diff --git a/README.md b/README.md
index 443eb404..f3d08b0a 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,8 @@ Github仓库地址：[https://github.com/HimitZH/HOJ](https://github.com/HimitZH
 
 Gitee仓库地址：[https://gitee.com/himitzh0730/hoj](https://gitee.com/himitzh0730/hoj)
 
+**注意：**建议使用Centos8以上或Ubuntu16.04以上的操作系统！！！不然judgeserver可能无法正常启动。
+
 **有任何部署问题或项目bug请发issue或者加QQ群：598587305进行咨询。**
 
 **如果要对本项目进行商业化，请在页面底部的Powered by指向HOJ本仓库地址，顺便点上star收藏本项目对开发者的支持，谢谢。**
diff --git a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/dao/xml/JudgeMapper.xml b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/dao/xml/JudgeMapper.xml
index fc5e8ab4..409be34f 100644
--- a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/dao/xml/JudgeMapper.xml
+++ b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/dao/xml/JudgeMapper.xml
@@ -3,7 +3,7 @@
 <mapper namespace="top.hcode.hoj.dao.JudgeMapper">
     <select id="getCommonJudgeList" resultType="top.hcode.hoj.pojo.vo.JudgeVo" useCache="false">
         select j.uid,j.submit_id,j.submit_time,j.uid,j.username,j.uid,j.pid,j.status,j.share,
-        j.time,j.memory,j.score,j.length,j.language,j.cid,j.cpid,j.judger,p.problem_id as display_pid,p.title
+        j.time,j.memory,j.score,j.oi_rank_score,j.length,j.language,j.cid,j.cpid,j.judger,p.problem_id as display_pid,p.title
         from judge j,problem p
         <where>
             p.id = j.pid AND j.cid = 0 AND j.cpid = 0
diff --git a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/dao/xml/UserRecordMapper.xml b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/dao/xml/UserRecordMapper.xml
index 936c1078..3d5ab3b2 100644
--- a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/dao/xml/UserRecordMapper.xml
+++ b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/dao/xml/UserRecordMapper.xml
@@ -38,7 +38,7 @@
         FROM user_info ui, (
                 SELECT u.uuid AS uid, COALESCE(SUM(s.score),0) AS score
                 FROM user_info u, (
-                        SELECT MAX(score) AS score, uid, pid
+                        SELECT MAX(oi_rank_score) AS score, uid, pid
                         FROM judge
                         WHERE cid=0
                         GROUP BY pid, uid
@@ -74,7 +74,7 @@
 
     <!-- 子查询-->
     <select id="getProblemScore" resultType="java.lang.Integer">
-        SELECT MAX(score) AS sum_score FROM judge
+        SELECT MAX(oi_rank_score) AS sum_score FROM judge
         WHERE uid=#{uid} AND cid=0 AND score IS NOT NULL GROUP BY pid
     </select>
 
diff --git a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/pojo/vo/JudgeVo.java b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/pojo/vo/JudgeVo.java
index 22c680b5..a0c9b992 100644
--- a/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/pojo/vo/JudgeVo.java
+++ b/hoj-springboot/DataBackup/src/main/java/top/hcode/hoj/pojo/vo/JudgeVo.java
@@ -57,6 +57,9 @@ public class JudgeVo {
     @ApiModelProperty(value = "题目得分，ACM题目默认为null")
     private Integer score;
 
+    @ApiModelProperty(value = "该题在OI排行榜的分数")
+    private Integer oiRankScore;
+
     @ApiModelProperty(value = "代码长度")
     private Integer length;
 
diff --git a/hoj-springboot/JudgeServer/src/main/java/top/hcode/hoj/judge/JudgeStrategy.java b/hoj-springboot/JudgeServer/src/main/java/top/hcode/hoj/judge/JudgeStrategy.java
index f5ebfc4f..174d722d 100644
--- a/hoj-springboot/JudgeServer/src/main/java/top/hcode/hoj/judge/JudgeStrategy.java
+++ b/hoj-springboot/JudgeServer/src/main/java/top/hcode/hoj/judge/JudgeStrategy.java
@@ -55,13 +55,13 @@ public class JudgeStrategy {
             // 对用户源代码进行编译 获取tmpfs中的fileId
             userFileId = Compiler.compile(Constants.CompileConfig.getCompilerByLanguage(judge.getLanguage()), judge.getCode(), judge.getLanguage());
             // 测试数据文件所在文件夹
-            String testCasesDir = Constants.JudgeDir.TEST_CASE_DIR.getContent() +File.separator+"problem_" + problem.getId();
+            String testCasesDir = Constants.JudgeDir.TEST_CASE_DIR.getContent() + File.separator + "problem_" + problem.getId();
             // 从文件中加载测试数据json
             JSONObject testCasesInfo = problemTestCaseUtils.loadTestCaseInfo(problem.getId(), testCasesDir, problem.getCaseVersion(), !StringUtils.isEmpty(problem.getSpjCode()));
             JSONArray testcaseList = (JSONArray) testCasesInfo.get("testCases");
             String version = testCasesInfo.getStr("version");
             // 检查是否为spj，同时是否有spj编译完成的文件，若不存在，就先编译生成该spj文件，同时也要检查版本
-            Boolean hasSpjOrNotSpj = checkOrCompileSpj(problem,version);
+            Boolean hasSpjOrNotSpj = checkOrCompileSpj(problem, version);
             // 如果该题为spj，但是没有spj程序
             if (!hasSpjOrNotSpj) {
                 result.put("code", Constants.Judge.STATUS_SYSTEM_ERROR.getStatus());
@@ -133,7 +133,7 @@ public class JudgeStrategy {
     }
 
 
-    public Boolean checkOrCompileSpj(Problem problem,String version) throws CompileError, SystemError {
+    public Boolean checkOrCompileSpj(Problem problem, String version) throws CompileError, SystemError {
         // 如果是需要特判的题目，则需要检测特批程序是否已经编译，否则进行编译
         if (!StringUtils.isEmpty(problem.getSpjCode()) || !problem.getCaseVersion().equals(version)) {
             Constants.CompileConfig spjCompiler = Constants.CompileConfig.getCompilerByLanguage(problem.getSpjLanguage());
@@ -146,7 +146,8 @@ public class JudgeStrategy {
     }
 
     // 获取判题的运行时间，运行空间，OI得分
-    public HashMap<String, Object> computeResultInfo(List<JudgeCase> allTestCaseResultList, Boolean isACM, Integer errorCaseNum, Integer totalScore) {
+    public HashMap<String, Object> computeResultInfo(List<JudgeCase> allTestCaseResultList, Boolean isACM,
+                                                     Integer errorCaseNum, Integer totalScore, Integer problemDiffculty) {
         HashMap<String, Object> result = new HashMap<>();
         // 用时和内存占用保存为多个测试点中最长的
         allTestCaseResultList.stream().max(Comparator.comparing(t -> t.getTime()))
@@ -157,15 +158,20 @@ public class JudgeStrategy {
 
         // OI题目计算得分
         if (!isACM) {
-            // 全对的直接用总分
+            // 全对的直接用总分*0.1+2*题目难度
             if (errorCaseNum == 0) {
+                int oiRankScore = (int) Math.round(totalScore * 0.1 + 2 * problemDiffculty);
                 result.put("score", totalScore);
+                result.put("oiRankScore", oiRankScore);
             } else {
                 int score = 0;
                 for (JudgeCase testcaseResult : allTestCaseResultList) {
                     score += testcaseResult.getScore();
                 }
+                //测试点总得分*0.1+2*题目难度*（测试点总得分/题目总分）
+                int oiRankScore = (int) Math.round(score * 0.1 + 2 * problemDiffculty * (score * 1.0 / totalScore));
                 result.put("score", score);
+                result.put("oiRankScore", oiRankScore);
             }
         }
         return result;
@@ -185,7 +191,7 @@ public class JudgeStrategy {
             Integer time = jsonObject.getLong("time").intValue();
             Integer memory = jsonObject.getLong("memory").intValue();
             Integer status = jsonObject.getInt("status");
-            Long caseId = jsonObject.getLong("caseId",null);
+            Long caseId = jsonObject.getLong("caseId", null);
             String inputFileName = jsonObject.getStr("inputFileName");
             String outputFileName = jsonObject.getStr("outputFileName");
             JudgeCase judgeCase = new JudgeCase();
@@ -218,7 +224,8 @@ public class JudgeStrategy {
         }
 
         // 获取判题的运行时间，运行空间，OI得分
-        HashMap<String, Object> result = computeResultInfo(allCaseResList, isACM, errorTestCaseList.size(), problem.getIoScore());
+        HashMap<String, Object> result = computeResultInfo(allCaseResList, isACM, errorTestCaseList.size(),
+                problem.getIoScore(), problem.getDifficulty());
 
         // 如果该题为ACM类型的题目，多个测试点全部正确则AC，否则取第一个错误的测试点的状态
         // 如果该题为OI类型的题目, 若多个测试点全部正确则AC，若全部错误则取第一个错误测试点状态，否则为部分正确
diff --git a/hoj-springboot/JudgeServer/src/main/java/top/hcode/hoj/service/impl/JudgeServiceImpl.java b/hoj-springboot/JudgeServer/src/main/java/top/hcode/hoj/service/impl/JudgeServiceImpl.java
index 960331df..9c3b020a 100644
--- a/hoj-springboot/JudgeServer/src/main/java/top/hcode/hoj/service/impl/JudgeServiceImpl.java
+++ b/hoj-springboot/JudgeServer/src/main/java/top/hcode/hoj/service/impl/JudgeServiceImpl.java
@@ -74,6 +74,8 @@ public class JudgeServiceImpl extends ServiceImpl<JudgeMapper, Judge> implements
         judge.setTime(Math.min(time, problem.getTimeLimit()));
         // score
         judge.setScore((Integer) judgeResult.getOrDefault("score", null));
+        // oi_rank_score
+        judge.setOiRankScore((Integer) judgeResult.getOrDefault("oiRankScore", null));
 
         return judge;
     }
diff --git a/hoj-springboot/api/src/main/java/top/hcode/hoj/pojo/entity/Judge.java b/hoj-springboot/api/src/main/java/top/hcode/hoj/pojo/entity/Judge.java
index de7ce881..71b5ea1c 100644
--- a/hoj-springboot/api/src/main/java/top/hcode/hoj/pojo/entity/Judge.java
+++ b/hoj-springboot/api/src/main/java/top/hcode/hoj/pojo/entity/Judge.java
@@ -89,6 +89,9 @@ public class Judge implements Serializable {
     @TableField(fill = FieldFill.INSERT)
     private Integer version;
 
+    @TableField(value = "该题在OI排行榜的分数")
+    private Integer oiRankScore;
+
     @TableField(fill = FieldFill.INSERT)
     private Date gmtCreate;
 
diff --git a/hoj-vue/src/i18n/oj/en-US.js b/hoj-vue/src/i18n/oj/en-US.js
index 848fac39..11dd8787 100644
--- a/hoj-vue/src/i18n/oj/en-US.js
+++ b/hoj-vue/src/i18n/oj/en-US.js
@@ -226,6 +226,9 @@ export const m = {
   Enter_Author:'Enter Author',
   Run_ID:'Run ID',
   Problem:'Problem',
+  Problem_Score:'Problem Score',
+  OI_Rank_Score:'OI Rank Score',
+  OI_Rank_Calculation_Rule:'OI Rank Calculation Rule',
 
   // /views/oj/status/SubmissionDetails.vue
   Test_point_details:'Test point details',
diff --git a/hoj-vue/src/i18n/oj/zh-CN.js b/hoj-vue/src/i18n/oj/zh-CN.js
index f6923f40..fbac74f8 100644
--- a/hoj-vue/src/i18n/oj/zh-CN.js
+++ b/hoj-vue/src/i18n/oj/zh-CN.js
@@ -228,6 +228,10 @@ export const m = {
   Enter_Author:'请输入作者',
   Run_ID:'Run ID',
   Problem:'题目',
+  Problem_Score:'OI题目总得分',
+  OI_Rank_Score:'OI排行榜得分',
+  OI_Rank_Calculation_Rule:'OI排行得分计算公式',
+
 
   // /views/oj/status/SubmissionDetails.vue
   Test_point_details:'测试点详情',
diff --git a/hoj-vue/src/views/oj/status/SubmissionDetails.vue b/hoj-vue/src/views/oj/status/SubmissionDetails.vue
index f2cbe32d..ac164ecc 100644
--- a/hoj-vue/src/views/oj/status/SubmissionDetails.vue
+++ b/hoj-vue/src/views/oj/status/SubmissionDetails.vue
@@ -97,7 +97,19 @@
           v-if="isIOProblem"
         >
           <template v-slot="{ row }">
-            <span>{{ row.score }}</span>
+            <el-tooltip placement="top">
+              <div slot="content">
+                {{ $t('m.Problem_Score') }}：{{
+                  row.score != null ? row.score : $t('m.Unknown')
+                }}<br />{{ $t('m.OI_Rank_Score') }}：{{
+                  row.oiRankScore != null ? row.oiRankScore : $t('m.Unknown')
+                }}<br />
+                {{
+                  $t('m.OI_Rank_Calculation_Rule')
+                }}:(score*0.1+diffculty*2)*(ac_testcase/sum_testcase)
+              </div>
+              <span>{{ row.score }}</span>
+            </el-tooltip>
           </template>
         </vxe-table-column>
         <vxe-table-column :title="$t('m.Length')" min-width="80">
diff --git a/hoj-vue/src/views/oj/status/SubmissionList.vue b/hoj-vue/src/views/oj/status/SubmissionList.vue
index 78021bc5..12d73d98 100644
--- a/hoj-vue/src/views/oj/status/SubmissionList.vue
+++ b/hoj-vue/src/views/oj/status/SubmissionList.vue
@@ -159,12 +159,26 @@
           <vxe-table-column field="score" :title="$t('m.Score')" width="64">
             <template v-slot="{ row }">
               <template v-if="row.score != null">
-                <el-tag
-                  effect="plain"
-                  size="medium"
-                  :type="JUDGE_STATUS[row.status]['type']"
-                  >{{ row.score }}</el-tag
-                >
+                <el-tooltip placement="top">
+                  <div slot="content">
+                    {{ $t('m.Problem_Score') }}：{{
+                      row.score != null ? row.score : $t('m.Unknown')
+                    }}<br />{{ $t('m.OI_Rank_Score') }}：{{
+                      row.oiRankScore != null
+                        ? row.oiRankScore
+                        : $t('m.Unknown')
+                    }}<br />
+                    {{
+                      $t('m.OI_Rank_Calculation_Rule')
+                    }}:(score*0.1+diffculty*2)*(ac_testcase/sum_testcase)
+                  </div>
+                  <el-tag
+                    effect="plain"
+                    size="medium"
+                    :type="JUDGE_STATUS[row.status]['type']"
+                    >{{ row.score }}</el-tag
+                  >
+                </el-tooltip>
               </template>
               <template
                 v-else-if="