diff --git a/src/pages/oj/views/problem/Problem.vue b/src/pages/oj/views/problem/Problem.vue
index 56846e8..6dfd80a 100644
--- a/src/pages/oj/views/problem/Problem.vue
+++ b/src/pages/oj/views/problem/Problem.vue
@@ -91,10 +91,11 @@
               </div>
             </template>
             <Button type="warning" icon="edit" :loading="submitting" @click="submitCode"
-                    :disabled="problemSubmitDisabled"
+                    :disabled="problemSubmitDisabled || submitted"
                     class="fl-right">
-              <span v-if="!submitting">Submit</span>
-              <span v-else>Submitting</span>
+              <span v-if="submitting">Submitting</span>
+              <span v-else-if="submitted">Submitted</span>
+              <span v-else>Submit</span>
             </Button>
           </Col>
         </Row>
@@ -228,6 +229,7 @@
         language: 'C++',
         theme: 'solarized',
         submissionId: '',
+        submitted: false,
         result: {
           result: 9
         },
@@ -405,6 +407,7 @@
         const submitFunc = (data, detailsVisible) => {
           this.statusVisible = true
           api.submitCode(data).then(res => {
+            this.submitted = true
             this.submissionId = res.data.data && res.data.data.submission_id
             // 定时检查状态
             this.submitting = false
diff --git a/src/pages/oj/views/submission/SubmissionDetails.vue b/src/pages/oj/views/submission/SubmissionDetails.vue
index 65d4731..43b59d7 100644
--- a/src/pages/oj/views/submission/SubmissionDetails.vue
+++ b/src/pages/oj/views/submission/SubmissionDetails.vue
@@ -1,41 +1,41 @@
 <template>
   <Row type="flex" justify="space-around">
     <Col :span="20" id="status">
-    <Alert :type="status.type" showIcon>
-      <span class="title">{{status.statusName}}</span>
-      <div slot="desc" class="content">
-        <template v-if="isCE">
-          <pre>{{submission.statistic_info.err_info}}</pre>
-        </template>
-        <template v-else>
-          <span>Time: {{submission.statistic_info.time_cost | submissionTime}}</span>
-          <span>Memory: {{submission.statistic_info.memory_cost | submissionMemory}}</span>
-          <span>Lang: {{submission.language}}</span>
-          <span>Author: {{submission.username}}</span>
-        </template>
-      </div>
-    </Alert>
+      <Alert :type="status.type" showIcon>
+        <span class="title">{{status.statusName}}</span>
+        <div slot="desc" class="content">
+          <template v-if="isCE">
+            <pre>{{submission.statistic_info.err_info}}</pre>
+          </template>
+          <template v-else>
+            <span>Time: {{submission.statistic_info.time_cost | submissionTime}}</span>
+            <span>Memory: {{submission.statistic_info.memory_cost | submissionMemory}}</span>
+            <span>Lang: {{submission.language}}</span>
+            <span>Author: {{submission.username}}</span>
+          </template>
+        </div>
+      </Alert>
     </Col>
 
     <!--后台返info就显示出来， 权限控制放后台 -->
     <Col v-if="submission.info && !isCE" :span="20">
-    <Table stripe :loading="loading" :disabled-hover="true" :columns="columns" :data="submission.info.data"></Table>
+      <Table stripe :loading="loading" :disabled-hover="true" :columns="columns" :data="submission.info.data"></Table>
     </Col>
 
     <Col :span="20">
-    <Highlight :code="submission.code" :language="submission.language" :border-color="status.color"></Highlight>
+      <Highlight :code="submission.code" :language="submission.language" :border-color="status.color"></Highlight>
     </Col>
     <Col v-if="submission.can_unshare" :span="20">
-    <div id="share-btn">
-      <Button v-if="submission.shared"
-              type="warning" size="large" @click="shareSubmission(false)">
-        UnShare
-      </Button>
-      <Button v-else
-              type="primary" size="large" @click="shareSubmission(true)">
-        Share
-      </Button>
-    </div>
+      <div id="share-btn">
+        <Button v-if="submission.shared"
+                type="warning" size="large" @click="shareSubmission(false)">
+          UnShare
+        </Button>
+        <Button v-else
+                type="primary" size="large" @click="shareSubmission(true)">
+          Share
+        </Button>
+      </div>
     </Col>
   </Row>
 
@@ -43,7 +43,7 @@
 
 <script>
   import api from '@oj/api'
-  import { JUDGE_STATUS } from '@/utils/constants'
+  import {JUDGE_STATUS} from '@/utils/constants'
   import utils from '@/utils/utils'
   import Highlight from '@/pages/oj/components/Highlight'
 
diff --git a/src/utils/time.js b/src/utils/time.js
index 7df1e44..4dc8a57 100644
--- a/src/utils/time.js
+++ b/src/utils/time.js
@@ -5,7 +5,7 @@ function utcToLocal (utcDt, format = 'YYYY-M-D  HH:mm:ss') {
   return moment.utc(utcDt).local().format(format)
 }
 
-// get duration from startTime to endTime, return like 3 days, 2 hours, one yead ..
+// get duration from startTime to endTime, return like 3 days, 2 hours, one year ..
 function duration (startTime, endTime) {
   let start = moment(startTime)
   let end = moment(endTime)