修改答题样式控制

src/views/exercise_questions/answer/index.vue

@@ -36,7 +36,7 @@
             <span>{{ getExerciseName('cur') }}</span>
           </div>
         </el-popover>
-        <div v-if="!isTeacherAnnotations" class="round primary">
+        <div v-if="!isTeacherAnnotations && !isSubmit" class="round primary">
           <SvgIcon icon-class="hourglass" />{{ secondFormatConversion(time) }}
         </div>
       </div>