws IOException {
+        String JUDGE_NAME = "CF";
+        String HOST = "https://codeforces.com";
+        String PROBLEM_URL = "/problemset/problem/%s/%s";
+
+        String problemId = "1491F";
+        String contestId = ReUtil.get("([0-9]+)[A-Z]{1}[0-9]{0,1}", problemId, 1);
+        String problemNum = ReUtil.get("[0-9]+([A-Z]{1}[0-9]{0,1})", problemId, 1);
+
+
+        String url = HOST + String.format(PROBLEM_URL, contestId, problemNum);
+        Connection connection = JsoupUtils.getConnectionFromUrl(url, null, null);
+        Document document = JsoupUtils.getDocument(connection, null);
+        String html = document.html();
+        Problem info = new Problem();
+        info.setProblemId(JUDGE_NAME + "-" + problemId);
+
+        info.setTitle(ReUtil.get("<div class=\"title\">\\s*" + problemNum + "\\. ([\\s\\S]*?)</div>", html, 1).trim());
+
+        info.setTimeLimit(1000 * Integer.parseInt(ReUtil.get("</div>([\\d\\.]+) (seconds?|s)\\s*</div>", html, 1)));
+
+        info.setMemoryLimit(Integer.parseInt(ReUtil.get("</div>(\\d+) (megabytes|MB)\\s*</div>", html, 1)));
+
+        String tmpDesc = ReUtil.get("standard output\\s*</div></div><div>([\\s\\S]*?)</div><div class=\"input-specification",
+                html, 1);
+        if (StringUtils.isEmpty(tmpDesc)) {
+            tmpDesc = "<div>" + ReUtil.get("(<div class=\"input-file\">[\\s\\S]*?)</div><div class=\"input-specification", html, 1);
+        }
+
+        info.setDescription(tmpDesc.replaceAll("src=\"../../", "src=\"" + HOST + "/"));
+
+        info.setInput(ReUtil.get("<div class=\"section-title\">\\s*Input\\s*</div>([\\s\\S]*?)</div><div class=\"output-specification\">", html, 1));
+
+        info.setOutput(ReUtil.get("<div class=\"section-title\">\\s*Output\\s*</div>([\\s\\S]*?)</div><div class=\"sample-tests\">", html, 1));
+
+        StringBuilder sb = new StringBuilder("<input>");
+        sb.append(ReUtil.get("<div class=\"sample-test\"><div class=\"input\"><div class=\"title\">Input</div><pre>([\\s\\S]*?)</pre></div>", html, 1));
+        sb.append("</input><output>");
+        sb.append(ReUtil.get("<div class=\"output\"><div class=\"title\">Output</div><pre>([\\s\\S]*?)</pre></div></div>", html, 1)).append("</output>");
+        info.setExamples(sb.toString());
+
+        info.setHint(ReUtil.get("<div class=\"section-title\">\\s*Note\\s*</div>([\\s\\S]*?)</div></div>", html, 1));
+        info.setIsRemote(true);
+        info.setSource(String.format("<p>Problem：<a style='color:#1A5CC8' href='https://codeforces.com/problemset/problem/%s/%s'>%s</a></p><p>" +
+                        "Contest：" + ReUtil.get("(<a[^<>]+/contest/\\d+\">.+?</a>)", html, 1).replace("/contest", HOST + "/contest")
+                        .replace("color: black", "color: #009688;") + "</p>",
+                contestId, problemNum, JUDGE_NAME + "-" + problemId));
+
+        List<String> all = ReUtil.findAll(Pattern.compile("<span class=\"tag-box\" style=\"font-size:1\\.2rem;\" title=\"[\\s\\S]*?\">([\\s\\S]*?)</span>"), html, 1);
+        for (String tmp : all) {
+            System.out.println(tmp.trim());
+        }
+    }
+
+
+    @Autowired
+    private LanguageServiceImpl languageService;
+
+    @Test
+    public void Test8() throws IOException {
+        LinkedHashMap<String, String> languageList = new LinkedHashMap<>();
+        languageList.put("GNU GCC C11 5.1.0", "text/x-csrc");
+        languageList.put("Clang++17 Diagnostics", "text/x-c++src");
+        languageList.put("GNU G++11 5.1.0", "text/x-c++src");
+        languageList.put("GNU G++14 6.4.0", "text/x-c++src");
+        languageList.put("GNU G++17 7.3.0", "text/x-c++src");
+        languageList.put("Microsoft Visual C++ 2010", "text/x-c++src");
+        languageList.put("Microsoft Visual C++ 2017", "text/x-c++src");
+        languageList.put("C# Mono 5.18", "text/x-csharp");
+        languageList.put("D DMD32 v2.083.1", "text/x-d");
+        languageList.put("Go 1.11.4", "text/x-go");
+        languageList.put("Haskell GHC 8.6.3", "text/x-haskell");
+        languageList.put("Java 1.8.0_162", "text/x-java");
+        languageList.put("Kotlin 1.3.10", "text/x-java");
+        languageList.put("OCaml 4.02.1", "text/x-ocaml");
+        languageList.put("Delphi 7", "text/x-pascal");
+        languageList.put("Free Pascal 3.0.2", "text/x-pascal");
+        languageList.put("PascalABC.NET 3.4.2", "text/x-pascal");
+        languageList.put("Perl 5.20.1", "text/x-perl");
+        languageList.put("PHP 7.2.13", "text/x-php");
+        languageList.put("Python 2.7.15", "text/x-python");
+        languageList.put("Python 3.7.2", "text/x-python");
+        languageList.put("PyPy 2.7 (6.0.0)", "text/x-python");
+        languageList.put("PyPy 3.5 (6.0.0)", "text/x-python");
+        languageList.put("Ruby 2.0.0p645", "text/x-ruby");
+        languageList.put("Rust 1.31.1", "text/x-rustsrc");
+        languageList.put("Scala 2.12.8", "text/x-scala");
+        languageList.put("JavaScript V8 4.8.0", "text/javascript");
+        languageList.put("Node.js 9.4.0", "text/javascript");
+
+        List<Language> languageList1 = new LinkedList<>();
+        for (String key : languageList.keySet()) {
+            String tmp = languageList.get(key);
+            languageList1.add(new Language().setName(key).setDescription(key).setOj("CF").setIsSpj(false).setContentType(tmp));
+
+        }
+        boolean b = languageService.saveOrUpdateBatch(languageList1);
+        System.out.println(b);
+    }
+

 }
--- a/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/controller/admin/AdminProblemController.class
+++ b/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/controller/admin/AdminProblemController.class
--- a/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/controller/oj/ContestController.class
+++ b/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/controller/oj/ContestController.class
--- a/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/crawler/problem/CFProblemStrategy.class
+++ b/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/crawler/problem/CFProblemStrategy.class
--- a/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/crawler/problem/HDUProblemStrategy.class
+++ b/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/crawler/problem/HDUProblemStrategy.class
--- a/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/crawler/problem/ProblemContext.class
+++ b/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/crawler/problem/ProblemContext.class
--- a/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/crawler/problem/ProblemStrategy$RemoteProblemInfo.class
+++ b/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/crawler/problem/ProblemStrategy$RemoteProblemInfo.class
--- a/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/crawler/problem/ProblemStrategy.class
+++ b/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/crawler/problem/ProblemStrategy.class
--- a/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/service/ProblemService.class
+++ b/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/service/ProblemService.class
--- a/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/service/impl/ProblemServiceImpl.class
+++ b/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/service/impl/ProblemServiceImpl.class
--- a/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/utils/JsoupUtils.class
+++ b/hoj-springboot/DataBackup/target/classes/top/hcode/hoj/utils/JsoupUtils.class
--- a/hoj-springboot/DataBackup/target/test-classes/top/hcode/hoj/DataBackupApplicationTests.class
+++ b/hoj-springboot/DataBackup/target/test-classes/top/hcode/hoj/DataBackupApplicationTests.class
--- a/hoj-vue/src/App.vue
+++ b/hoj-vue/src/App.vue
@ -80,8 +80,6 @@ export default {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
-  touch-action: none !important;
-  -ms-touch-action: none;
 }
 body {
  background-color: #eee !important;
@ -282,4 +280,96 @@ a:hover {
 .v-note-wrapper .v-note-panel {
  height: 460px !important;
 }
+
+.tex-formula {
+  font-family: times new roman, sans-serif;
+  vertical-align: middle;
+  margin: 0;
+  border: medium none;
+  position: relative;
+  bottom: 2px;
+}
+
+.tex-span {
+  font-size: 125%;
+  font-family: times new roman, sans-serif;
+  white-space: nowrap;
+}
+
+.tex-font-size-tiny {
+  font-size: 70%;
+}
+
+.tex-font-size-script {
+  font-size: 75%;
+}
+
+.tex-font-size-footnotes {
+  font-size: 85%;
+}
+
+.tex-font-size-small {
+  font-size: 85%;
+}
+
+.tex-font-size-normal {
+  font-size: 100%;
+}
+
+.tex-font-size-large-1 {
+  font-size: 115%;
+}
+
+.tex-font-size-large-2 {
+  font-size: 130%;
+}
+
+.tex-font-size-large-3 {
+  font-size: 145%;
+}
+
+.tex-font-size-huge-1 {
+  font-size: 175%;
+}
+
+.tex-font-size-huge-2 {
+  font-size: 200%;
+}
+
+.tex-font-style-sf {
+  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
+}
+
+.tex-font-style-tt {
+  font-size: 110%;
+  font-family: courier new, monospace;
+}
+
+.tex-font-style-bf {
+  font-weight: bold;
+}
+
+.tex-font-style-it {
+  font-style: italic;
+}
+
+.tex-font-style-sl {
+  font-style: italic;
+}
+
+.tex-font-style-sc {
+  text-transform: uppercase;
+}
+
+.tex-font-style-striked {
+  text-decoration: line-through;
+}
+
+.tex-font-style-underline {
+  text-decoration: underline;
+}
+
+.tex-graphics {
+  display: block;
+}
 </style>
--- a/hoj-vue/src/common/constants.js
+++ b/hoj-vue/src/common/constants.js
@ -141,7 +141,10 @@ export const PROBLEM_LEVEL_RESERVE={

 export const OJ_NAME = 'HOJ'

-export const REMOTE_OJ = ['HDU']
+export const REMOTE_OJ = [
+  {name:'HDU',key:"HDU"},
+  {name:"Codeforces",key:"CF"}
+]

 export const CONTEST_STATUS = {
  'SCHEDULED': -1,
--- a/hoj-vue/src/components/oj/common/CodeMirror.vue
+++ b/hoj-vue/src/components/oj/common/CodeMirror.vue
@ -84,7 +84,16 @@ import 'codemirror/theme/material.css';
 // mode
 import 'codemirror/mode/clike/clike.js';
 import 'codemirror/mode/python/python.js';
-import 'codemirror/mode/pascal/pascal.js';
+import 'codemirror/mode/pascal/pascal.js'; //pascal
+import 'codemirror/mode/go/go.js'; //go
+import 'codemirror/mode/d/d.js'; //d
+import 'codemirror/mode/haskell/haskell.js'; //haskell
+import 'codemirror/mode/mllike/mllike.js'; //OCaml
+import 'codemirror/mode/perl/perl.js'; //perl
+import 'codemirror/mode/php/php.js'; //php
+import 'codemirror/mode/ruby/ruby.js'; //ruby
+import 'codemirror/mode/rust/rust.js'; //rust
+import 'codemirror/mode/javascript/javascript.js'; //javascript

 // active-line.js
 import 'codemirror/addon/selection/active-line.js';
--- a/hoj-vue/src/views/admin/problem/ProblemList.vue
+++ b/hoj-vue/src/views/admin/problem/ProblemList.vue
@ -151,9 +151,9 @@
        <el-form-item label="Remote OJ">
          <el-select v-model="otherOJName" size="small">
            <el-option
-              :label="name"
-              :value="name"
-              v-for="(name, index) in REMOTE_OJ"
+              :label="remoteOj.name"
+              :value="remoteOj.key"
+              v-for="(remoteOj, index) in REMOTE_OJ"
              :key="index"
            ></el-option>
          </el-select>
@ -204,7 +204,7 @@ export default {
      addRemoteOJproblemLoading: false,
      otherOJName: 'HDU',
      otherOJProblemId: '',
-      REMOTE_OJ: [],
+      REMOTE_OJ: {},
    };
  },
  mounted() {
--- a/hoj-vue/src/views/oj/problem/Problem.vue
+++ b/hoj-vue/src/views/oj/problem/Problem.vue
@ -8,7 +8,10 @@
            <div slot="header" class="panel-title">
              <span>{{ problemData.problem.title }}</span
              ><br />
-              <span
+              <span v-if="contestID && !contestEnded"
+                ><el-tag effect="plain" size="small">比赛题目</el-tag></span
+              >
+              <span v-else-if="problemData.tags.length > 0"
                ><el-tag
                  v-for="tag in problemData.tags"
                  :key="tag"
@ -18,6 +21,9 @@
                  >{{ tag }}</el-tag
                ></span
              >
+              <span v-else-if="problemData.tags.length == 0"
+                ><el-tag effect="plain" size="small">暂无标签</el-tag></span
+              >
              <div class="problem-menu">
                <span>
                  <el-link
@ -129,7 +135,7 @@
                </el-card>
              </div>

-              <div v-if="problemData.problem.source">
+              <div v-if="problemData.problem.source && !contestID">
                <p class="title">Source</p>
                <p class="content" v-html="problemData.problem.source"></p>
              </div>
--- a/hoj-vue/src/views/oj/problem/ProblemList.vue
+++ b/hoj-vue/src/views/oj/problem/ProblemList.vue
@ -98,7 +98,7 @@
            min-width="100"
          ></vxe-table-column>

-          <vxe-table-column field="title" title="Title" min-width="250">
+          <vxe-table-column field="title" title="Title" min-width="180">
            <template v-slot="{ row }">
              <a :href="getProblemUri(row.problemId)" class="title-a">{{
                row.title
@ -114,7 +114,7 @@
            </template>
          </vxe-table-column>

-          <vxe-table-column field="tag" title="Tag" min-width="200">
+          <vxe-table-column field="tag" title="Tag" min-width="250">
            <template v-slot="{ row }">
              <span
                class="el-tag el-tag--medium el-tag--light is-hit"
--- a/sqlAndsetting/hoj-data.sql
+++ b/sqlAndsetting/hoj-data.sql
--- a/sqlAndsetting/hoj.sql
+++ b/sqlAndsetting/hoj.sql
@ -31,7 +31,7 @@ CREATE TABLE `announcement` (
  PRIMARY KEY (`id`),
  KEY `uid` (`uid`),
  CONSTRAINT `announcement_ibfk_1` FOREIGN KEY (`uid`) REFERENCES `user_info` (`uuid`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=16 DEFAULT CHARSET=utf8;

 /*Table structure for table `auth` */

@ -97,7 +97,7 @@ CREATE TABLE `contest` (
  PRIMARY KEY (`id`,`uid`),
  KEY `uid` (`uid`),
  CONSTRAINT `contest_ibfk_1` FOREIGN KEY (`uid`) REFERENCES `user_info` (`uuid`) ON DELETE NO ACTION ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=1009 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=1012 DEFAULT CHARSET=utf8;

 /*Table structure for table `contest_announcement` */

@ -114,7 +114,7 @@ CREATE TABLE `contest_announcement` (
  KEY `contest_announcement_ibfk_2` (`aid`),
  CONSTRAINT `contest_announcement_ibfk_1` FOREIGN KEY (`cid`) REFERENCES `contest` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT `contest_announcement_ibfk_2` FOREIGN KEY (`aid`) REFERENCES `announcement` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8;

 /*Table structure for table `contest_explanation` */

@ -152,7 +152,7 @@ CREATE TABLE `contest_problem` (
  KEY `contest_problem_ibfk_2` (`pid`),
  CONSTRAINT `contest_problem_ibfk_1` FOREIGN KEY (`cid`) REFERENCES `contest` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT `contest_problem_ibfk_2` FOREIGN KEY (`pid`) REFERENCES `problem` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=14 DEFAULT CHARSET=utf8;

 /*Table structure for table `contest_record` */

@ -188,7 +188,7 @@ CREATE TABLE `contest_record` (
  CONSTRAINT `contest_record_ibfk_3` FOREIGN KEY (`pid`) REFERENCES `problem` (`id`) ON DELETE NO ACTION ON UPDATE CASCADE,
  CONSTRAINT `contest_record_ibfk_4` FOREIGN KEY (`cpid`) REFERENCES `contest_problem` (`id`) ON DELETE NO ACTION ON UPDATE CASCADE,
  CONSTRAINT `contest_record_ibfk_5` FOREIGN KEY (`submit_id`) REFERENCES `judge` (`submit_id`) ON DELETE NO ACTION ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=19 DEFAULT CHARSET=utf8;

 /*Table structure for table `contest_register` */

@ -206,7 +206,7 @@ CREATE TABLE `contest_register` (
  KEY `contest_register_ibfk_2` (`uid`),
  CONSTRAINT `contest_register_ibfk_1` FOREIGN KEY (`cid`) REFERENCES `contest` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT `contest_register_ibfk_2` FOREIGN KEY (`uid`) REFERENCES `user_info` (`uuid`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=8 DEFAULT CHARSET=utf8;

 /*Table structure for table `contest_score` */

@ -252,6 +252,7 @@ DROP TABLE IF EXISTS `judge`;
 CREATE TABLE `judge` (
  `submit_id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  `pid` bigint(20) unsigned NOT NULL COMMENT '题目id',
+  `display_pid` varchar(255) NOT NULL COMMENT '题目展示id',
  `uid` varchar(32) NOT NULL COMMENT '用户id',
  `username` varchar(255) DEFAULT NULL COMMENT '用户名',
  `submit_time` datetime NOT NULL COMMENT '提交的时间',
@ -271,14 +272,14 @@ CREATE TABLE `judge` (
  `version` int(11) NOT NULL DEFAULT '0' COMMENT '乐观锁',
  `gmt_create` datetime DEFAULT CURRENT_TIMESTAMP,
  `gmt_modified` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-  PRIMARY KEY (`submit_id`,`pid`,`uid`,`cid`),
+  PRIMARY KEY (`submit_id`,`pid`,`display_pid`,`uid`,`cid`),
  KEY `pid` (`pid`),
  KEY `uid` (`uid`),
  KEY `username` (`username`),
  CONSTRAINT `judge_ibfk_1` FOREIGN KEY (`pid`) REFERENCES `problem` (`id`) ON DELETE NO ACTION ON UPDATE CASCADE,
  CONSTRAINT `judge_ibfk_2` FOREIGN KEY (`uid`) REFERENCES `user_info` (`uuid`) ON DELETE NO ACTION ON UPDATE CASCADE,
  CONSTRAINT `judge_ibfk_3` FOREIGN KEY (`username`) REFERENCES `user_info` (`username`) ON DELETE NO ACTION ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=164 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=208 DEFAULT CHARSET=utf8;

 /*Table structure for table `judge_case` */

@ -308,7 +309,7 @@ CREATE TABLE `judge_case` (
  CONSTRAINT `judge_case_ibfk_2` FOREIGN KEY (`pid`) REFERENCES `problem` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT `judge_case_ibfk_3` FOREIGN KEY (`submit_id`) REFERENCES `judge` (`submit_id`) ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT `judge_case_ibfk_4` FOREIGN KEY (`case_id`) REFERENCES `problem_case` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=127 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=201 DEFAULT CHARSET=utf8;

 /*Table structure for table `language` */

@ -322,10 +323,11 @@ CREATE TABLE `language` (
  `compile_command` mediumtext COMMENT '编译指令',
  `template` longtext COMMENT '模板',
  `is_spj` tinyint(1) DEFAULT '0' COMMENT '是否可作为特殊判题的一种语言',
+  `oj` varchar(255) DEFAULT NULL COMMENT '该语言属于哪个oj，自身oj用ME',
  `gmt_create` datetime DEFAULT CURRENT_TIMESTAMP,
  `gmt_modified` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
-) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=40 DEFAULT CHARSET=utf8;

 /*Table structure for table `problem` */

@ -333,6 +335,7 @@ DROP TABLE IF EXISTS `problem`;

 CREATE TABLE `problem` (
  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
+  `problem_id` varchar(255) NOT NULL COMMENT '问题的自定义ID 例如（HOJ-1000）',
  `title` varchar(255) NOT NULL COMMENT '题目',
  `author` varchar(255) DEFAULT '未知' COMMENT '作者',
  `type` int(11) NOT NULL DEFAULT '0' COMMENT '0为ACM,1为OI',
@ -342,8 +345,8 @@ CREATE TABLE `problem` (
  `input` longtext COMMENT '输入描述',
  `output` longtext COMMENT '输出描述',
  `examples` longtext COMMENT '题面样例',
-  `is_remote` tinyint(1) DEFAULT '0' COMMENT '是否为vj判题，为真时source字段为oj名-题号',
-  `source` varchar(255) DEFAULT NULL COMMENT '题目来源（vj判题时例如HDU-1000）',
+  `is_remote` tinyint(1) DEFAULT '0' COMMENT '是否为vj判题',
+  `source` text COMMENT '题目来源',
  `difficulty` int(11) DEFAULT '0' COMMENT '题目难度,0简单，1中等，2困难',
  `hint` longtext COMMENT '备注,提醒',
  `auth` int(11) DEFAULT '1' COMMENT '默认为1公开，2为私有，3为比赛题目',
@ -356,10 +359,10 @@ CREATE TABLE `problem` (
  `case_version` varchar(40) DEFAULT '0' COMMENT '题目测试数据的版本号',
  `gmt_create` datetime DEFAULT CURRENT_TIMESTAMP,
  `gmt_modified` datetime DEFAULT CURRENT_TIMESTAMP,
-  PRIMARY KEY (`id`),
+  PRIMARY KEY (`id`,`problem_id`),
  KEY `author` (`author`),
  CONSTRAINT `problem_ibfk_1` FOREIGN KEY (`author`) REFERENCES `user_info` (`username`) ON DELETE NO ACTION ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=1013 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=1034 DEFAULT CHARSET=utf8;

 /*Table structure for table `problem_case` */

@ -377,7 +380,7 @@ CREATE TABLE `problem_case` (
  PRIMARY KEY (`id`),
  KEY `pid` (`pid`),
  CONSTRAINT `problem_case_ibfk_1` FOREIGN KEY (`pid`) REFERENCES `problem` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=27 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=32 DEFAULT CHARSET=utf8;

 /*Table structure for table `problem_count` */

@ -402,7 +405,7 @@ CREATE TABLE `problem_count` (
  PRIMARY KEY (`id`,`pid`),
  UNIQUE KEY `pid` (`pid`),
  CONSTRAINT `problem_count_ibfk_1` FOREIGN KEY (`pid`) REFERENCES `problem` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=23 DEFAULT CHARSET=utf8;

 /*Table structure for table `problem_language` */

@ -419,7 +422,7 @@ CREATE TABLE `problem_language` (
  KEY `lid` (`lid`),
  CONSTRAINT `problem_language_ibfk_1` FOREIGN KEY (`pid`) REFERENCES `problem` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT `problem_language_ibfk_2` FOREIGN KEY (`lid`) REFERENCES `language` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=46 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=305 DEFAULT CHARSET=utf8;

 /*Table structure for table `problem_tag` */

@ -436,7 +439,7 @@ CREATE TABLE `problem_tag` (
  KEY `tid` (`tid`),
  CONSTRAINT `problem_tag_ibfk_1` FOREIGN KEY (`pid`) REFERENCES `problem` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT `problem_tag_ibfk_2` FOREIGN KEY (`tid`) REFERENCES `tag` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=21 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=34 DEFAULT CHARSET=utf8;

 /*Table structure for table `role` */

@ -483,7 +486,7 @@ CREATE TABLE `session` (
  PRIMARY KEY (`id`),
  KEY `uid` (`uid`),
  CONSTRAINT `session_ibfk_1` FOREIGN KEY (`uid`) REFERENCES `user_info` (`uuid`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=129 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=154 DEFAULT CHARSET=utf8;

 /*Table structure for table `tag` */

@ -495,9 +498,9 @@ CREATE TABLE `tag` (
  `color` varchar(10) DEFAULT NULL COMMENT '标签颜色',
  `gmt_create` datetime DEFAULT CURRENT_TIMESTAMP,
  `gmt_modified` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-  PRIMARY KEY (`id`),
+  PRIMARY KEY (`id`,`name`),
  UNIQUE KEY `name` (`name`)
-) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=26 DEFAULT CHARSET=utf8;

 /*Table structure for table `user_acproblem` */

@ -517,7 +520,7 @@ CREATE TABLE `user_acproblem` (
  CONSTRAINT `user_acproblem_ibfk_1` FOREIGN KEY (`uid`) REFERENCES `user_info` (`uuid`) ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT `user_acproblem_ibfk_2` FOREIGN KEY (`pid`) REFERENCES `problem` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT `user_acproblem_ibfk_3` FOREIGN KEY (`submit_id`) REFERENCES `judge` (`submit_id`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=83 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=96 DEFAULT CHARSET=utf8;

 /*Table structure for table `user_info` */

@ -562,7 +565,7 @@ CREATE TABLE `user_record` (
  PRIMARY KEY (`id`,`uid`),
  KEY `uid` (`uid`),
  CONSTRAINT `user_record_ibfk_1` FOREIGN KEY (`uid`) REFERENCES `user_info` (`uuid`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=291 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=293 DEFAULT CHARSET=utf8;

 /*Table structure for table `user_role` */

@ -579,7 +582,7 @@ CREATE TABLE `user_role` (
  KEY `role_id` (`role_id`) USING BTREE,
  CONSTRAINT `user_role_ibfk_1` FOREIGN KEY (`uid`) REFERENCES `user_info` (`uuid`) ON DELETE CASCADE ON UPDATE CASCADE,
  CONSTRAINT `user_role_ibfk_2` FOREIGN KEY (`role_id`) REFERENCES `role` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB AUTO_INCREMENT=293 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=295 DEFAULT CHARSET=utf8;

 /* Trigger structure for table `contest` */