diff --git a/modules/contest.js b/modules/contest.js
index 1b36266..611ce07 100644
--- a/modules/contest.js
+++ b/modules/contest.js
@@ -271,7 +271,8 @@ function getDisplayConfig(contest) {
     showOthers: contest.allowedSeeingOthers(),
     showDetailResult: contest.allowedSeeingTestcase(),
     showTestdata: false,
-    inContest: true
+    inContest: true,
+    showRejudge: false
   };
 }
 
@@ -408,7 +409,7 @@ app.get('/contest/submission/:id', async (req, res) => {
         type: 'detail'
       }, syzoj.config.judge_token) : null,
       displayConfig: displayConfig,
-      contest: contest
+      contest: contest,
     });
   } catch (e) {
     syzoj.log(e);
diff --git a/modules/submission.js b/modules/submission.js
index 4b38cfc..83bed92 100644
--- a/modules/submission.js
+++ b/modules/submission.js
@@ -35,6 +35,7 @@ const displayConfig = {
   showTestdata: true,
   showDetailResult: true,
   inContest: false,
+  showRejudge: false
 };
 
 // s is JudgeState
@@ -153,9 +154,7 @@ app.get('/submission/:id', async (req, res) => {
       judge.code = await syzoj.utils.highlight(judge.code, syzoj.config.languages[judge.language].highlight);
     }
 
-    judge.allowedRejudge = await judge.problem.isAllowedEditBy(res.locals.user);
-    judge.allowedManage = await judge.problem.isAllowedManageBy(res.locals.user);
-
+    displayConfig.showRejudge = await judge.problem.isAllowedEditBy(res.locals.user);
     res.render('submission', {
       info: getSubmissionInfo(judge, displayConfig),
       roughResult: getRoughResult(judge, displayConfig),
@@ -166,7 +165,7 @@ app.get('/submission/:id', async (req, res) => {
         type: 'detail',
         displayConfig: displayConfig
       }, syzoj.config.judge_token) : null,
-      displayConfig: displayConfig
+      displayConfig: displayConfig,
     });
   } catch (e) {
     syzoj.log(e);
diff --git a/views/submission.ejs b/views/submission.ejs
index bb4976d..c27f905 100644
--- a/views/submission.ejs
+++ b/views/submission.ejs
@@ -16,10 +16,11 @@
         <th v-if="displayConfig.showCode">代码 / 答案文件</th>
         <th>提交者</th>
         <th>提交时间</th>
+        <th v-if="showRejudge">重新评测</th>
       </tr>
     </thead>
     <tbody>
-      <tr is="submission-item" v-bind:data="roughData" :config="displayConfig"></tr>
+      <tr is="submission-item" v-bind:data="roughData" :config="displayConfig" :showRejudge="showRejudge"></tr>
     </tbody>
   </table>
 
@@ -39,7 +40,7 @@
             <status-label :status="getSubtaskResult(subtask)"></status-label>
           </div>
           <div class="three wide column">得分
-            <span style="font-weight: normal; ">{{ subtask.score }}</span>
+            <span style="font-weight: normal; ">{{ Math.trunc(subtask.score) }}</span>
           </div>
         </div>
       </div>
@@ -157,11 +158,14 @@ const vueApp = new Vue({
     },
     code: <%- JSON.stringify(code) %>,
     detailResult: <%- JSON.stringify(detailResult) %>,
-    displayConfig: displayConfig
+    displayConfig: displayConfig,
   },
   computed: {
     singleSubtask() {
       return this.detailResult.judge.subtasks.length === 1;
+    },
+    showRejudge() {
+      return this.displayConfig.showRejudge && (!this.roughData.running);
     }
   },
   methods: {
@@ -223,6 +227,7 @@ if (token != null) {
         console.log("Delta: " + JSON.stringify(p));
         if (p.from === currentVersion) {
           currentVersion = p.to;
+          console.log("Before patching: " + JSON.stringify(vueApp));
           jsondiffpatch.patch(vueApp.detailResult, p.delta);
         } else { // Some packets are dropped. Let's reset.
           socket.close();
diff --git a/views/submissions.ejs b/views/submissions.ejs
index c58df40..fc0ed3b 100644
--- a/views/submissions.ejs
+++ b/views/submissions.ejs
@@ -95,7 +95,7 @@
       </tr>
     </thead>
     <tbody>
-      <tr v-for="item in items" :config="displayConfig" :data="item" is='submission-item'>
+      <tr v-for="item in items" :config="displayConfig" :showRejudge="false" :data="item" is='submission-item'>
       </tr>
     </tbody>
   </table>
diff --git a/views/submissions_item.ejs b/views/submissions_item.ejs
index b73e903..4a46370 100644
--- a/views/submissions_item.ejs
+++ b/views/submissions_item.ejs
@@ -14,7 +14,7 @@ const userUrl = <%- JSON.stringify(syzoj.utils.makeUrl(['user', 'VanDarkholme'])
 
 Vue.component('submission-item', {
   template: '#submissionItemTemplate',
-  props: ['data', 'config'],
+  props: ['data', 'config', 'showRejudge'],
   computed: {
     statusString() {
       const data = this.data;
@@ -65,5 +65,11 @@ Vue.component('submission-item', {
   <td v-if="config.showCode">{{ data.info.language != null ? data.info.language + ' / ' : '' }}{{ data.info.codeSize }}</td>
   <td><a :href="userLink">{{ data.info.user }}</a></td>
   <td>{{ data.info.submitTime }}</td>
+  <td v-if="showRejudge">
+    <form class="have-csrf" :action="submissionLink + '/rejudge'" method="POST">
+      <input type="hideen" name="_csrf" value="<%= req.csrfToken() %>" />
+      <input type="submit" value="rejudge"><i class="repeat icon"></i></input>
+    </form>
+  </td>
 </tr>
 </script>
\ No newline at end of file